LSI Network Card U40HVD User Manual

USER’S  
GUIDE  
LSIU40HVD  
PCI to Dual Channel  
SCSI Host Adapter  
Au g u s t 2 0 0 2  
Version 2.2  
®
DB15-000101-02  
 
This document contains proprietary information of LSI Logic Corporation. The  
information contained herein is not to be used by or disclosed to third parties  
without the express written permission of an officer of LSI Logic Corporation.  
LSI Logic products are not intended for use in life-support appliances, devices,  
or systems. Use of any LSI Logic product in such applications without written  
consent of the appropriate LSI Logic officer is prohibited.  
Document DB15-000101-02, Fourth Edition (August 2002)  
This document describes the LSI Logic LSIU40HVD PCI to Dual Channel SCSI  
Host Adapter and will remain the official reference source for all  
revisions/releases of this product until rescinded by an update.  
LSI Logic Corporation reserves the right to make changes to any products herein  
at any time without notice. LSI Logic does not assume any responsibility or  
liability arising out of the application or use of any product described herein,  
except as expressly agreed to in writing by LSI Logic; nor does the purchase or  
use of a product from LSI Logic convey a license under any patent rights,  
copyrights, trademark rights, or any other of the intellectual property rights of  
LSI Logic or third parties.  
Copyright © 1999–2002 by LSI Logic Corporation. All rights reserved.  
TRADEMARK ACKNOWLEDGMENT  
The LSI Logic logo design and SDMS are registered trademarks or trademarks  
of LSI Logic Corporation. All other brand and product names may be trademarks  
of their respective companies.  
DB  
For a current list of our distributors, sales offices, and design resource  
centers, view our web page located at  
iii  
 
iv  
 
Preface  
This book is the primary reference and user’s guide for the LSI Logic  
LSIU40HVD PCI to Dual Channel SCSI Host Adapter. It describes how  
to install and configure the LSIU40HVD in a PCI computer system. Basic  
information on setting up the SCSI bus is also provided.  
LSI Logic Technical Support  
The entire LSI Logic host adapter solution has been designed for ease  
of use. However, if you require additional assistance, please contact the  
LSI Logic Technical Support Hot Line at (719) 533-7230. The hours of  
operation are from 7:30 a.m. to 4:30 p.m. (MST), Monday through Friday.  
Before calling or sending an e-mail, please have the following  
information:  
Which LSI Logic host adapter are you installing?  
What system are you installing into?  
What SCSI devices are you connecting to the bus?  
How is your system configured?  
It is also helpful if you are at your system when you call.  
Organization  
This document has the following chapters and appendixes:  
Chapter 1, Using the LSIU40HVD, defines the interfaces and  
characteristics of the LSIU40HVD.  
Chapter 2, Installing the LSIU40HVD, provides quick and detailed  
installation instructions.  
Preface  
v
 
Chapter 3, Configuring the LSIU40HVD, describes the SCSI BIOS  
Configuration Utility to configure adapter and device settings.  
Appendix A, Technical Specifications, describes the physical and  
operational environments of the LSIU40HVD.  
Appendix B, Glossary Terms and Abbreviations, provides  
definitions of various terminology that is referenced throughout this  
user’s guide.  
Related Publications  
PCI Storage Device Management System SDMS™ 4.0 User’s Guide,  
Order Number S14007.A  
Revision Record  
Revision Date  
Remarks  
1.0  
2.0  
2.1  
2.2  
1/97  
9/98  
12/00  
8/02  
First release.  
Updated Chapter 3 to reflect 4.11 BIOS; new figure for channel switches.  
All product names changed from SYM to LSI.  
Product name changed from LSI22802 to LSIU40HVD.  
vi  
Preface  
 
Contents  
Chapter 1  
Chapter 2  
Chapter 3  
Using the LSIU40HVD  
1.1  
1.2  
1-3  
1.2.1  
1.2.2  
1.2.3  
Board Characteristics  
1.3.1  
1.3.2  
1.3.3  
Installing the LSIU40HVD  
2.1  
2.2  
2.2.1  
2.2.2  
2.2.3  
2.2.5  
Connecting the SCSI Peripherals  
2-6  
2.3  
2.4  
3.1  
3.2  
When to Configure the LSIU40HVD  
3-1  
3-2  
Starting the SCSI BIOS Configuration Utility  
3.2.1  
3.2.2  
Configuration Utility Main Menu  
Utilities Menu  
3-3  
3-7  
3.3  
Exiting the SCSI BIOS Configuration Utility  
3-14  
Contents  
vii  
 
Appendix A  
A-3  
A-4  
A-7  
A.1.1  
A.1.2  
A.1.3  
A.1.4  
A.1.5  
Safety Characteristics  
A.2.1  
A.2.2  
The PCI Interface  
The SCSI Interface  
Appendix B  
Index  
Customer Feedback  
viii  
Contents  
 
x
Contents  
 
Tables  
2.1  
2.2  
2.3  
3.1  
3.2  
A.1  
A.2  
A.3  
A.4  
A.5  
Maximum Power Requirements  
PCI Connector J1 (Front)  
PCI Connector J1 (Back)  
SCSI Connectors J2/J5 and J3/J6  
LED Connector J5/J9  
A-2  
A-5  
A-6  
A-8  
A-9  
Contents  
xi  
 
xii  
Contents  
 
Chapter 1  
Using the LSIU40HVD  
This chapter describes how the LSIU40HVD PCI to Dual Channel SCSI  
topics:  
Section 1.1, “General Description,page 1-1  
Section 1.2, “Features,page 1-2  
Section 1.3, “Interface Descriptions,page 1-3  
1.1 General Description  
The LSI Logic LSIU40HVD provides a SCSI-3, Ultra SCSI interface to  
PCI computer systems. Installing this adapter in your PCI system allows  
connection of SCSI devices over a SCSI bus.  
The dual channel LSIU40HVD provides a 16-bit differential, SCSI  
solution for your computer, using only one PCI slot. This board can  
support both legacy Fast SCSI devices and the newest Ultra SCSI  
devices. It is also backwards compatible with the existing LSI8751D host  
adapter.  
The Storage Device Management System (SDMS™) software operates  
the board. The design of the board does not prevent other software from  
being written and used with it.  
This guide and the PCI Storage Device Management System SDMS 4.0  
User’s Guide, contain product information and installation instructions.  
This information will help you gain the full benefits of the LSIU40HVD.  
LSIU40HVD PCI to Dual Channel SCSI Host Adapter  
1-1  
 
       
1.2 Features  
This section provides a high level overview of the PCI Interface, the SCSI  
Interface, and Board Characteristics for the LSIU40HVD.  
BIOS support for this host adapter is incorporated on the board in an  
8 X 64K Flash BIOS.  
1.2.1 PCI Interface  
The PCI interface includes these features:  
Full 32-bit DMA bus master  
Zero wait-state bus master data bursts  
Universal PCI bus voltage support  
1.2.2 SCSI Interface  
The SCSI interface includes these features:  
Two identical isolated SCSI channels  
16-bit differential  
Automatically enabled active termination  
Two connectors per channel:  
68-pin VHDCI external  
68-pin, right-angle, high density internal with jack blocks  
Fast and Ultra SCSI data transfer capability  
SCSI termination power (TERMPWR) source with autoresetting  
circuit breaker  
SCSI Configured AutoMatically (SCAM)  
Flash Electronically Erasable Programmable Read Only Memory  
(EEPROM) for BIOS storage  
Serial NonVolatile Random Access Memory (NVRAM) on each  
channel for user configuration utility and SCAM information storage  
SCSI activity LED connector for each channel  
1-2  
Using the LSIU40HVD  
 
             
1.2.3 Board Characteristics  
The board characteristics for the LSIU40HVD are:  
PCI board dimensions,  
190 x 96.52 mm (7.50 x 3.80 inches)  
Universal 32-bit card edge connector  
1.3 Interface Descriptions  
This section provides a more detailed explanation about the PCI  
Interface, the SCSI Interface, and Ultra SCSI.  
1.3.1 The PCI Interface  
PCI is a high-speed standard local bus for interfacing a number of I/O  
components to the processor and memory subsystems in a high-end PC.  
The PCI functionality for the LSIU40HVD is contained within the  
LSI53C876 PCI to SCSI I/O Processor chip. The LSI53C876 chip  
connects directly to the PCI bus and generates timing protocol in  
compliance with the PCI specification.  
The PCI interface operates as a 32-bit DMA bus master. The connection  
is made through the edge connector J1 (see Figure 2.1). The signal  
definitions and pin numbers conform to the PCI Local Bus Specification  
Revision 2.1 standard. The LSIU40HVD conforms to the PCI universal  
signaling environment for a 5 V or 3.3 V PCI bus.  
1.3.2 The SCSI Interface  
The SCSI functionality for the LSIU40HVD is contained within the LSI  
Logic LSI53C876. The LSI53C876 chip connects directly to the two SCSI  
buses and generates timing and protocol in compliance with the SCSI  
standard.  
The SCSI interface on the LSIU40HVD operates as a 16-bit,  
synchronous or asynchronous, differential bus, and supports Ultra SCSI  
protocols and 16-bit arbitration. Each interface is made through the  
connectors J2 and J3 (for Channel A), or J5 and J6 (for Channel B).  
Connectors J2 and J5 are 68-pin high-density, right-angle receptacles.  
Interface Descriptions  
1-3  
 
                         
Connectors J3 and J6 are shielded 68-pin VHDCI right-angle receptacles  
that protrude through the back panel bracket. See Figure 2.1 for the  
location of these connectors.  
Differential SCSI active termination is provided on the LSIU40HVD.  
Termination is automatically enabled when only one of the connectors J2  
and J3 (or J5 and J6) is used, or when an 8-bit device is connected to  
the 16-bit J3 or J6 connectors. The LSIU40HVD supplies SCSI bus  
TERMPWR (termination power) through a blocking diode and a  
self-resetting 1.5 A short circuit protection device. An on-board LED  
lights when TERMPWR is off. Separate jumpers for each channel allow  
user override of termination.  
A 40 MHz oscillator is installed on the LSIU40HVD to provide the clock  
frequency to the LSI53C876 chip that is necessary to support Wide Ultra  
SCSI transfers of up to 40 Mbytes/s.  
1.3.3 Ultra SCSI  
The LSIU40HVD has full support for Ultra SCSI as well as supporting  
Fast SCSI simultaneously. Ultra SCSI is an extension of the SCSI-3  
family of standards that expands the bandwidth of the SCSI bus, allowing  
faster synchronous data transfers. Special SCSI cables are specified for  
operation with Ultra SCSI devices, and you must consider the total  
number of devices and the length of your SCSI bus when setting up your  
system. See the section on connecting your SCSI peripherals in  
Chapter 2, "Installing the LSIU40HVD," for a more detailed explanation  
of SCSI bus connections.  
1-4  
Using the LSIU40HVD  
 
               
Chapter 2  
Installing the  
LSIU40HVD  
includes these topics:  
Section 2.1, “Quick Installation Procedure,page 2-1  
Section 2.2, “Detailed Installation Procedure,page 2-3  
Section 2.3, “Setting Interrupts,page 2-22  
Section 2.4, “Completing the Installation,page 2-23  
This section provides quick setup instructions for the experienced  
computer user with prior host adapter installation and SCSI bus setup  
experience. If you prefer more detailed guidance for installing the  
LSIU40HVD, please follow the instructions in Section 2.2, “Detailed  
Installation Procedure.”  
For safe and proper installation, check the user’s manual supplied with  
your computer and perform the following steps.  
Step 1. Ground yourself before removing the host adapter board.  
Remove the LSIU40HVD from the packing and check that it is  
not damaged. An example of this board is shown in Figure 2.1.  
Step 2. Switch off and unplug the system.  
Step 3. Remove the cabinet cover on your computer to access the PCI  
slots.  
LSIU40HVD PCI to Dual Channel SCSI Host Adapter  
2-1  
 
     
Caution:  
Ground yourself by touching a metal surface before han-  
dling boards. Static charges on your body can damage  
electronic components. Handle plug-in boards by the edge.  
Do not touch board components or gold connector con-  
tacts. The use of a static ground strap is recommended.  
Step 4. Locate the slots for PCI plug-in board installation.  
Refer to the user’s manual for your computer to confirm the  
location of the PCI slots. The LSIU40HVD requires a PCI slot  
which allows bus master operation. See Figure 2.2.  
Step 5. Remove the blank panel on the back of the computer aligned  
with the PCI slot you intend to use. Save the bracket screw.  
Step 6. Carefully insert the edge connector J1 (see Figure 2.1) of the  
host adapter into the PCI slot. Make sure the edge connector  
is properly aligned before pressing the board into place. See  
the example shown in Figure 2.2.  
Note:  
You may notice that the components on a PCI host adapter  
face the opposite way from those on other non-PCI adapter  
boards you have in your system. This is correct, and the  
board is keyed to go in only one way.  
Step 7. The bracket around the connectors J3 and J6 (see Figure 2.1)  
should fit where the blank panel was removed. Secure it with  
the bracket screw before making the internal and external SCSI  
bus connections (see Figure 2.2).  
Step 8. If you are connecting any internal SCSI devices, plug a 68-pin  
connector on the end of an internal SCSI ribbon cable into  
connector J2 or J5 (see Figure 2.1). Make certain to match pin  
one on both connectors. Chain the internal devices on this  
cable.  
Step 9. Connect your computer’s LED cable if desired. This is designed  
to drive the front panel LED found on most PC cabinets to  
indicate activity on the SCSI bus.  
Step 10. Replace the cabinet cover as described in the user’s manual for  
your computer.  
Step 11. Make all external SCSI bus connections.  
Remember: The SCSI bus requires proper termination, and no  
duplicate SCSI IDs.  
2-2  
Installing the LSIU40HVD  
 
Step 12. Finally, refer to the PCI Storage Device Management System  
SDMS 4.0 User’s Guide (or the guide for the software that you  
will use) to load the driver software for your particular operating  
system.  
This section provides step-by-step instructions for installing the  
LSIU40HVD, and connecting it to your SCSI peripherals. If you are  
experienced in these tasks, you may prefer to use Section 2.1, “Quick  
Installation Procedure.If you are not confident that you can perform the  
tasks as described here, LSI Logic suggests getting assistance.  
2.2.1 Before You Start  
Before you start, look through the task list below to get an overall idea  
of the steps to perform.  
Open your PC cabinet and select an open PCI slot  
Insert the host adapter  
Connect your SCSI peripherals  
Internal  
External  
Terminate the SCSI bus  
Set the peripheral SCSI IDs  
Make any configuration changes  
Close your PC cabinet  
Install the software  
The SCSI host adapter acts on your computer’s behalf as the host to  
your suite of SCSI peripherals. Each chain of SCSI peripheral devices  
and their host adapter work together, and are referred to as a SCSI bus.  
Each channel on your SCSI host adapter can act as host for up to  
15 peripheral devices, not including the adapter itself.  
Detailed Installation Procedure  
2-3  
 
         
2.2.2 Inserting the Host Adapter  
For safe and proper installation, check the user’s manual supplied with  
your computer and perform the following steps.  
Step 1. Ground yourself before removing the host adapter board.  
Remove the LSIU40HVD from the packing and check that it is  
not damaged. An example of this board is shown in Figure 2.1.  
Step 2. Switch off and unplug power cords for all components in your  
system.  
Step 3. Remove the cabinet cover on your computer to access the PCI  
slots.  
Caution:  
Ground yourself by touching a metal surface before  
removing the cabinet cover. Static charges on your body  
can damage electronic components. Handle plug-in boards  
by the edge; do not touch board components or gold  
connector contacts. The use of a static ground strap is  
recommended.  
Step 4. Locate the slots for PCI plug-in board installation. Refer to the  
user’s manual for your computer to confirm the location of the  
PCI slots. The LSIU40HVD requires a PCI slot which allows  
bus master operation.  
Step 5. Remove the blank panel on the back of the computer aligned  
with the PCI slot you intend to use. Save the bracket screw.  
2-4  
Installing the LSIU40HVD  
 
   
Figure 2.1 Hardware Connections for the LSIU40HVD  
Channel A  
LED Connector  
J4  
Channel B  
68-Pin Internal  
High Density  
SCSI Interface  
J5  
Channel B  
LED Connector  
J7  
Channel A  
68-Pin Internal  
High Density  
SCSI Interface  
J2  
Channel A  
68-pin External  
High Density  
SCSI Interface  
J3  
Channel B  
68-pin External  
High Density  
SCSI Interface  
J6  
LSIU40HVD PCI Bus  
Connector on Mainboard  
J1  
Step 6. Carefully insert the edge connector J1 (see Figure 2.1) of the  
host adapter into the PCI slot. Make sure the edge connector  
is properly engaged before pressing the board into place as  
shown in Figure 2.2. You may notice that the components on a  
PCI host adapter face the opposite way from those on other  
non-PCI adapter boards you have in your system. This is  
correct, and the board is keyed to go in only one way.  
Detailed Installation Procedure  
2-5  
 
     
Figure 2.2 Inserting the Host Adapter  
Bracket Screw  
32-bit slots  
64-bit slots  
Step 7. The bracket around the connectors J3 and J6 (see Figure 2.1)  
should fit where you removed the blank panel. Secure it with  
the bracket screw (see Figure 2.2) before making the internal  
and external SCSI bus connections.  
2.2.3 Connecting the SCSI Peripherals  
SCSI bus connections to the LSIU40HVD inside your computer are made  
with an unshielded, 68-conductor ribbon cable (see Figure 2.3). One side  
of this cable is marked with a color to indicate the pin-1 side. Sometimes  
2-6  
Installing the LSIU40HVD  
 
           
the connectors on this cable are keyed to ensure proper pin-1  
connection.  
All external SCSI bus connections to the LSIU40HVD are made with  
shielded, 68-conductor cables (see Figure 2.3). The connectors on this  
cable are always keyed to ensure proper pin-1 connection.  
Table 2.1 lists the SCSI bus widths and speeds as established by the  
SCSI Trade Association (STA).  
Table 2.1  
SCSI Bus Widths and Speeds  
SCSI Bus Speed  
Maximum Data Rate,  
Mbytes/s  
SCSI Bus  
Width, Bits  
STA Terms  
SCSI-1  
8
8
5
Fast SCSI  
10  
20  
20  
40  
40  
80  
Fast Wide SCSI  
Ultra SCSI  
16  
8
Wide Ultra SCSI  
Ultra2 SCSI  
Wide Ultra2 SCSI  
16  
8
16  
1. Absence of the word Wide means an 8-bit bus width. It is  
acceptable to use the word Narrow to avoid ambiguity.  
Important: Use only cables designed and specified for operation with  
Ultra SCSI devices to make connections to the  
LSIU40HVD.  
Detailed Installation Procedure  
2-7  
 
 
Figure 2.3 SCSI Cables  
SCSI Cables for Internal Connections  
68-pin High Density  
SCSI Cable for External Connections  
68-pin VHDCI  
2.2.3.1  
Making Internal SCSI Bus Connections  
This section provides step-by-step instructions about making internal  
SCSI bus connections:  
Step 1. If you are connecting an internal SCSI device, plug the 68-pin  
connector on one end of a wide internal SCSI ribbon cable into  
the connector J2, or J5 (see Figure 2.4).  
2-8  
Installing the LSIU40HVD  
 
   
Figure 2.4 Internal SCSI Ribbon Cable to Host Adapter  
Connection  
J5  
J2  
Detailed Installation Procedure  
2-9  
 
 
Step 2. Plug the 68-pin connector on the other end of the internal SCSI  
ribbon cable into the SCSI connector on your internal SCSI  
device. An example of this connection is shown in Figure 2.5.  
You must match pin 1 on all connections.  
Figure 2.5 Internal SCSI Ribbon Cable to Internal SCSI Device  
Connection  
2-10  
Installing the LSIU40HVD  
 
 
Step 3. Additional internal SCSI devices are plugged in by using an  
internal SCSI ribbon cable with the required number of  
connectors attached along its length as shown in Figure 2.6.  
An example of this type of chained connection is shown in  
Figure 2.7. Make sure to match pin 1 on all connections.  
Figure 2.6 Connecting Additional Internal SCSI Devices  
Detailed Installation Procedure  
2-11  
 
   
Figure 2.7 Multiple Internal SCSI Devices Chained Together  
2-12  
Installing the LSIU40HVD  
 
 
Step 4. Most PC cabinets are designed with a front panel LED which  
may already be connected to an existing IDE drive. You may  
connect this LED cable to your SCSI host adapter, as shown in  
Figure 2.8. This connection causes the front panel LED to  
indicate activity on the SCSI bus.  
The LED connectors J4 and J7 (see Figure 2.1) are not keyed.  
The orientation of the LED cable does not matter as long as all  
four pins are connected.  
Figure 2.8 SCSI LED Connectors  
J7  
J4  
Some LED cables have only two wires. In this case, place the  
connector on one end or the other of J4 or J7. If the LED does not  
light during SCSI bus activity from this host adapter, you may have  
to rotate the LED cable 180° on J4 or J7.  
See Table A.5 in Appendix A for connector pinout information.  
Detailed Installation Procedure  
2-13  
 
     
2.2.3.2  
Making External SCSI Bus Connections  
This section provides step-by-step instructions about making external  
SCSI bus connections:  
Step 1. To connect external SCSI devices to the LSIU40HVD, plug the  
68-pin VHDCI connector on one end of a shielded external high  
density cable (see Figure 2.3) into the host adapter connector  
J3 or J6 (see Figure 2.1).  
This connector is now bracketed to the back panel of your  
computer. Figure 2.9 shows how this connection is made.  
Figure 2.9 External Cable to Host Adapter  
2-14  
Installing the LSIU40HVD  
 
   
Step 2. Plug the 68-pin connector on the other end of the shielded  
external SCSI cable into the SCSI connector on the external  
SCSI device. An example of this connection is shown in  
Figure 2.10.  
Figure 2.10 External Cable to External SSI Device  
Detailed Installation Procedure  
2-15  
 
 
Step 3. To connect more than one external SCSI device to the host  
adapter, you must chain them together with shielded external  
SCSI cables. An example of these chained connections is  
shown in Figure 2.11.  
Figure 2.11 Multiple External SCSI Devices Chained Together  
2.2.4 SCSI Bus Termination  
The devices making up the SCSI bus are connected serially (chained  
together) with SCSI cables. The first and last physical SCSI devices  
connected on the ends of the SCSI bus must have a set of resistors  
called terminators. All other SCSI devices on the bus must have their  
terminators removed or disabled.  
2-16  
Installing the LSIU40HVD  
 
         
Remember: The LSIU40HVD is also on the SCSI bus; its termination is  
automatically enabled when it is connected to the end of  
the bus.  
Differential peripheral devices are normally terminated with external  
terminators, but are sometimes set with jumpers or with a switch on the  
peripheral. Refer to the peripheral manufacturer’s instructions and to the  
user’s manual for your computer for information on how to identify the  
terminator setting of each device and how to change it.  
Caution:  
The auto-enable/disable sensing feature on the  
LSIU40HVD may enable termination erroneously if it is  
directly cabled to another SCSI device or host adapter  
using the same sensing method. The LSIU40HVD senses  
SCSI devices by detecting the ground signal on conductor  
50 of a 68-conductor SCSI cable. If you use an adapter to  
connect 8-bit devices externally with a 50-conductor SCSI  
cable, the ground signal is detected on conductor 34.  
The LSIU40HVD automatically covers SCSI bus termination for three  
different bus configurations, depending on your use of the connectors on  
the LSIU40HVD (see Figure 2.1). The three bus configurations are:  
only for internal SCSI connections  
only for external SCSI connections  
for both internal and external SCSI connections  
Termination on the LSIU40HVD for these three different bus  
configurations is discussed below.  
2.2.4.1  
Internal SCSI Connections  
If internal SCSI device connections to the host adapter have been made,  
you must terminate the last internal device on the SCSI bus. You must  
disable the termination on all other devices. Termination on the host  
adapter is automatically enabled in this case.  
Figure 2.12 shows an example of how termination is determined for this  
SCSI bus configuration.  
Detailed Installation Procedure  
2-17  
 
   
Figure 2.12 Internal SCSI Device Termination  
2.2.4.2  
External SCSI Connections  
If external SCSI device connections to the host adapter have been made,  
you must terminate the last external device on the SCSI bus. You must  
disable the termination on all other devices. Termination on the host  
adapter is automatically enabled in this case.  
Figure 2.13 shows an example of how termination is determined for this  
SCSI bus configuration on the LSIU40HVD Channel B.  
2-18  
Installing the LSIU40HVD  
 
 
Figure 2.13 External SCSI Device Termination  
Last Device  
on Chain -  
Termination  
Enabled  
Does Not  
End Chain -  
Termination  
Disabled  
Host Adapter  
Automatically  
Terminated  
2.2.4.3  
Internal and External SCSI Connections  
If internal and external SCSI device connections to the host adapter have  
been made, you must terminate the last internal and external devices on  
the SCSI bus. You must disable the termination on all other devices.  
Termination on the host adapter is automatically disabled in this case.  
Figure 2.14 shows an example of how termination is determined for this  
SCSI bus configuration on the LSIU40HVD Channel B.  
Detailed Installation Procedure  
2-19  
 
 
Figure 2.14 Internal and External SCSI Device Termination  
Last Device  
on Chain -  
Termination  
Enabled  
Host Adapter  
Termination  
Automatically  
Disabled  
Does Not  
End Chain -  
Termination  
Disabled  
Last Device  
on Chain -  
Termination  
Enabled  
2-20  
Installing the LSIU40HVD  
 
 
2.2.4.4  
Internal SCSI Connections for both Internal Connectors  
If internal SCSI device connection to another LSIU40HVD has been  
made, or any connection to a device that uses the same sensing method  
for automatic termination as your LSIU40HVD, you must properly set the  
termination override jumpers TP2, TP3, TP5, or TP6 (see Figure A.1).  
When connecting another LSIU40HVD, or other device that uses the  
same termination sensing scheme, you must connect the jumper to both  
pins on the TP for the connector used. For example, if another  
LSIU40HVD is attached to J3, place the jumper on both stake pins of  
TP3.  
2.2.5 Setting SCSI IDs  
You must set each SCSI device and the host adapter to a separate SCSI  
ID, 0 through 15. SCSI ID 7 is the preset host adapter setting, giving it  
the highest priority on the SCSI bus. If you plan to boot your computer  
from a SCSI hard disk drive on the SCSI bus, that drive should have  
SCSI ID 0, or the lowest SCSI ID on the bus. Chapter 3, “Configuring the  
LSIU40HVD,explains how to set your host adapter ID using the  
LSI Logic SCSI BIOS Configuration Utility.  
The peripheral device SCSI IDs are usually set with jumpers or with a  
switch on the peripheral. Refer to the peripheral manufacturer’s  
instructions and to the user’s manual for your computer to determine the  
ID of each device and how to change it. You must have no duplication of  
SCSI IDs on a SCSI bus.  
Step 1. Determine the SCSI ID of each device on the SCSI bus. Note  
any duplications.  
Step 2. Make any necessary changes to the SCSI IDs and record the  
IDs for future reference. Table 2.2 is provided as a place to  
keep this record.  
Detailed Installation Procedure  
2-21  
 
             
Table 2.2  
SCSI ID Record  
SCSI ID  
SCSI Device  
15  
14  
13  
11  
10  
9
8
7
LSIU40HVD (default)  
6
5
4
3
2
1
0
2.3 Setting Interrupts  
Normally, you do not change the default interrupt routing for the  
LSIU40HVD, since performance is usually increased by having two  
separate interrupts. However, if your system does not support two  
2-22  
Installing the LSIU40HVD  
 
       
separate interrupts, jumper TP1 (see Figure A.1) is provided to change  
the interrupt routing. The following table explains the jumper settings:  
Table 2.3  
Setting Jumpers  
Jumper Setting  
Condition  
Jumper Out (default)  
Jumper In  
INTB/ is routed to INTB/ on the PCI bus  
INTB/ is rerouted at power up to INTA/ on the PCI bus  
2.4 Completing the Installation  
Before replacing the cover on your computer, review this installation  
procedure check list. This can save you effort later.  
Verify Installation Procedures  
Done  
Host adapter connection in PCI bus slot secure  
Internal SCSI bus connections secure (pin-1 continuity)  
External SCSI bus connections secure  
Proper SCSI bus termination established  
Unique SCSI IDs set and recorded for each device  
Step 1. Replace the cabinet cover on your computer.  
Step 2. Plug in all power cords, and switch on power to all devices and  
your computer.  
Step 3. Wait for your computer to boot up.  
Step 4. To change the configuration of the LSIU40HVD, see Chapter 3,  
“Configuring the LSIU40HVD.”  
Step 5. Finally, refer to the PCI Storage Device Management System  
SDMS 4.0 User’s Guide (or the guide for the software you plan  
to use) to load the driver software for your particular operating  
system.  
Completing the Installation  
2-23  
 
           
2-24  
Installing the LSIU40HVD  
 
Chapter 3  
Configuring the  
LSIU40HVD  
includes these topics:  
Section 3.1, “When to Configure the LSIU40HVD,page 3-1  
Section 3.2, “Starting the SCSI BIOS Configuration Utility,” page 3-2  
Section 3.3, “Exiting the SCSI BIOS Configuration Utility,” page 3-14  
3.1 When to Configure the LSIU40HVD  
In most cases, changing the default configuration of the host adapter is  
not necessary. If a conflict does exist between device settings, or if a  
need exists to optimize system performance, this Configuration Utility  
provides the means to change system configurations.  
The configuration settings that may be changed are discussed in  
Table 3.1. The global settings affect the host adapter and all SCSI  
devices which are connected to it. The device settings affect only  
individual SCSI devices.  
Table 3.1  
Global Default Settings  
Settings for the Host Adapter and All Devices  
Default Settings  
1
SCAM Support  
Off  
Parity Checking  
Enabled  
Host Adapter SCSI ID  
7
Scan Order  
Low to High (0–Max)  
1. Applies to BIOS version 4.09 and later.  
LSIU40HVD PCI to Dual Channel SCSI Host Adapter  
3-1  
 
           
Table 3.2  
Device Default Settings  
Settings for Individual SCSI Devices  
Default Settings  
Synchronous Transfer Rate (Mbytes/s)  
Data Width  
40  
16  
Disconnect  
On  
10  
Read/Write I/O Time-out (seconds)  
Scan for Devices at Boot Time  
Scan for SCSI Logical Units (LUNs)  
Queue Tags  
Yes  
Yes  
On  
3.2 Starting the SCSI BIOS Configuration Utility  
If you have SCSI BIOS version 4.0 and later, and it includes the  
LSI Logic SCSI BIOS Configuration Utility, the default configuration of the  
SCSI host adapter(s) can be changed. If a conflict does exist between  
device settings or if optimizing system performance is necessary, then  
use this Configuration Utility.  
The version number of the SCSI BIOS appears in a banner displayed on  
your computer monitor during boot. If the Configuration Utility is  
available, the following message also appears on your monitor:  
Press Ctrl-C to start LSI Logic Configuration Utility...  
This message remains on your screen for about five seconds, giving you  
time to start the utility. If you decide to press Control C the message  
changes to:  
Please wait, invoking LSI Logic Configuration Utility...  
After a brief pause, your computer monitor displays the Main Menu of the  
LSI Logic SCSI BIOS Configuration Utility.  
NVRAM is available on this LSI Logic LSIU40HVD. Changes can be  
made and stored to NVRAM using this menu driven utility.  
3-2  
Configuring the LSIU40HVD  
 
           
Important: This SCSI BIOS Configuration Utility is a powerful tool. If,  
while using it, you somehow disable all of your controllers,  
pressing Control A(or Control Eon version 4.04 or later)  
after memory initialization during reboot allows you to  
re-enable and reconfigure.  
Not all devices detected by the Configuration Utility can be  
controlled by the BIOS. Devices such as tape drives and  
scanners require that a device driver specific to that  
peripheral be loaded. The device manufacturer provides the  
device drivers.  
3.2.1 Configuration Utility Main Menu  
When you start the LSI Logic SCSI BIOS Configuration Utility, the Main  
Menu appears. This menu displays a list of up to four LSI Logic PCI to  
SCSI host adapters in your system and information about each of them.  
The LSIU40HVD appears on the menu as two LSI53C875 entries; one  
for each channel. To select an adapter, use only the arrow keys and the  
enter key. Then, you can view and/or change the current settings for that  
adapter and the SCSI devices attached to it.  
You can select an adapter only if Current Status is on. Changes are  
possible only if NVRAM is present on your adapter.  
Figure 3.1 is an example of the Main Menu.  
Starting the SCSI BIOS Configuration Utility  
3-3  
 
     
Figure 3.1 Main Menu  
Main Menu  
Port Irq----------Status-----------NVRAM  
Num  
Level Current  
Next-Boot Found  
LSI53C875  
LSI53C875  
LSI53C895  
FC00 9  
F800 9  
F801 9  
On  
On  
On  
On  
Off  
Off  
Yes  
Yes  
Yes  
Change Adapter Status  
Adapter Boot Order  
Additional Adapter Configuration  
Display Mode = Verbose  
Mono/Color  
Language  
Help  
Quit  
Below the list of host adapters on the Main Menu display, you see eight  
options. They are described in detail below. If these settings are altered,  
the system will reboot after the Quit option is selected, which allows the  
user to exit from the Configuration Utility.  
3.2.1.1  
Change Adapter Status  
The change adapter status allows the user to activate or deactivate a  
host adapter and all SCSI devices attached to it. When this option is  
used to make a change, the change takes place after a reboot upon exit  
from the utility.  
Figure 3.2 is an example of the Change Status on Next Boot Menu.  
3-4  
Configuring the LSIU40HVD  
 
       
Figure 3.2 Change Status on Next Boot Menu  
Main Menu  
Change Status on Next Boot:  
Port Irq----------Status-----------NVRAM  
Num  
Level Current  
Next-Boot Found  
LSI53C875  
LSI53C875  
LSI53C895  
FC00  
F800  
F801  
9
9
9
On  
On  
On  
On  
Off  
Off  
Yes  
Yes  
Yes  
To change an adapter's status, select it and press Enter. Press the  
Escape (Esc) key to exit from this menu.  
3.2.1.2  
Adapter Boot Order  
The adapter boot order allows the user to set the order in which host  
adapters will boot when you have more than one LSI Logic host adapter  
in your system. When this option is selected, the Boot Order menu  
appears.  
Figure 3.3 is an example of the Boot Order Menu.  
Figure 3.3 Boot Order Menu  
Main Menu  
BootSeq  
Bus DevFunc BootSeq  
Bus DevFunc  
00 98  
0 LSI53C875  
2 LSI53C895  
00  
00  
A0  
90  
1
LSI53C875  
To change an adapter's boot order, select it and press Enter. You are  
then prompted to enter the new boot sequence number. To remove an  
adapter's boot order, press Enter again rather than entering a new  
sequence number. While the maximum capacity is 32 adapters, only four  
adapters can be assigned a boot order starting with boot sequence  
number zero (0). If an invalid number is entered, an error message  
appears. When the adapters are ordered as desired, press the Escape  
(Esc) key to exit from this menu.  
Starting the SCSI BIOS Configuration Utility  
3-5  
 
                   
3.2.1.3  
Additional Adapter Configuration  
The additional adapter configuration allows the user to configure an  
adapter that is not assigned a boot order. When this option is selected,  
the Adapter Configuration menu appears.  
Figure 3.4 is an example of the Adapter Configuration Menu.  
Figure 3.4 Adapter Configuration Menu  
Main Menu  
BootSeq  
Bus DevFunc BootSeq  
00 A0  
Bus DevFunc  
00 98  
1 LSI53C875  
LSI53C895  
0
LSI53C875  
Highlight the adapter to be configured and press Enter. The message  
Resetting Adapter, Please waitappears, and then the system scans  
for devices. The Utilities Menu appears and lists the available options,  
which are described below:  
3.2.1.4  
3.2.1.5  
3.2.1.6  
Display Mode  
The Display Mode option determines how much information about your  
host adapters and SCSI devices appear on your computer monitor during  
boot. For more complete information, choose the verbose setting. For a  
faster boot, choose the terse setting.  
Mono/Color  
The Mono/Color option allows a choice between a monochrome or color  
display for the SCSI BIOS Configuration Utility. You might need to choose  
the mono setting to get a more readable screen on a monochrome  
monitor.  
Language  
If enabled, the Language option allows you to select from five languages  
for the configuration utility: English, German, French, Italian, and  
Spanish.  
3-6  
Configuring the LSIU40HVD  
 
                 
3.2.1.7  
3.2.1.8  
3.2.1.9  
Help  
Quit  
Esc  
The Help option allows the user to bring up a help screen with  
information about the Main Menu.  
The Quit option allows you to exit from the SCSI BIOS Configuration  
Utility when the Main Menu is displayed.  
The Esc option allows you to exit from all the screens except the Main  
Menu.  
3.2.2 Utilities Menu  
When you select a host adapter on the Main menu, the Utilities menu  
appears.  
Figure 3.5 is an example of the Utilities Menu.  
Figure 3.5 Utilities Menu  
LSI53C875  
Adapter Setup  
Device Selections  
Help  
Exit this menu  
Choose Adapter Setup to view and change the selected adapter  
settings. Choose DeviceSelectionsto view and change settings for the  
devices attached to the selected adapter.  
You are returned to this menu after making changes to the configuration  
of any host adapter or connected SCSI device. Before you exit this menu,  
you are prompted to save or cancel any changes.  
Starting the SCSI BIOS Configuration Utility  
3-7  
 
                       
3.2.2.1  
Adapter Setup Menu  
When you select Adapter Setup, the corresponding menu appears.  
Figure 3.6 is an example of the Adapter Setup Menu.  
Figure 3.6 Adapter Setup Menu  
Adapter Setup  
SCAM Support  
Parity  
Off  
Enabled  
Host SCSI ID  
Scan Order  
7
Low to High <0..Max>  
Removable Media Support  
CHS Mapping  
None  
SCSI Plug & Play Mapping  
2
Spinup Delay  
Help  
Restore Default Setup  
Exit this menu  
The settings in this menu are global settings that affect the selected host  
adapter and all SCSI devices attached to it. One of these choices can  
be selected by highlighting it and pressing Enter.  
SCAM Support – The LSI Logic BIOS version 4.0 and above supports  
the SCSI Plug and Play protocol called SCAM (SCSI Configured  
AutoMatically). SCAM support by default is off in versions 4.09 and later  
for the LSI53C876 device. The user may choose to turn this on only if  
the system drivers do not require SCAM off. Note that if this BIOS is  
flashed onto a board with existing settings, then these settings will not  
be changed to reflect the new BIOS defaults. Go into the Configuration  
Utility to change these settings.  
Parity – The LSI Logic PCI to SCSI host adapters always generate  
parity, but some older SCSI devices do not. Therefore, you are offered  
the option of disabling parity checking.  
3-8  
Configuring the LSIU40HVD  
 
           
Note:  
When disabling parity checking, it is also necessary to  
disable disconnects for all devices, as parity checking for  
the reselection phase is not disabled. If a device does not  
generate parity, and it disconnects, the I/O never completes  
because the reselection never completes.  
Host SCSI ID – This option refers to the host adapter’s SCSI ID, which  
is a unique number used to identify the device on the SCSI bus.  
Note:  
In general, the user should not change the host adapter ID  
from the default value of 7, as this gives it the highest  
priority on the SCSI bus. Please also note that if you have  
8-bit SCSI devices (narrow), they cannot see host IDs  
greater than 7.  
Scan Order – This option allows the user to tell the SCSI BIOS and  
device drivers to scan the SCSI bus from low to high (0 to max) SCSI  
ID, or from high to low (max to 0) SCSI ID. If there is more than one  
device on the SCSI bus, changing the scan order changes the order in  
which drive letters are assigned by the system. Drive order may be  
reassigned differently in systems supporting the BIOS Boot Specification  
(BBS).  
See Chapter 2, “SCSI BIOS,in the PCI Storage Device Management  
System SDMS 4.0 User’s Guide for additional information regarding  
BBS.  
Note:  
This scan order option may conflict with operating systems  
that automatically assign a drive order.  
Removable Media Support – This option defines the removable media  
support for a specific drive. When this option is selected, a window  
appears with three choices:  
None  
Boot Drive Only  
With Media Installed  
None indicates there is no removable media support whether the drive  
is selected in BBS as being first, or first in scan order in non-BBS.  
Boot Drive Only provides removable media support for a removable  
hard drive if it is first in the scan order.  
Starting the SCSI BIOS Configuration Utility  
3-9  
 
           
With Media Installed provides removable media support wherever the  
drive(s) actually resides.  
One of these choices can be selected by highlighting it and pressing  
Enter.  
CHS Mapping – This option defines the cylinder head sector (CHS)  
values that will be mapped onto a disk without pre-existing partition  
information. SCSI Plug and Play Mapping is the default value.  
To support interchange with noncompatible systems, there is another  
option that can be selected by choosing CHS Mapping and then  
cursoring to Alternate CHS Mapping.  
Note:  
Neither of these options will have any effect after the disk  
has been partitioned with the FDISK command.  
To remove partitioning, two options are available:  
Reformat the disk using the Format Device option. See Section  
3.2.2.2, “Device Selections Menu.”  
Use the FDISK /MBR command at the C:\ prompt, where MBR  
represents master boot record.  
Important: Reformatting the disk or using FDISK /MBR erases all  
partitioning and data that exists. Be careful that you target  
the correct disk when using either the Format utility or the  
FDISK /MBR command.  
Note:  
After clearing the partitions and data, it is necessary to  
reboot and clear memory or the old partitioning data will be  
reused, thus nullifying the previous operation.  
Spinup Delay (seconds) – This option allows the user to stagger  
spinups for a longer period of time to balance the total current load. The  
default value is 2 seconds with choices between 1 and 10 seconds.  
This is a power management device designed to accommodate disk  
devices that may have heavy current load during power-up. If multiple  
drives are being powered up simultaneously and drawing heavy current  
loads, then this option staggers the spinups to limit start-up current.  
3-10  
Configuring the LSIU40HVD  
 
               
3.2.2.2  
Device Selections Menu  
When you select the Device Selections option, the corresponding menu  
(as shown in Figure 3.7) appears.  
Figure 3.7 Device Selections Menu  
Device Selections 0-7  
Sync Data Disc Time Scan  
Queue Initial  
Rate Width  
Out Bus LUNS Tags Boot  
0-Dev0 N/A 80  
16  
16  
16  
16  
16  
16  
16  
16  
On  
On  
On  
On  
On  
On  
On  
On  
10  
10  
10  
10  
10  
10  
10  
10  
Yes Yes On  
Yes Yes On  
Yes Yes On  
Yes Yes On  
Yes Yes On  
Yes Yes On  
Yes Yes On  
Yes Yes On  
No  
No  
No  
No  
No  
No  
No  
No  
1-Dev1 N/A 80  
2-Dev2 N/A 80  
3-Dev3 N/A 80  
4-Dev4 N/A 80  
5-Dev5 N/A 80  
6-Dev6 N/A 80  
LSI53C895  
80  
Device Selections 8-15  
Help  
Exit this menu  
The settings in this menu affect individual SCSI devices attached to the  
selected host adapter. Changes made from this menu do not cause the  
system to reboot upon exit from the SCSI BIOS Configuration Utility. To  
change a value, select the required device by using the arrow keys and  
press Enter. A new menu (as shown in Figure 3.8) appears providing the  
options and utilities available.  
Starting the SCSI BIOS Configuration Utility  
3-11  
 
     
Here is an example of this menu:  
Figure 3.8 Device Selections Menu (Cont.)  
LSI53C875  
Inside device  
Sync Rate  
Width  
Disconnect  
Read/Write I/O Timeout  
Scan for Device at Boot Time  
Scan for SCSI LUNs  
Queue Tags  
Initial Boot  
Format  
Verify  
Help  
Restore Default Setup  
Exit this menu  
Please review the descriptions of each option below before changing any  
values.  
Sync Rate (MBytes/sec) – This option defines the maximum data  
transfer rate the host adapter will attempt to negotiate. The host adapter  
and a SCSI device must agree to a rate they can both handle.  
Width (bits) – This option defines the maximum SCSI data width the  
host adapter will attempt to negotiate. The host adapter and a SCSI  
device must agree to a width they can both handle. Only chips that can  
do 16-bit data transfers have this option enabled.  
Disconnect – SCSI devices have the ability to disconnect from the  
initiator during an I/O transfer. This disconnect option frees the SCSI Bus  
to allow other I/O processes. Additionally, it tells the host adapter whether  
or not to allow a device to disconnect. Some devices run faster with  
disconnects enabled (mostly newer devices), while some run faster with  
disconnects disabled (mostly older devices).  
3-12  
Configuring the LSIU40HVD  
 
           
Read Write I/O Time-out (seconds) – This option sets the amount of  
time the host adapter waits for a read, write, or seek command to  
complete before trying the I/O transfer again. Because this provides a  
safeguard by allowing the system to recover if an I/O operation fails, you  
should always set the time-out to a value greater than zero.  
Note:  
A zero value allows unlimited time for an operation to  
complete and could result in the system being hung-up.  
Scan for Device at Boot Time – Set this option to no if there is a  
device that you do not want to be available to the system. Also, on a bus  
with only a few devices attached, you can speed up boot time by  
changing this setting to no for all unused SCSI IDs.  
Scan for SCSI Logical Units (LUNs) – Set this option to noif problems  
arise with a device that responds to all LUNs whether they are occupied  
or not. For example, if a SCSI device with multiple LUNs is present on  
the system but you do not want all of those LUNs to be available to the  
system, then set this option to no. This will limit the scan to LUN 0 only.  
Queue Tags – If the device driver has the capability, this option allows  
the user to enable or disable the issuing of queue tags during I/O  
requests.  
Initial Boot – This option allows any device attached to the first adapter  
to become the boot device. It provides the users of non-BBS personal  
computers with some of the flexibility of a BBS machine.  
Format Device – If enabled, this option allows the user to low-level  
format a magnetic disk drive. Low-level formatting will completely and  
irreversibly erase all data on the drive. Formatting will default the drive to  
a 512-byte sector size even if the drive had previously been formatted to  
another sector size.  
Verify – This option allows the user to read all the sectors on a disk  
looking for errors. When selected, this option displays the following  
message:  
“Verify all sectors on the device  
Press ESC to abort  
Else press any key to continue”  
Starting the SCSI BIOS Configuration Utility  
3-13  
 
                           
Help – This option brings up a help screen with information about the  
Device Selections Menu.  
Restore Default Setup – This option resets all device selections back  
to their default settings. Select this option to restore all manufacturing  
defaults for the specified adapter. Note that all user-customized options  
will be lost upon saving after restoring default setup.  
Exit this menu – This option allows the user to leave the Device  
Selections Menu and return to the previous screen.  
3.3 Exiting the SCSI BIOS Configuration Utility  
Because some changes only take effect after the system reboots, it is  
important that the user exit from this Configuration Utility properly. Return  
to the Main Menu and exit by using the Quit option.  
Important: Rebooting the system without properly exiting from this  
utility may cause some changes to not take effect.  
3-14  
Configuring the LSIU40HVD  
 
               
Appendix A  
Technical  
Specifications  
LSIU40HVD. An example of the LSIU40HVD mechanical drawing is  
shown in Figure A.1. This section also includes these topics:  
Section A.1, “Physical Environment,page A-1  
Section A.2, “Operational Environment,page A-4  
A.1 Physical Environment  
This section discusses the physical, electrical, thermal, and safety  
characteristics associated with the LSIU40HVD. The board is compliant  
with the electromagnetic standards set by the FCC.  
A.1.1 Physical Characteristics  
The dimensions of the LSIU40HVD are 190 x 96.52 mm (7.50 x 3.80  
inches). PCI connection is made through the edge connector J1. Internal  
16-bit SCSI connection is made through the 68-pin high density  
connectors J2 or J5. External SCSI connection is made through the  
68-pin high density connectors J3 or J6. The J3 and J6 connectors  
extend through the ISA/EISA bracket, which is attached to the face of the  
connector outside of the cabinet where the LSIU40HVD is installed. The  
bracket is a standard ISA type with a cutout to accommodate the  
connectors. The J4 and J7 connectors are for connecting the computer’s  
Busy-LED. It is a 4-pin, one-row right-angle header wired in parallel with  
the onboard LED. The component height on the top and bottom of the  
board follows the PCI specification.  
LSIU40HVD PCI to Dual Channel SCSI Host Adapter  
A-1  
 
           
Figure A.1 LSIU40HVD Mechanical Drawing  
190.50 (REF) (7.50 (REF))  
J2  
J5  
J7  
J4  
TP2  
TP5  
TERMPWR  
Fail LED  
J3  
TERMPWR  
Fail LED  
TP3  
TP6  
NVRAM  
NVRAM  
TP1  
FLASH  
EEPROM  
LSI53C876  
J6  
J1  
All Dimensions are given in millimeters and (inches)  
A.1.2 Electrical Characteristics  
The LSIU40HVD maximum power requirements, including SCSI  
TERMPWR, under normal operation are as shown in Table A.1.  
Table A.1  
Maximum Power Requirements  
+5 V DC  
±5%  
1.5 A  
Over the operating range 5 ˚C to 55 ˚C.  
+3.3 V DC ±0.3 V  
130 mA  
Over the operating range 5 ˚C to 55 ˚C  
when operating in a 3.3 V PCI slot.  
Under abnormal conditions such as a short on SCSI TERMPWR, + 5 V  
current may be higher. At temperatures of at least 25 ˚C, a current of 4 A  
is sustained no longer than 30 seconds before the self-resetting  
TERMPWR short circuit protection device opens.  
The PCI PRSNT1/ and PRSNT2/ pins are set to indicate a 15 W  
maximum configuration.  
A-2  
Technical Specifications  
 
           
A.1.3 Thermal, Atmospheric Characteristics  
The board is designed to operate in an environment defined by the  
following parameters:  
Temperature range: 5–55 ˚C (dry bulb)  
Relative humidity range: 5–90% noncondensing  
Maximum dew point temperature: 32 ˚C  
A.1.4 Electromagnetic Compliance  
The board minimizes electromagnetic emissions, susceptibility, and the  
effects of electromagnetic discharge. The board meets the requirements  
of FCC and CISPR Class B limits and is marked with the FCC Self  
Certification logo. It also carries the CE mark.  
A.1.5 Safety Characteristics  
The bare board meets or exceeds the requirements of UL flammability  
rating 94 V0. The bare board is also marked with the supplier’s name or  
trademark, type, and UL flammability rating. Because this board is  
installed in a PCI bus slot, all voltages are below the SELV 42.4 V limit.  
Physical Environment  
A-3  
 
                 
A.2 Operational Environment  
The LSIU40HVD is designed for use in PCI computer systems with an  
ISA/EISA bracket type. The LSI Logic SDMS software operates the  
board, but the design of the board does not prevent the use of other  
software.  
A.2.1 The PCI Interface  
The PCI interface operates as a 32-bit DMA bus master. The connection  
is made through the edge connector J1, which provides connections on  
both the front and back of the board. The signal definitions and pin  
numbers conform to the PCI Local Bus Specification Revision 2.1  
standard. The following tables show the signal assignments.  
Note:  
The + 3.3 V pins are tied together and decoupled with high  
frequency bypass capacitors to ground. No current from  
these 3.3 V pins is used on the board. The PCI portion of  
the LSI53C876 chip is powered from the 3 V/5 V pins.  
A-4  
Technical Specifications  
 
       
Table A.2  
PCI Connector J1 (Front)  
Signal Name  
12 V  
Pin  
Signal Name  
GND  
Pin  
Signal Name  
Pin  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
1
22  
+3.3 V  
TCK  
2
3
AD27  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
C_BE1/  
AD14  
GND  
AD25  
TDO  
4
+3.3 V  
C_BE3/  
AD23  
GND  
+5 V  
5
AD12  
+5 V  
6
AD10  
INTB/  
7
GND  
GND  
INTD/  
8
AD21  
KEYWAY  
KEYWAY  
AD08  
GND (PRSNT1/)  
RESERVED  
GND (PRSNT2/)  
KEYWAY  
KEYWAY  
RESERVED  
GND  
9
AD19  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
+3.3 V  
AD17  
AD07  
C_BE2/  
GND  
+3.3 V  
AD05  
IRDY/  
+3.3 V  
DEVSEL/  
GND  
AD03  
GND  
CLK  
AD01  
GND  
3 V/5 V  
ACK64/  
+5 V  
REQ/  
LOCK/  
PERR/  
+3.3 V  
SERR/  
3 V/5 V  
AD31  
+5 V  
AD29  
Note: Shaded signals are not connected.  
Operational Environment  
A-5  
 
 
Table A.3  
PCI Connector J1 (Back)  
Signal Name  
Pin  
Signal Name  
Pin  
Signal Name  
PAR  
Pin  
TRST/  
1
2
AD28  
AD26  
GND  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
+12 V  
AD15  
TMS  
3
+3.3 V  
AD13  
TDI  
4
AD24  
IDSEL  
+3.3 V  
AD22  
AD20  
GND  
+5 V  
5
AD11  
INTA/  
6
GND  
INTC/  
7
AD09  
+5 V  
8
KEYWAY  
KEYWAY  
C_BE0/  
+3.3 V  
AD06  
RESERVED  
3 V/5 V  
RESERVED  
KEYWAY  
KEYWAY  
RESERVED  
RST/  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
AD18  
AD16  
+3.3 V  
FRAME/  
GND  
AD04  
GND  
TRDY/  
GND  
AD02  
3 V/5 V  
GNT/  
AD00  
STOP/  
+3.3 V  
SDONE  
SBO/  
3 V/5 V  
REQ64/  
+5 V  
GND  
RESERVED  
AD30  
+5 V  
+3.3 V  
GND  
Note: Shaded signals are not connected.  
A-6  
Technical Specifications  
 
 
A.2.2 The SCSI Interface  
The SCSI interface operates as a 8-bit or 16-bit, synchronous or  
asynchronous, differential bus, and supports SCSI-2 protocols and 16-bit  
arbitration. The interface is made through connectors J2 and J3 for  
Channel A. Channel B connectors are J5 and J6. Connectors J2 and J5  
are 68-pin high density right-angle receptacles for internal connections.  
Connectors J3 and J6 are 68-pin VHDCI right-angle receptacles that  
protrude through the back panel bracket.  
Active differential SCSI termination is provided automatically. SCSI  
TERMPWR is also supplied by the board. Table A.4 and Table A.5 show  
the signal assignments for J2/J5, and J3/J6.  
Operational Environment  
A-7  
 
   
Table A.4  
SCSI Connectors J2/J5 and J3/J6  
Signal Name  
Pin  
Signal Name  
Pin  
Signal Name  
Pin  
SD12  
SD13  
SD14  
SD15  
SDP1  
GND  
1
2
SRST  
SMSG  
SSEL  
SC_D  
SREQ  
SI_O  
GND  
24 SD6/  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
25 SD7/  
3
26 SDP/  
1
4
27 CPRSNT_A-B/  
28 TERMPWR  
29 TERMPWR  
30 N/C  
5
6
SD0  
7
SD1  
8
SD8  
31 SATN/  
32 GND  
SD2  
9
SD9  
SD3  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
SD10  
SD11  
SD12/  
SD13/  
SD14/  
SD15/  
SDP1/  
GND  
33 SBSY/  
34 SACK/  
35 SRST/  
36 SMSG/  
37 SSEL/  
38 SC_D/  
39 SREQ/  
40 SI_O/  
41 GND  
SD4  
SD5  
SD6  
SD7  
SDP  
DIFFSENS  
TERMPWR  
TERMPWR  
N/C  
SD0/  
SD1/  
42 SD8/  
SATN  
GND  
SD2/  
43 SD9/  
SD3/  
44 SD10/  
45 SD11/  
46  
SBSY  
SACK  
SD4/  
SD5/  
1. CPRSNT_A/ (J2/J5) and CPRSNT_B/ (J3/J6) are used to sense the connection  
of a standard SCSI device by sensing SCSI standard GND on this pin.  
A-8  
Technical Specifications  
 
   
A.2.3 The LED Interface  
The LED interface on the LSIU40HVD is a four-wire arrangement that  
allows the user to connect an LED harness to the board. The  
GPIO0_FETCH line (maximum output low voltage 0.4 V and minimum  
output low current 16 mA) is pulled low to complete the circuit when a  
harness with an LED is attached. The connectors on the LSIU40HVD are  
J4 for Channel A, and J7 for Channel B.  
Table A.5  
LED Connector J5/J9  
Signal Name  
LED+  
Pin  
1
2
3
4
LED−  
LED−  
LED+  
Operational Environment  
A-9  
 
           
A-10  
Technical Specifications  
 
Appendix B  
Glossary Terms and  
Abbreviations  
Active  
Termination  
The electrical connection required at each end of the SCSI bus,  
composed of active voltage regulation and a set of termination resistors.  
Ultra and Ultra2 SCSI require active termination.  
Address  
A specific location in memory, designated either numerically or by a  
symbolic name.  
Asynchronous  
Data Transfer  
One of the ways data is transferred over the SCSI bus. It is slower than  
synchronous data transfer.  
BIOS  
Basic Input/Output System. Software that provides basic read/write  
capability. Usually kept as firmware (ROM based). The system BIOS on  
the mainboard of a computer is used to boot and control the system. The  
SCSI BIOS on your host adapter acts as an extension of the system  
BIOS.  
Bit  
A binary digit. The smallest unit of information a computer uses. The  
value of a bit (0 or 1) represents a two-way choice, such as on or off,  
true or false, and so on.  
Bus  
A collection of unbroken signal lines across which information is  
transmitted from one part of a computer system to another. Connections  
to the bus are made by way of taps on the lines.  
Bus Mastering  
A high-performance way to transfer data. The host adapter controls the  
transfer of data directly to and from system memory without interrupting  
the computer’s microprocessor. This is the fastest way for multitasking  
operating systems to transfer data.  
Byte  
A unit of information consisting of eight bits.  
CISPR  
A special international committee on radio interference (Committee,  
International and Special, for Protection in Radio).  
LSIU40HVD PCI to Dual Channel SCSI Host Adapter  
B-1  
 
   
Configuration  
CPU  
Refers to the way a computer is set up; the combined hardware  
components (computer, monitor, keyboard, and peripheral devices) that  
make up a computer system; or the software settings that allow the  
hardware components to communicate with each other.  
Central Processing Unit. The “brain” of the computer that performs the  
actual computations. The term Microprocessor Unit (MPU) is also used.  
DMA Bus  
Master  
A feature that allows a peripheral to control the flow of data to and from  
system memory by blocks, as opposed to PIO (Programmed I/O) where  
the processor is in control and the flow is by byte.  
Device Driver  
A program that allows a microprocessor (through the operating system)  
to direct the operation of a peripheral device.  
Differential  
SCSI  
A hardware configuration for connecting SCSI devices. It uses a pair of  
lines for each signal transfer (as opposed to single-ended SCSI which  
references each SCSI signal to a common ground).  
Dword  
A double word is a group of four consecutive bytes or characters that are  
stored, addressed, transmitted, and operated on as a unit. The lower two  
address bits of the least significant byte must equal zero in order to be  
Dword aligned.  
EEPROM  
EISA  
Electronically Erasable Programmable Read Only Memory. A memory  
chip typically used to store configuration information. See NVRAM.  
Extended Industry Standard Architecture. An extension of the 16-bit ISA  
bus standard. It allows devices to perform 32-bit data transfers.  
External SCSI  
Device  
A SCSI device installed outside the computer cabinet. These devices are  
connected in a continuous chain using specific types of shielded cables.  
Fast-20  
The SCSI Trade Association (STA) supports using the term “Ultra SCSI”  
over the term “Fast-20”. Please see Ultra SCSI.  
Fast-40  
The SCSI trade association (STA) supports using the term “Ultra2 SCSI”  
over the term “Fast-40”. Please see Ultra2 SCSI.  
Fast SCSI  
A standard for SCSI data transfers. It allows a transfer rate of up to  
10 Mbytes/s over an 8-bit SCSI bus and up to 20 Mbytes/s over a 16-bit  
SCSI bus.  
FCC  
Federal Communications Commission.  
B-2  
Glossary Terms and Abbreviations  
 
File  
A named collection of information stored on a disk.  
Firmware  
Software that is permanently stored in ROM. Therefore, it can be  
accessed during boot time.  
Hard Disk  
Host  
A disk made of metal and permanently sealed into a drive cartridge. A  
hard disk can store very large amounts of information.  
The computer system in which a SCSI host adapter is installed. It uses  
the SCSI host adapter to transfer information to and from devices  
attached to the SCSI bus.  
Host Adapter  
A circuit board or integrated circuit that provides a SCSI bus connection  
to the computer system.  
Internal SCSI  
Device  
A SCSI device installed inside the computer cabinet. These devices are  
connected in a continuous chain using an unshielded ribbon cable.  
IRQ  
Interrupt Request Channel. A path through which a device can get the  
immediate attention of the computer’s CPU. The PCI bus assigns an IRQ  
path for each SCSI host adapter.  
ISA  
Industry Standard Architecture. A type of computer bus used in most  
PCs. It allows devices to send and receive data up to 16-bits at a time.  
Kbyte  
Kilobyte. A measure of computer storage equal to 1024 bytes.  
Local Bus  
A way to connect peripherals directly to computer memory. It bypasses  
the slower ISA and EISA buses. PCI is a local bus standard.  
Logical Unit  
A subdivision, either logical or physical, of a SCSI device (actually the  
place for the device on the SCSI bus). Most devices have only one logical  
unit, but up to eight are allowed for each of the eight possible devices on  
a SCSI bus.  
LUN  
Logical Unit Number. An identifier, zero to seven, for a logical unit.  
Mainboard  
A large circuit board that holds RAM, ROM, the microprocessor, custom  
integrated circuits, and other components that make a computer work. It  
also has expansion slots for host adapters and other expansion boards.  
Main Memory  
Mbyte  
The part of a computer’s memory which is directly accessible by the CPU  
(usually synonymous with RAM).  
Megabyte. A measure of computer storage equal to 1024 kilobytes.  
Glossary of Terms and Abbreviations  
B-3  
 
Motherboard  
Multitasking  
Multithreading  
NVRAM  
See Mainboard. In some countries, the term Motherboard is not  
appropriate.  
The executing of more than one command at the same time. This allows  
programs to operate in parallel.  
The simultaneous accessing of data by more than one SCSI device. This  
increases the data throughput.  
NonVolatile Random Access Memory. Actually an EEPROM  
(Electronically Erasable Read Only Memory chip) used to store  
configuration information. See EEPROM.  
Operating  
System  
A program that organizes the internal activities of the computer and its  
peripheral devices. An operating system performs basic tasks such as  
moving data to and from devices, and managing information in memory.  
It also provides the user interface.  
Parity Checking A way to verify the accuracy of data transmitted over the SCSI bus. The  
parity bit in the transfer is used to make the sum of all the 1 bits either  
odd or even (for odd or even parity). If the sum is not correct, the  
information may be retransmitted or an error message may appear.  
Passive  
The electrical connection required at each end of the SCSI bus,  
Termination  
composed of a set of resistors. It improves the integrity of bus signals.  
PCI  
Peripheral Component Interconnect. A local bus specification that allows  
connection of peripherals directly to computer memory. It bypasses the  
slower ISA and EISA buses.  
Peripheral  
Devices  
A piece of hardware (such as a video monitor, disk drive, printer, or  
CD-ROM) used with a computer and under the computer’s control. SCSI  
peripherals are controlled through a SCSI host adapter.  
Pin-1  
Orientation  
The alignment of pin 1 on a SCSI cable connector and the pin-1 position  
on the SCSI connector into which it is inserted. External SCSI cables are  
always keyed to insure proper alignment, but internal SCSI ribbon cables  
sometimes are not keyed.  
PIO  
Programmed Input/Output. A way the CPU can transfer data to and from  
memory using the computer’s I/O ports. PIO is usually faster than DMA,  
but requires CPU time.  
B-4  
Glossary Terms and Abbreviations  
 
Port Address  
Also Port Number. The address through which commands are sent to a  
host adapter board. This address is assigned by the PCI bus.  
Port Number  
Queue Tags  
See Port Address.  
A way to keep track of multiple commands that allow for increased  
throughput on the SCSI bus.  
RAM  
Random Access Memory. The computer’s primary working memory in  
which program instructions and data are stored and are accessible to the  
CPU. Information can be written to and read from RAM. The contents of  
RAM are lost when the computer is turned off.  
RISC Core  
ROM  
LSI Logic SCSI chips contain a RISC (Reduced Instruction Set  
Computer) processor, programmed through microcode scripts.  
Read Only Memory. Memory from which information can be read but not  
changed. The contents of ROM are not erased when the computer is  
turned off.  
SCAM  
SCSI  
SCSI Configured AutoMatically. A method to automatically allocate SCSI  
IDs using software when SCAM compliant SCSI devices are attached.  
Small Computer System Interface. A specification for a high performance  
peripheral bus and command set. The original standard is referred to as  
SCSI-1.  
SCSI-2  
The current SCSI specification which adds features to the original  
SCSI-1 standard.  
SCSI-3  
The SCSI specification which adds features to the SCSI-2 standard.  
SCSI Bus  
A host adapter and one or more SCSI peripherals connected by cables  
in a linear chain configuration. The host adapter may exist anywhere on  
the chain, allowing connection of both internal and external SCSI  
devices. A system may have more than one SCSI bus by using multiple  
host adapters.  
SCSI Device  
Any device that conforms to the SCSI standard and is attached to the  
SCSI bus by a SCSI cable. This includes SCSI host adapters and SCSI  
peripherals.  
Glossary of Terms and Abbreviations  
B-5  
 
SCSI ID  
SDMS  
A way to uniquely identify each SCSI device on the SCSI bus. Each SCSI  
bus has eight available SCSI IDs numbered 0 through 7 (or 0 through  
15 for Wide SCSI). The host adapter usually gets the highest ID (7 or 15)  
giving it priority to control the bus.  
Storage Device Management System. An LSI Logic software product that  
manages SCSI system I/O.  
Single-Ended  
SCSI  
A hardware specification for connecting SCSI devices. It references each  
SCSI signal to a common ground. This is the most common method (as  
opposed to differential SCSI which uses a separate ground for each  
signal).  
STA  
SCSI Trade Association. A group of companies that cooperate to  
promote SCSI parallel interface technology as a viable mainstream I/O  
interconnect for commercial computing.  
Synchronous  
Data Transfer  
One of the ways data is transferred over the SCSI bus. Transfers are  
clocked with fixed-frequency pulses. This is faster than asynchronous  
data transfer. Synchronous data transfers are negotiated between the  
SCSI host adapter and each SCSI device.  
System BIOS  
Ultra SCSI  
Controls the low level POST (Power-On Self-Test), and basic operation  
of the CPU and computer system.  
A standard for SCSI data transfers. It allows a transfer rate of up to  
20 Mbytes/s over a 8-bit SCSI bus and up to 40 Mbytes/s over a 16-bit  
SCSI bus. STA (SCSI Trade Association) supports using the term “Ultra  
SCSI” over the term “Fast-20”.  
Ultra2 SCSI  
A standard for SCSI data transfers. It allows a transfer rate of up to  
40 Mbytes/s over an 8-bit SCSI bus, and up to 80 Mbytes/s over a  
16-bit SCSI bus. STA (SCSI Trade Association) supports using the term  
“Ultra2 SCSI” over the term “Fast-40”.  
VCCI  
VDE  
Voluntary Control Council for Interference.  
Verband Deucher Elektroniker (Association of German Electrical  
Engineers).  
Virtual Memory  
Space on a hard disk that can be used as if it were RAM.  
B-6  
Glossary Terms and Abbreviations  
 
Wide SCSI  
A SCSI-2 feature allowing 16-bit or 32-bit transfers on the SCSI bus. This  
dramatically increases the transfer rate over the standard 8-bit SCSI bus.  
Wide Ultra SCSI The STA term for a SCSI bus width of 16 bits, with the SCSI bus speed  
maximum data rate of 40 Mbytes/s.  
Wide Ultra2  
SCSI  
The STA term for a SCSI bus width of 16 bits, with the SCSI bus speed  
maximum data rate of 80 Mbytes/s.  
Word  
A 2-byte (or 16-bit) unit of information.  
Glossary of Terms and Abbreviations  
B-7  
 
B-8  
Glossary Terms and Abbreviations  
 
Index  
restore default setup 3-14  
scan for device at boot time 3-13  
scan for SCSI logical units 3-13  
sync rate 3-12  
verify 3-13  
A
adapter boot order menu  
example 3-5  
adapter setup menu  
CHS mapping 3-10  
example 3-8  
display mode  
main menu option 3-6  
duplication of SCSI IDs 2-21  
host SCSI ID 3-9  
parity 3-8  
removable media support 3-9  
SCAM support 3-8  
scan order 3-9  
spinup delay 3-10  
additional adapter configuration menu  
example 3-6  
alternate CHS mapping 3-10  
Esc option  
main menu 3-7  
external SCSI bus connections 2-14  
B
board characteristics 1-3  
boot order menu  
changing an adapter’s boot order 3-5  
example 3-5  
FDISK /MBR command  
removing partitions 3-10  
removing an adapter’s boot order 3-5  
setting the boot order 3-5  
low-level formatting 3-13  
removing partitions/data 3-10  
front panel LED 2-13  
C
chained connection 2-11, 2-16  
change status on next boot menu  
example 3-4  
CHS mapping 3-10  
global default settings 3-1  
GPIO0_FETCH line A-9  
completing the LSIU40HVD installation 2-23  
configuring the host adapter 3-1 to 3-14  
connecting your SCSI peripherals 2-6  
D
device selections menu 3-14  
description  
interface 1-3  
high density right-angle receptacles  
Host SCSI ID 3-9  
detailed installation procedure 2-3  
device default settings table 3-2  
device selections menu  
disconnect 3-12  
example 3-11  
exiting 3-14  
I
format device 3-13  
help 3-14  
initial boot 3-13  
initial boot option 3-13  
inserting your host adapter 2-4  
installation procedure 2-3  
queue tags 3-13  
read write I/O time-out 3-13  
installation procedure check list 2-23  
internal SCSI bus connections 2-8  
LSIU40HVD PCI to Dual Channel SCSI Host Adapter  
IX-1  
 
 
J
jumpers  
read write I/O time-out option 3-13  
removable media support 3-9  
restore default setup 3-14  
overriding of termination 1-4  
TP2, TP3, TP5, TP6 2-21  
L
language  
main menu option 3-6  
LED cable 2-13  
LED connector J4 A-9  
LED interface A-9  
LSIU40HVD host adapter  
40 MHz oscillator 1-4  
board characteristics 1-3  
description 1-3  
scan for device at boot time option 3-13  
SCSI BIOS configuration utility  
change adapter status 3-4  
disabling controllers 3-3  
electrical characteristics A-2  
electromagnetic compliance A-3  
features 1-2  
main menu example 3-3  
mono/color option 3-6  
installing 2-3 to 2-23  
NVRAM 3-2  
pressing control C to invoke 3-5  
quit option 3-7  
PCI interface 1-3  
setting adapter boot order 3-5  
starting 3-2  
physical characteristics A-1  
safety characteristics A-3  
SCSI interface 1-3  
termination 1-4  
thermal, atmospheric characteristics A-3  
Ultra SCSI 1-4  
SCSI ID record table 2-22  
SCSI interface 1-2, 1-3, A-7  
M
setting SCSI IDs 2-21  
spinup delay 3-10  
Storage Device Management System (SDMS) 1-1  
main menu  
adapter boot order option 3-5  
additional adapter configuration option 3-6  
change adapter status option 3-4  
display mode option 3-6  
Esc option 3-7  
help option 3-7  
termination  
language option 3-6  
mono/color option 3-6  
quit option 3-7  
SCSI bus 2-16 to 2-21  
TERMPWR  
termination power 1-4  
thermal, atmospheric characteristics A-3  
TP9 jumper 2-23  
N
NVRAM (nonvolatile random access memory) 3-2  
O
operational environment A-4  
adapter setup option 3-7  
device selections option 3-7  
example 3-7  
P
exiting 3-7  
parity  
disabling 3-8  
PCI interface 1-2, 1-3, A-4  
peripheral device SCSI IDs 2-21  
peripheral device terminators 2-17  
physical characteristics A-1  
power management device 3-10  
verify option 3-13  
VHDCI right-angle receptacles  
68 pin 1-4  
W
Q
width option 3-12  
queue tags option 3-13  
IX-2  
Index  
 
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LSIU40HVD PCI to Dual Channel SCSI Host Adapter  
 
 
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