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Compaq 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter Installation Guide
Second Edition (July 2000)
Part Number 154060-002
Contents
About This Guide
Text Conventions........................................................................................................vi
Symbols in Text.........................................................................................................vii
Symbols on Equipment..............................................................................................vii
Getting Help ............................................................................................................ viii
Compaq Technical Support .............................................................................. viii
This guide is designed to be used as step-by-step instructions for installation
and upgrades to the Compaq StorageWorks 64-Bit/66 MHz Single Channel
Wide Ultra3 SCSI Adapter.
WARNING:
hazardous energy levels, only authorized service technicians should attempt to
install this equipment. Consult the Safety Information and user documentation
provided with your computer before attempting this installation.
Many servers and workstations are capable of producing energy levels that are
considered hazardous and are only intended to be serviced by qualified
personnel trained in dealing with these hazards. Do
attempt to bypass any interlocks that may be provided for the purpose of
removing these hazardous conditions.
To reduce the risk of personal injury from electrical shock and
remove enclosures or
not
vi Compaq 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter
Text Conventions
This document uses the following conventions to distinguish elements of text:
Keys
USER INPUT
FILENAMES
Menu Options,
Command Names,
Dialog Box Names
COMMANDS,
DIRECTORY NAMES,
and DRIVE NAMES
TypeWhen you are instructed to
EnterWhen you are instructed to
Keys appear in boldface. A plus sign (+) between
two keys indicates that they should be pressed
simultaneously.
User input appears in a different typeface and in
uppercase.
File names appear in uppercase italics.
These elements appear in initial capital letters.
These elements appear in uppercase.
the information
the information and then press the
without
pressing the
information, type
type
Enter
information, type
enter
Enter
key.
key.
Symbols in Text
These symbols may be found in the text of this guide. They have the following
meanings.
About This Guide vii
WARNING:
in the warning could result in bodily harm or loss of life.
CAUTION:
could result in damage to equipment or loss of information.
IMPORTANT:
instructions.
Text set off in this manner presents commentary, sidelights, or interesting points
NOTE:
of information.
Text set off in this manner indicates that failure to follow directions
Text set off in this manner presents clarifying information or specific
Symbols on Equipment
These icons may be located on equipment in areas where hazardous conditions
may exist.
Any surface or area of the equipment marked with these symbols
indicates the presence of electrical shock hazards. Enclosed area
contains no operator serviceable parts.
WARNING:
do not open this enclosure.
Text set off in this manner indicates that failure to follow directions
To reduce the risk of injury from electrical shock hazards,
Any RJ-45 receptacle marked with these symbols indicates a Network
Interface Connection.
WARNING:
the equipment, do not plug telephone or telecommunications
connectors into this receptacle.
To reduce the risk of electrical shock, fire, or damage to
viii Compaq 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter
Any surface or area of the equipment marked with these symbols
indicates the presence of a hot surface or hot component. If this
surface is contacted, the potential for injury exists.
WARNING:
the surface to cool before touching.
To reduce the risk of injury from a hot component, allow
Power Supplies or Systems marked with these symbols
indicate the equipment is supplied by multiple sources of
power.
Getting Help
If you have a problem and have exhausted the information in this guide, you
can get further information and other help in the following locations.
Compaq Technical Support
You are entitled to free hardware technical telephone support for your product
for as long you own the product. A technical support specialist will help you
diagnose the problem or guide you to the next step in the warranty process.
In North America, call the Compaq Technical Phone Support Center at
1-800-OK-COMPAQ
Outside North America, call the nearest Compaq Technical Support Phone
Center. Telephone numbers for world wide Technical Support Centers are
listed on the Compaq website. Access the Compaq website at
http://www.compaq.com
WARNING:
remove all power cords to completely disconnect power from
the system.
1
. This service is available 24 hours a day, 7 days a week.
To reduce the risk of injury from electrical shock,
.
1
For continuous quality improvement, calls may be recorded or monitored.
Be sure to have the following information available before you call Compaq:
Technical support registration number (if applicable)
■
Product serial number (s)
■
Product model name(s) and numbers(s)
■
Applicable error messages
■
Add-on boards or hardware
■
Third-party hardware or software
■
Operating system type and revision level
■
Detailed, specific questions
■
Compaq Website
The Compaq website has information on this product as well as the latest
drivers and Flash ROM images. You can access the Compaq website at
http://www.compaq.com
About This Guide ix
.
Compaq Authorized Reseller
For the name of your nearest Compaq Authorized Reseller:
In the United States, call 1-800-345-1518.
■
In Canada, call 1-800-263-5868.
■
Elsewhere, see the Compaq website for locations and telephone
■
numbers.
Chapter
1
Introduction
Features
The Compaq 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter
contains one low voltage differential (LVD) SCSI channel that interfaces
directly between the server Peripheral Component Interface (PCI) Local Bus
and up to 15 SCSI devices. The adapter supports industry-standard interfaces
and protocols. The 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter
can be used with all SCSI devices, including Wide Ultra3 SCSI, Wide Ultra2
SCSI, Wide-Ultra SCSI-3, Fast-Wide SCSI-2, and Fast-SCSI-2 devices.
Standard features of the 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI
Adapter:
Supports universal 32-bit PCI and universal 64-Bit PCI
■
Supports 33 MHz PCI and 66 MHz PCI
■
Supports Wide Ultra3 SCSI, a 16-bit, 40 MHz bus that provides a 160
■
MB/s data transfer rate
Automatically detects and communicates with Wide Ultra3 SCSI, Wide
■
Ultra2 SCSI, Wide-Ultra SCSI-3, Fast-Wide SCSI-2, and Fast-SCSI-2
devices
Contains one 68-pin Wide LVD SCSI internal connector that supports
Contains one 68-pin wide SCSI external connector that supports Wide
■
Ultra3 SCSI, Wide Ultra2 SCSI, Wide-Ultra SCSI-3, and Fast-Wide
SCSI-2
Contains one 50-pin narrow SCSI internal connector to support legacy
■
devices
Wide Ultra3 SCSI Support
The 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter provides
64-Bit PCI bus master operation and SCSI data transfer rates of up to 160
MB/s, provided that all components are Wide Ultra3 capable. This
combination allows high throughput in many network application
environments, including resource-sharing, database-servicing, and
high-performance backup solutions.
The adapter also supports tagged command queuing, which allows SCSI hard
drives to queue and sort multiple commands, then execute those commands
simultaneously.
The 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter complies with
ANSI SCSI-3 standards, supporting Wide Ultra3 SCSI, Wide Ultra2 SCSI,
Wide-Ultra SCSI-3, Fast-Wide SCSI-2, and Fast-SCSI-2 devices. The
64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter can support several
different SCSI devices at one time.
PCI
The 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter interface to the
server processor is the PCI local bus. The PCI bus is a high-performance,
64-bit bus with multiplexed address and data lines. The PCI bus provides a
high-speed (up to 528 MB/s) path between the system unit and peripherals.
Peripheral devices, such as Wide Ultra3 SCSI adapters, benefit the most from
the high I/O performance of the PCI bus.
The 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter is
backward- compatible in a 32-bit/33 MHz or 64-bit/33 MHz PCI slot.
The 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter is a PCI bus
master device and conforms to Rev. 2.1 and 2.2 of the PCI Local Bus
Specification.
SCSI Connectors
The 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter has the
following connectors:
Introduction 1-3
1
4
Figure 1-1. 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter
Internal 50-pin Narrow SE SCSI legacy connector at J4 (cannot be
1
used simultaneously with 4)
TE (Termination Enable) SEC jumper at J6 (should be jumpered)
2
TE (Termination Enable) PRI jumper at J2 (should be left open)
3
Internal 68-pin Wide SE SCSI legacy connector at J5 (cannot be used
4
simultaneously with 1)
Internal 68-pin Wide LVD/SE SCSI connector at J3
5
External 68-pin Wide LVD/SE SCSI connector at J1
6
2
3
5
6
The external connector is a standard wide SCSI connector. It is mounted on
the slot panel and accessible through the back of the server. Screwlocks are
provided for securing external SCSI cables to the standard Wide SCSI
connectors.
IMPORTANT:
devices (including LVD devices) will run at the reduced performance level of an SE device.
If an SE SCSI device is connected to this controller, any other connected
The 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter contains one
SCSI bus that support up to 15 peripherals. The SCSI bus has internal and
external connectors. Peripherals on the bus must have a unique SCSI ID
ranging from 6 to 0, then 15 to 8, with 6 being the highest priority and 8 being
the lowest priority. SCSI IDs on all peripherals must be either manually set
with switches or jumpers on the device itself, or automatically set on Compaq
products that support hot-pluggable drives. The SCSI IDs determine the
priority of the peripheral device when attempting to access the SCSI bus. The
server assigns the SCSI adapter to the highest priority by setting the ID of the
adapter to 7.
Multiple Adapter Installation
The following considerations apply when you install more than one
64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter:
Each adapter has one SCSI bus with isolated LVD and SE connectors.
■
Each adapter supports one set of unique SCSI Ids (from 6 to 0, 15 to 8).
■
Each peripheral on a bus must be assigned its own unique ID.
SCSI Termination
All SCSI buses require termination on both ends of the bus to prevent signal
degradation. The 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter
supplies the termination on the adapter end of the SCSI bus. Hot plug drives
do not require terminators on the ribbon cable, because terminators are
included on the drive backplane. Non-hot plug internal drives require
terminators on the ribbon cable. Individual SCSI devices in Compaq servers
should not contain bus termination.
Wide Ultra3 and Wide Ultra2 require multi-mode or LVD-only terminators
(rather than SE only terminators used with Wide-Ultra SCSI-3, Fast-Wide
SCSI-2, and Fast-SCSI-2).
External SCSI buses must also be terminated. This termination is supplied in
Compaq external storage systems. Individual SCSI devices in Compaq storage
systems should not contain bus termination.
Introduction 1-5
SCSI Cables
Cables are provided with most Compaq server products that require cabling. If
you find that you need an additional cable or that one was not provided with
your server product, you can order the necessary cables from your local
Compaq Reseller or authorized Compaq Service Provider. See Table 1-1 for
external cable option kit part numbers.
VHDCI to Wide SCSI 6 foot341176-B21295644-B21
VHDCI to Wide SCSI 12 foot341177-B21295645-B21
Wide SCSI to Wide SCSI 6 foot313375-001
CAUTION:
the system board of the server must be terminated at all times. If you are using
the 64-Bit/66 MHz Single Channel Wide Ultra3 SCSI Adapter to replace the
integrated controller, you should leave a terminated SCSI ribbon cable
connected to the system board, even if there are no SCSI devices attached to
this cable.
To prevent boot error messages, the integrated SCSI controller on
Table 1-1
Compaq External Cable Option Kit Part Numbers
Cable Option KitPart NumberAlternate Part Number
Wide SCSI to Wide SCSI 12 foot313375-002
NOTE:
An internal 68-pin to 50-pin SCSI adapter (part number 199618-001) is also
available.
If the option kit part number for the cable you need is not listed here, or for
additional ordering information, refer to the Compaq website at
www.compaq.com
.
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