LSIU40SE Dual Channel
PCI to Ultra SCSI
Host Adapter
August 2002
Version 2.2
®
DB15-000106-02
Electromagnetic Compatibility Notices
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
1.This device may not cause harmful interference, and
2.This device must accept any interference received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and the receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
Shielded cables for SCSI connection external to the cabinet are used in the compliance testing of this Product. LSI
Logic is not responsiblefor any radio or television interference caused byunauthorizedmodification of this equipment
or the substitution or attachment of connecting cables and equipment other than those specified by LSI Logic. The
correction of interferences caused by such unauthorized modification, substitution, or attachment will be the
responsibility of the user.
The LSI Logic LSIU40SE is tested to comply with FCC standards for home or office use.
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du
Canada.
This is a Class B product based on the standard of the Voluntary Control Council for Interference from Information
Technology Equipment (VCCI). If this is used near a radio or television receiver in a domestic environment, it may
cause radio interference. Install and use the equipment according to the instruction manual.
LSI Logic Corporation
North American Headquarters
Milpitas, CA
408.433.8000
ii
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 DB15-000106-02, Fourth Edition (August 2002)
This document describes the LSI Logic LSIU40SE Dual Channel PCI to Ultra
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.
LSI Logic, the LSI Logic logo design, and SDMS are trademarks or registered
trademarks of LSI Logic Corporation. All other brand and product names may be
trademarks of their respective companies.
DB
To receive product literature, visit us at http://www.lsilogic.com.
For a current list of our distributors, sales offices, and design resource
centers, view our web page located at
http://www.lsilogic.com/contacts/na_salesoffices.html
iii
iv
Audience
Preface
This book is the primary reference and user’s guide for the LSI Logic
LSIU40SE Dual Channel PCI to Ultra SCSI Host Adapter. It contains a
complete functional description for the LSIU40SE and includes complete
physical and electrical specifications for the LSIU40SE.
This document assumes that you have some familiarity with
microprocessors and related support devices. The people who benefit
from this book are:
•Engineers and managers who are evaluating the processor for
possible use in a system
•Engineers who are designing the processor into a system
Organization
This document has the following chapters and appendixes:
•Chapter 1, Using the LSIU40SE, defines the interfaces and
characteristics of the LSIU40SE.
•Chapter 2, Installing the LSIU40SE, provides both quick and detailed
installation instructions.
•Chapter 3, Configuring the LSIU40SE, describes the SCSI BIOS
Configuration Utility to configure adapter and device settings.
•Appendix A, Technical Specifications, describes the physical and
operational environments of the LSIU40SE.
•Appendix B, Glossary of Terms and Abbreviations, provides
definitions of various terminology that is referenced throughout this
user’s guide.
Prefacev
Related Publications
PCI Storage Device Management Systems SDMS™ 4.0 User’s Guide,
Order Number S14007.A
Revision Record
RevisionDateRemarks
1.01/97First release.
2.09/98Updated Chapter 3 to reflect 4.11 BIOS; new figure for channel switches.
2.112/00All product names changed from SYM to LSI.
2.28/02Product name changed from LSI22801 to LSIU40SE.
viPreface
Contents
Chapter 1Using the LSIU40SE
1.1General Description1-1
1.2Features1-2
1.2.1PCI Interface1-2
1.2.2SCSI Interface1-2
1.2.3Board Characteristics1-2
1.3Interface Descriptions1-3
1.3.1The PCI Interface1-3
1.3.2The SCSI Interface1-3
1.3.3Ultra SCSI1-4
Chapter 2Installing the LSIU40SE
2.1Quick Installation Procedure2-1
2.2Detailed Installation Procedure2-3
2.2.1Before You Start2-3
2.2.2Inserting the Host Adapter2-4
2.2.3Connecting the SCSI Peripherals2-6
2.2.4Making Internal SCSI Bus Connections2-9
2.2.5Making External SCSI Bus Connections2-16
2.2.6SCSI Bus Termination2-19
2.2.7Internal SCSI Connections2-20
2.2.8External SCSI Connections2-21
2.2.9Internal and External SCSI Connections2-22
2.2.10Internal SCSI Connections for Both Internal
Connectors2-23
This chapter describes the LSIU40SE Dual Channel PCI to Ultra SCSI
Host Adapter interface to PCI computer systems and includes these
topics:
•Section 1.1, “General Description,” page 1-1
•Section 1.2, “Features,” page 1-2
•Section 1.3, “Interface Descriptions,” page 1-3
1.1General Description
The LSI Logic LSIU40SE 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 LSIU40SE is a 16-bit, Single-Ended (SE), SCSI
solution for your computer, using only one PCI slot. This board can
support legacy Fast SCSI devices, and the newest Ultra SCSI devices.
It is also backwards compatible with the existing LSI8751SP host adapter
but with a different external connector.
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. BIOS support for this host adapter is
incorporated on the board in an 8 X 64K Flash BIOS.
This guide, along with the PCI Storage Device Management SystemSDMS 4.0 User’s Guide, contains product information and installation
instructions to help you gain the full benefits of the LSIU40SE.
LSIU40SE Dual Channel PCI to Ultra SCSI Host Adapter1-1
1.2Features
This section provides a high leveloverview of the PCI Interface, the SCSI
Interface, and Board Characteristics for the LSIU40SE.
1.2.1PCI Interface
•Full 32-bit DMA bus master
•Zero wait-state bus master data bursts
•Universal PCI bus voltage support
1.2.2SCSI Interface
•Two independent SCSI channels
•16-bit SE
•Automatically enabled active termination
•Three connectors per channel:
68-pin VHDCI external
68-pin right-angle high density internal with jack blocks
50-pin vertical low density internal
•Fast and Ultra SCSI data transfer capability
•SCSI termination power (TERMPWR) source with autoresetting
circuit breaker and TERMPWR shorted LED
•SCSI Configured AutoMatically (SCAM) off in BIOS Version 4.09 and
later
•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
1.2.3Board Characteristics
•PCI board dimensions,
190 x 96.52 mm (7.50 x 3.80 inches)
•Universal 32-bit card edge connector
1-2Using the LSIU40SE
1.3Interface Descriptions
This section provides a more detailed explanation about the PCI
Interface, the SCSI Interface, and Ultra SCSI.
1.3.1The 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 LSIU40SE is contained within the
LSI53C876 PCI to Ultra SCSI I/O Processor chip. The LSI53C876
connects directly to the PCI bus and generates timing protocol in
compliance with the PCI Local Bus Specification Revision 2.1 standard.
The PCI interface operates as a 32-bit DMA bus master. The connection
is made through 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 LSIU40SE conforms to the PCI universal
signaling environment for a 5 V or 3.3 V PCI bus.
1.3.2The SCSI Interface
The SCSI functionality for the LSIU40SE is contained within the
LSI53C876. The LSI53C876 connects directly to the two SCSI buses and
generates timing and protocol in compliance with the SCSI standard.
The SCSI interfaces on the LSIU40SE operate as 16-bit, synchronous or
asynchronous, SE bus, and support Ultra SCSI protocols and 16-bit
arbitration. Each interface is made through two of the connectors J2, J3,
and J4 (for Channel A), or J6, J7, and J8 (for Channel B). Connectors
J2 and J6 are 68-pin high density right-angle receptacles. Connectors J3
and J7 are shielded 68-pin VHDCI 0.8 mm right-angle receptacles that
protrude through the back panel bracket. Connectors J4 and J8 are
50-pin low density vertical shrouded pin headers. See Figure 2.1 for the
location of these connectors.
SE SCSI active termination is provided on the LSIU40SE. Termination is
automatically enabled when only one of the connectors J2, J3, and, J4
(or J6, J7, and, J8) is used, or when an 8-bit device is connected to the
16-bit J3 or J7 connectors. In the latter case, only the upper 8 data bits
are automatically terminated. The LSIU40SE supplies SCSI bus
Interface Descriptions1-3
TERMPWR through a blocking diode and a self-resetting 1.5 A short
circuit protection device. The on-board LED lights when TERMPWR is
shorted. Separate switches for each channel allow user override of
termination.
A 40 MHz oscillator is installed on the LSIU40SE to provide the clock
frequency to the LSI53C876 that is necessary to support Wide Ultra
SCSI transfers of up to 40 Mbytes/s.
1.3.3Ultra SCSI
The LSIU40SE fully supports Ultra SCSI as well as 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.
You must consider the total number of devicesand the length of the SCSI
bus when setting up your system. See Chapter 2, “Installing the
LSIU40SE,” for a more detailed explanation of SCSI bus connections.
1-4Using the LSIU40SE
Chapter 2
Installing the LSIU40SE
This chapter provides instructions on how to install the LSIU40SE and
includes these topics:
•Section 2.3, “Completing the Installation,” page 2-28
2.1Quick Installation Procedure
This section is provided for the experienced computer user with prior
host adapter installation and SCSI bus setup experience. If you prefer a
more detailed guidance in installing the LSIU40SE, 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 this host adapter board.
Remove the LSIU40SE from the packing and check that it is not
damaged. An example of this host adapter 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. Refer to the user’s manual for your computer.
Caution:Ground yourself by touching a metal surface before
handling 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 contacts.
The use of a static ground strap is recommended.
LSIU40SE Dual Channel PCI to Ultra SCSI Host Adapter2-1
Step 4.Locate the slots for PCI plug-in board installation. The
LSIU40SE requires a PCI slot that allows bus master operation.
Step 5.Remove the blank bracket panel on the back of the computer
aligned with the PCI slot you intend to use. Save the bracket
screw.
Step 6.Carefully insert 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.
Note:You may notice that the components on a PCI host adapter
face the opposite way from 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 J7 (see Figure 2.1)
should fit where the blank bracket panel was removed. Secure
the bracket with the bracket screw before making the internal
and external SCSI bus connections.
Step 8.If you are connecting any internal SCSI devices, plug a 68-pin
connector on the end of the internal SCSI ribbon cable into
connector J2 or J6 for Wide SCSI, or a 50-pin connector into
connector J4 or J8 for normal SCSI (see Figure 2.1). Make
certain to match pin 1 on both connectors.
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. 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.
Remember: The SCSI bus requires proper termination, and no
duplicate SCSI IDs.
2-2Installing the LSIU40SE
2.2Detailed Installation Procedure
This section provides step-by-step instructions for installing the
LSIU40SE, and connecting it to your SCSI peripherals. If you are
experienced in these tasks, you may prefer to use the preceding 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.
2.2.1Before You Start
Before starting, look through the following task list 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 the internal and external SCSI peripherals
•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 SCSI host adapter that you install can access up to 15 peripheral
devices per channel.
Detailed Installation Procedure2-3
2.2.2Inserting the Host Adapter
For safe and proper installation, check the user’s manual supplied with
your computer to perform the following steps.
Step 1.Ground yourself before removing this host adapter board.
Remove the LSIU40SE from the packing and check that it is not
damaged. An example of this host adapter 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 LSIU40SE requires a PCI slot that
allows bus master operation.
Step 5.Remove the blank bracket panel on the back of the computer
aligned with the PCI slot you intend to use. Save the bracket
screw.
2-4Installing the LSIU40SE
Figure 2.1Hardware Connections for the LSIU40SE
Channel A
68-pin External
VHDCI SCSI
Interface J3
Channel B
68-pin External
VHDCI SCSI
Interface J7
Channel A
LED Connector
Channel A
68-Pin Internal
High Density
SCSI Interface
J4
Channel A
50-Pin Internal
Low Density
SCSI Interface
Channel B
J5
J4
LSIU40SE PCI Bus
Connector on Mainboard
68-Pin Internal
High Density
SCSI Interface
J6
J1
Channel B
50-Pin Internal
Low Density
SCSI Interface
J8
Channel B
LED Connector
J9
Channel B
Termination
Override Switches
U2
Channel A
Termination
Override Switches
U1
Step 6.Carefully insert 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 as shown
in Figure 2.2.
Step 7.To plan on hooking up another host adapter on the same bus
as this host adapter, or an 8-bit device on 68-pin connector,see
Section 2.2.10.1, “Channel Switches,” discussed later in this
chapter.
Notice that the components on a PCI host adapter face the
opposite way from 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 Procedure2-5
Figure 2.2Inserting the Host Adapter
Bracket Screw
Step 8.The bracket around the connectors J3 and J7 (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.
2.2.3Connecting the SCSI Peripherals
SCSI bus connections to the LSIU40SE are made with an unshielded,
68 or 50-conductor ribbon cable (see Figure 2.3). One side of this cable
is marked with a color to indicate the pin-1 side. Sometimes the
connectors on this cable are keyed to ensure proper pin-1 connection.
2-6Installing the LSIU40SE
32-bit slots
64-bit slots
All external SCSI bus connections to the LSIU40SE 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.
Figure 2.3SCSI Cables
SCSI Cables for Internal Connections
SCSI Cable for Internal Connections
SCSI Cable for External Connections
50-pin High Density
50-pin Low Density
68-pin VHDCI
Important:You can connect up to 16 SCSI and Fast SCSI devices,
including the host adapter board, on a SE SCSI bus only if
they are at least .3 m apart on a 6-meter cable. For Ultra
SCSI, you can connect up to eight devices, including the
host adapter board, on a SE Ultra SCSI bus only if they are
evenly spaced on a 1.5-meter Ultra SCSI cable (0.19 m
between devices). You can connect up to four devices if
they are evenly spaced on a 3-meter Ultra SCSI cable
(0.75 m between devices). Your SE SCSI bus should not
exceed 3 meters (total internal and external cable lengths),
Detailed Installation Procedure2-7
even with fewer than four devices. The LSIU40SE
autotermination scheme is designed to operate properly
when plugging the end connector of the SCSI cables into
the LSIU40SE SCSI connectors.
If you connect the LSIU40SE in the middle of the bus, you
will incur improper termination since the switches are not
assigned on that bus correctly. Refer to Section 2.2.10.1,
“Channel Switches,” for more information.
2-8Installing the LSIU40SE
2.2.4Making 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 Wide SCSI device, plug the
68-pin connector on one end of a wide internal SCSI ribbon
cable into the connector J2 or J6 (see Figure 2.4).
Figure 2.4Internal Wide SCSI Ribbon Cable to Host Adapter
Connection
J2
J6
Detailed Installation Procedure2-9
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