Digital Equipment Prioris HX MP User manual

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Service
Maintenance
Manual
PRIORIS HX MP
Server
K-MN00000-03-JG00.A
Copyright Digital Equipment Corporation
All rights reserved
October 1995
NIJMEGEN
THE NETHERLANDS
MCS
LOGISTICS
ENGINEERING

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October 1995
The information in this document is subject to change without notice and should not be construed as a
commitment by Digital Equipment Corporation.
Digital Equipment Corporation assumes no responsibility for any errors that might appear in this document.
The software, if any, described in this document is furnished under a license and may be used or copied
only in accordance with the terms of such license. No responsibility is assumed for the use or reliability of
software or equipment that is not supplied by Digital Equipment Corporation or its affiliated companies.
Restricted Rights: Use, duplication, or disclosure by the U.S. Government is subject to restrictions as set
forth in subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS
252.227-7013.
Copyright Digital Equipment Corporation
All Rights Reserved
The following are trademarks of Digital Equipment Corporation:
PRIORIS and the Digital logo.
The following are third party trademarks:
MS-DOS and Windows and Windows NT and Windows NT Server are trademarks of Microsoft Corp.
Novell and Netware are trademarks of Novell, Inc.
SCO and Open Desktop are trademarks of The Santa Cruz Operation, Inc.
UNIX is a registered trademark of UNIX System Laboratories, Inc.
All other trademarks and registered trademarks are the property of their respective holders.
Created by:
MCS Logistics Engineering - Nijmegen
Printed in Ireland

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Table of Contents
PREFACE .............................................................................................................................................................7
CHAPTER 1 PRODUCT DESCRIPTION......................................................................................................9
PRODUCT INTRODUCTION .....................................................................................................................................9
PRODUCT MODELS INFORMATION .....................................................................................................................11
PRIORIS HX 5100MP Systems....................................................................................................................11
CHAPTER 2 SERVER UTILITIES & CONFIGURATION......................................................................13
SERVER UTILITIES ...............................................................................................................................................13
Introduction.....................................................................................................................................................13
PHLASH.EXE ................................................................................................................................................14
Using EPP3SMC.EXE ...................................................................................................................................14
CONFIGURING THE SERVER................................................................................................................................15
Introduction.....................................................................................................................................................15
Configuring Expansion Boards......................................................................................................................15
BIOS Setup Options .......................................................................................................................................15
SCU Diskette(s) ..............................................................................................................................................16
When to Run the SCU....................................................................................................................................16
Before Using the SCU....................................................................................................................................16
SCU Keyboard Function Keys ......................................................................................................................17
Starting and Using the SCU...........................................................................................................................17
Configure The Computer ...............................................................................................................................18
Adding ISA Expansion Boards......................................................................................................................19
Adding EISA Expansion Boards...................................................................................................................20
Adding PCI Expansion Boards......................................................................................................................20
Relocating Expansion Boards........................................................................................................................21
Deleting Expansion Boards............................................................................................................................21
Setting the Date and Time..............................................................................................................................22
Maintain the SCU Diskette ............................................................................................................................22
SCU and Setup Options..................................................................................................................................22
Main Menu Options........................................................................................................................................23
Memory and Cache Options ..........................................................................................................................23
Boot Options ...................................................................................................................................................24
Keyboard Features..........................................................................................................................................25
Integrated Peripherals.....................................................................................................................................25
PCI Devices.....................................................................................................................................................26
Advanced Chipset Control.............................................................................................................................27
Security Options .............................................................................................................................................28
CHAPTER 3 SERVICE PROCEDURES ......................................................................................................29
SAFETY REQUIREMENTS .....................................................................................................................................29
RECOMMENDED TOOLS.......................................................................................................................................30
Other Materials Needed..................................................................................................................................30
Special Tools Required ..................................................................................................................................30
Remedial Diagnostic Test Software ..............................................................................................................30

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Recommended Virus Detection and Cleanup Software............................................................................... 30
ECO/FCO INFORMATION ....................................................................................................................................31
BIOS Version Information.............................................................................................................................31
REMOVING THE SIDE PANEL............................................................................................................................... 31
SERVER COMPONENTS (LEFT SIDE)...................................................................................................................32
SERVER COMPONENTS (RIGHT SIDE)................................................................................................................33
EXPANSION SLOTS...............................................................................................................................................34
MAIN LOGIC BOARD JUMPERS ...........................................................................................................................35
Main Logic Board Jumper Settings...............................................................................................................35
Main Logic Board Jumper Locations............................................................................................................36
CPU MODULE JUMPER SETTINGS......................................................................................................................37
COMPUTER MEMORY CONFIGURATIONS .......................................................................................................... 39
Memory Module Configurations...................................................................................................................39
Dual Memory Module Configurations..........................................................................................................41
Memory Board SIMM Socket Locations......................................................................................................42
PART REMOVAL AND REPLACEMENT PROCEDURES ........................................................................................43
Removing the 3½-inch Diskette Drive..........................................................................................................43
Removing the CD-ROM Drive......................................................................................................................44
Removing the Main Logic Board..................................................................................................................45
Removing the Power Supply.........................................................................................................................46
Removing the Fan...........................................................................................................................................47
Removing the Optional Power Supply..........................................................................................................48
Removing a Half-Height 5¼-Inch Device from Top-Right Drive Bay ......................................................49
Replacing a Device Into the Hot-Swap Drive Bay.......................................................................................50
SBB LED Status Indicators............................................................................................................................51
SBB Status LEDs............................................................................................................................................51
Replacing the Battery/Real Time Clock (RTC)............................................................................................52
Removing and Replacing the Terminator Card............................................................................................53
Removing and Replacing a Memory Module ..............................................................................................54
Upgrading the CPU Module..........................................................................................................................55
Installing a Secondary Cache Module ..........................................................................................................56
MASS STORAGE DEVICES ...................................................................................................................................57
SCSI Configuration Guidelines.....................................................................................................................57
SCSI Configuration Utility ............................................................................................................................57
Connecting SCSI Devices..............................................................................................................................58
Storage Backplane.......................................................................................................................................... 58
SCSI Drive IDs...............................................................................................................................................59
SCSI ID Settings.............................................................................................................................................59
Single Channel SCSI and RAID Configuration...........................................................................................60
Dual Channel SCSI Bus Configuration (One Internal Channel and One External Channel)....................61
Dual Channel SCSI Bus Configuration (Two Internal Channels)...............................................................62
3-Channel RAID Configuration (Two Internal Channels and One External Channel)............................. 63
3-Channel RAID Configuration (All Internal Channels)............................................................................. 64
Using Multiple or Multi-Channel SCSI Host Adapters...............................................................................65
External SCSI Bus..........................................................................................................................................65
External SCSI Bus Guidelines.......................................................................................................................66

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CHAPTER 4 TROUBLESHOOTING............................................................................................................67
INITIAL TROUBLESHOOTING ...............................................................................................................................67
BEEP CODES .........................................................................................................................................................68
POST Execution Messages............................................................................................................................68
POST AND BOOT MESSAGES..............................................................................................................................69
SERVER TROUBLESHOOTING ..............................................................................................................................71
DISK DRIVE TROUBLESHOOTING .......................................................................................................................73
CD-ROM TROUBLESHOOTING ...........................................................................................................................74
MONITOR TROUBLESHOOTING ...........................................................................................................................74
QAPLUS/FE ADVANCED DIAGNOSTICS ............................................................................................................75
QAPlus/FE Error Messages ...........................................................................................................................76
CHAPTER 5 DEVICE MAPPING..................................................................................................................77
CPU I/O Address Map....................................................................................................................................77
CPU Memory Address Map...........................................................................................................................78
DMA Channel Assignment............................................................................................................................78
I/O Address Map.............................................................................................................................................78
PCI Configuration Space Address Map........................................................................................................79
Server Interrupt Levels...................................................................................................................................79
CHAPTER 6 PASS / FAIL CRITERIA..........................................................................................................81
APPENDIX A SERVICES NOTES.................................................................................................................83
RECOMMENDED TOOLS.......................................................................................................................................83
Other Needed Materials..................................................................................................................................83
Required Special Tools. .................................................................................................................................83
Remedial Diagnostic Test Software. .............................................................................................................83
Recommended Virus Detection and Cleanup Software...............................................................................83
ECO/FCO INFORMATION....................................................................................................................................83
BIOS version information..............................................................................................................................84
APPENDIX B USEFUL INFORMATION ....................................................................................................85
RELATED DOCUMENTATION ...............................................................................................................................85
ON-LINE BULLETIN BOARDS ..............................................................................................................................85
DOCUMENT FEEDBACK..............................................................................................................................87
PERSONAL NOTES.........................................................................................................................................89
READERS COMMENTS .........................................................................................................................................93

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Table of Figures
Figure 2 - 1 SCU Main Menu Options..............................................................................................................17
Figure 3 - 1 Unlocking and Removing the Side Panel..................................................................................... 31
Figure 3 - 2 Server Components (Left Side, Single or Dual Configuration Shown)..................................... 32
Figure 3 - 3 Server Components (Right Side) ..................................................................................................33
Figure 3 - 4 PRIORIS HX MP Server Expansion Board.................................................................................34
Figure 3 - 5 PRIORIS HX MP Main Board Jumper Locations.......................................................................36
Figure 3 - 6 CPU Module Jumper Settings.......................................................................................................38
Figure 3 - 7 SIMM Socket Locations and Bank Designations........................................................................42
Figure 3 - 8 Replacing the 3½-inch Diskette Drive.......................................................................................... 43
Figure 3 - 9 Removing the CD-Rom drive........................................................................................................44
Figure 3 - 10 Removing the main logic board..................................................................................................45
Figure 3 - 11 Removing the Power Supply.......................................................................................................46
Figure 3 - 12 Removing the Server Top Fan Assembly................................................................................... 47
Figure 3 - 13 Removing the Optional Power Supply.......................................................................................48
Figure 3 - 14 Removing a Half-Height 5¼-Inch Device from Top-Right Drive Bay....................................49
Figure 3 - 15 Replacing a Device Into the Hot-Swap Drive Bay....................................................................50
Figure 3 - 16 Replacing the Server Battery/Real Time Clock (RTC) .............................................................52
Figure 3 - 17 Removing a Terminator Card......................................................................................................53
Figure 3 - 18 Removing the Memory Module..................................................................................................54
Figure 3 - 19 Removing the CPU Module.......................................................................................................55
Figure 3 - 20 Installing a secondary Cache Module.........................................................................................56
Figure 3 - 21 Storage Backplane .......................................................................................................................58
Figure 3 - 22 Single Channel SCSI and RAID Bus..........................................................................................60
Figure 3 - 23 Dual Channel SCSI Bus Configuration (One Internal Channnel and One External Channel)61
Figure 3 - 24 Dual Channel SCSI Bus Configuration (Two Internal Channels)............................................62
Figure 3 - 25 3-Channel RAID Bus (Two Internal Channels and One External Channel)............................63
Figure 3 - 26 3-Channel RAID Bus (All Internal Channels) ...........................................................................64
Figure 3 - 27 Extrernal SCSI Bus Connections................................................................................................65
Figure 3 - 28 Connecting an External SCSI Storage Box................................................................................ 66

DigDigital PRIORIS HX MP Serverital PRIORIS HX MP Server PrefacePreface
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Preface
The Digital PRIORIS HX MP Service Maintenance Manual is a troubleshooting guide that can be used for
reference when servicing the PRIORIS HX MP Server series.
Digital Equipment Corporation reserves the right to make changes to the Digital PRIORIS HX MP Server
without notice. Accordingly, the diagrams and procedures in this document may not apply to the
computer(s) you are servicing since many of the diagnostic tests are designed to test more than one
product.
CAUTION
Digital recommends that only A+ certified engineers attempt to repair this
equipment. All troubleshooting and repair procedures are detailed to support
subassembly/module level exchange. Because of the complexity of the indivual
boards and subassemblies, no one should attempt to make repairs at
component level or to make modifications to any printed wiring board. Improper
repairs can create a safety hazard. Any indications of component replacement
or printed wiring board modifications may void warranty or exchange
allowances.

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Chapter 1 Product Description
Product Introduction
The PRIORIS HX MP Server family is a family of high-performance, highly-scaleable network and
application servers featuring the latest in modular CPU and storage technology. Developed using the
following state-of-the-art technology, the PRIORIS HX MP Servers are the most advanced servers in their
class.
The PRIORIS HX MP server family also provides investment protection through CPU upgrade technology.
This technology enables to easily upgrade to a higher-performance CPU by simply installing a new CPU
module or modules.
The PRIORIS HX MP server family provides the following features:
♦ CPU Module
Symmetrical multi-processing (SMP) Intel Pentium one (1P), two (2P), or four (4P) processor options
available. Operates using a 128-bit memory interface and one external, 512 KB burst write-back
cache modules per CPU. All modes support a 32-bit PCI interface.
♦ Memory Module
One or two memory modules available. 128-bit (single module) or 256-bit (dual modules) ECC
protected-memory data path using standard parity SIMMs. 16 SIMM sockets on a single memory
module capable of supporting 32 MB to 512 MB (up to 1 GB with two modules). Two-way (single
module) and four-way (dual modules) memory interleaving is provided for faster memory access.
♦ PCI SCSI Adapter
A dual-channel PCI Fast Wide SCSI adapter board occupies a single PCI option slot in base servers.
♦ PCI RAID Adapter
Single or three-channel PCI RAID adapter board in RAID-ready servers enable to manage data
distribution using multiple disk drives.
♦ Integrated Device Array Storage Bay
Supports up to seven 3½-inch, wide or narrow SCSI, hot-swap devices for configuring a mass storage
array using Storage Building Blocks (SBBs).

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♦ Expansion Slots
Five EISA slots, five PCI slots, and one shared EISA/PCI slot for a total of 11 slots for maximum
expandability.
♦ Onboard Video Controller
Onboard Cirrus 5428 video controller. 512 KB video RAM supporting 800 x 600 at 256 colors and
1024 x 768 at 16 colors.
♦ Redundant Fans and Power Supply
For added reliability, the server has redundant fans for cooling and the option to add a second power
supply or an additional fan.
♦ Operator Control Panel (OCP)
Back-lit, 16-character LCD display that shows power-on status messages each time the server boots.
The operator control panel can be lit by pressing a manual switch on the front bezel.
♦ Pedestal Cabinet
Optional floor-mounted pedestal cabinet available. This cabinet is modular with its own power
supply blowers and SCSI cable connectors.

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Product Models Information
PRIORIS HX 5100MP Systems
Model
CPU
Memory
Cache
HDD
Host Controller
CD-Rom
FR−−890WW−−AA Single
Pentium 32 MB ECC 512KB None Adaptec 2940W SCSI-2, 600 KB/sec
FR−−890WW−−AB Single
Pentium 32MB ECC 512KB None SCSI-2 RAID SCSI-2, 600 KB/sec
FR−−890WW−−AC Single
Pentium 32MB ECC 512KB 3 x 2GB, SBB SCSI-2 RAID SCSI-2, 600 KB/sec
FR−−891WW−−AA Two
Pentium 64MB ECC 512KB(1) None Adaptec 2940W SCSI-2, 600 KB/sec
FR−−891WW−−AB Two
Pentium 64MB ECC 512KB(1) None SCSI-2 RAID SCSI-2, 600 KB/sec
FR−−891WW−−AC Two
Pentium 64MB ECC 512KB(1) 3 x 2GB, SBB SCSI-2 RAID SCSI-2, 600 KB/sec
FR−−892WW−−AA Four
Pentium 128MB ECC 512KB(1) None Adaptec 2940W SCSI-2, 600 KB/sec
FR−−892WW−−AB Four
Pentium 128MB ECC 512KB(1) None SCSI-2 RAID SCSI-2, 600 KB/sec
FR−−892WW−−AC Four
Pentium 128MB ECC 512KB(1) 3 x 2GB, SBB SCSI-2 RAID SCSI-2, 600 KB/sec
(1) 512KB cache per processor.

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Chapter 2 Server Utilities & Configuration
Server Utilities
Introduction
This chapter explains how to use the CD-ROM disk and the Startup/Utility diskette to access the server
utilities and operating system-specific device drivers.
Use the CD-ROM disk to access the “Getting Started” program.
♦ SCSI, enables the server to operate using an Adaptec 2940 or 3940 SCSI controller.
♦ Mouse, enables the server to operate using a Logitech mouse.
♦ Video, enables the server to operate using the onboard Cirrus 5428 video controller.
Use the Startup/Utility diskette to:
♦ Run EPP3SMC.EXE for enhanced printer port capabilities.
♦ Access the “Getting Started” program on the CD-ROM disk if the server does not have an operating
system installed or an operating system other than Windows for Workgroups.
♦ Access the README.TXT file for the most current information on the server.

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PHLASH.EXE
All servers have BIOS software in a read-only, non-volatile memory (ROM) chip. This BIOS initializes
hardware and boots the operating system when the server is turned on. The BIOS also provides access to
other services such as keyboard and disk drives.
The server comes equipped with flash memory. This means that the server's BIOS can simply restored by
running the PHLASH.EXE utility. The server's BIOS can also be upgraded to future releases by running
PHLASH.EXE along with any flash BIOS update diskette, if necessary.
PHLASH.EXE and BIOS updates are available on the Digital Bulletin Board (BBS).
Using EPP3SMC.EXE
EPP3SMC.EXE is a device driver for configuring the parallel port as an enhanced parallel port (EPP).
Before loading this device driver, check the documentation for the device to be connected to the parallel
port and make sure it supports EPP mode. If it does not, this device driver does not need to be loaded.
If the device does support EPP mode:
1) Copy EPP3SMC.EXE from the Startup/Utility diskette to the hard disk drive.
Note the path where the driver is located.
2) Edit the CONFIG.SYS file to enter the path for EPP3SMC.EXE.
Refer to the DOS documentation for information on editing the CONFIG.SYS file. For example a
line in the CONFIG.SYS might be:
device=C:\epp3smc.exe
3) Save the new version of the CONFIG.SYS file.
4) Press [Ctrl] + [Alt] + [Del] to reboot the server.
5) Before POST completes, press [F2] to enter Setup.
6) Choose the Advanced Menu in Setup and select Parallel Port Mode.
7) Choose EPP mode.
8) Select Save Changes and Exit to save the new setting.
The server will then automatically reboot, the parallel port is now configured as an EPP port.

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Configuring The Server
Introduction
This chapter provides detailed information on how to configure the server when relocating, adding, or
removing EISA/ISA/PCI expansion boards and how to change the server’s factory-defined BIOS Setup
options.
The server was pre-configured at the factory using the System Configuration Utility (SCU). This means
that the server’s hardware (CPU, memory, cache, mass storage devices, expansion boards, etc.) has been
identified and configured for optimum performance. When necessary to make changes to this
configuration, Digital recommends to use the SCU along with the information provided in this chapter.
Configuring Expansion Boards
Each time an EISA/ISA/PCI expansion board is added, removed, or relocated, the SCU must be run to
identify their operating characteristics, server resource requirements, and slot locations. Based on this
information, the SCU will then automatically assign the proper server resources to EISA expansion boards
and provide information on what jumper or switch settings need to be manually set on ISA expansion
boards to avoid resource conflicts.
The SCU identifies an expansion board’s operating characteristics and resource requirements through
Configuration (.CFG) files. These files contain main logic board, EISA, PCI, and ISA expansion board
vital characteristics and the server resources they require for proper operation. When additional EISA, PCI,
or ISA expansion boards are installed, make sure to copy the CFG files (and overlays, if applicable)
supplied with the expansion boards, to the System Configuration Utility diskette before attempting to
configure the server.
If a configuration file is not available for a specific ISA expansion board, use the supplied generic ISA
expansion board configuration file. Note that this file will only supply basic ISA information and will not
identify potential resource conflicts or the correct jumper and switch settings. Use the documentation that
came with the ISA expansion board to properly configure it for use in the server.
BIOS Setup Options
Digital recommends to use the SCU (instead of the BIOS Setup utility) When a change of any of the setup
options listed at the end of this chapter is needed. These options may be accessed using “Step 3: View and
Edit Details” from the “Configure the Computer” menu.
NOTE
Although the BIOS Setup utility is separate from the SCU, the SCU will automatically
update the BIOS settings. In most cases, the server will operate according to the most
recent changes regardless of which utility has been used to make changes.
However, Digital recommends to use the SCU to configure the server each time you
add hardware, remove hardware, or change server settings to ensure that the server
operates properly.
As an added feature, the SCU creates and stores all setup changes in a System Configuration (SCI) file.
Afterwards, this SCI file can be used on any PRIORIS HX MP Server that is equally configured and can
serve as a backup to the EISA configuration stored in NVRAM memory. The SCI file is maintained on the
System Configuration Utility diskette and has a default name of SYSTEM.SCI.

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SCU Diskette(s)
The SCU comes with the server on five separate language diskettes. These diskettes contain the SCU
utility and the necessary files to configure expansion boards.
NOTE
Each time an EISA or ISA expansion board is added, it is important to copy all
associated .CFG files to the appropriate SCU diskette before attempting to configure
the server. The SCU needs this information to properly assign server resources and
to maximize overall server performance.
When to Run the SCU
Always run the SCU each time ISA and EISA expansion cards are added, removed, or relocated, so no two
boards use the same server resources (IRQs, I/O address, memory address, etc.).
For ISA expansion boards, run the SCU before adding, removing, or relocating. Running the SCU first can
identify and resolve resource conflicts, as well as indicate the proper switch settings to configure ISA
expansion boards.
For EISA and PCI expansion boards, run the SCU after adding, removing, or relocating. In this case, the
SCU will automatically assign the proper server resources to the EISA expansion boards so they will
operate correctly.
NOTE
If the server detects an expansion board configuration conflict, a warning message
appears directing you to run the SCU to correct the problem.
Before Using the SCU
Perform the following procedures before using the SCU:
1) Read any README files contained on the System Configuration Utility diskette(s) for additional
information.
2) Install any optional hardware, for example disk drives, EISA or PCI expansion boards, memory, etc.
3) Make a backup copy of the supplied System Configuration Utility diskette. Store the original in a
secure place and only use the backup copy when running the SCU. When unable to make a backup
copy, use the original diskette cautiously.
NOTE
It is recommended not to install the SCU or any of its utilities on a hard disk drive.
Running the SCU or any of its utilities from a hard disk drive might cause memory
conflicts between the SCU and application software. This specifically applies to
memory managers and Windows applications.

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SCU Keyboard Function Keys
The following table lists the keyboard function keys used to scroll through the menu screens, and select
specific menu items in the SCU.
Keyboard Key
Function
[
↓↓
]Moves the cursor down one menu item.
[
↑↑
]Moves the cursor up one menu item.
[
→→
]Moves the cursor one character to the right.
[
←←
]Moves the cursor one character to the left.
[Enter] Displays the available user-selectable settings for the highlighted option or
selects the highlighted menu item.
[F6] Displays available resources (IRQs, DMAs, I/O ports, or memory) for the
highlighted option.
[F10] Press [F10] to complete a step.
[F1] Displays the selected menu item's help screen.
[Esc] Returns the monitor screen to the previously selected menu item.
Starting and Using the SCU
Perform the following procedures to start and use the SCU options shown in Figure 2-1. If this is the first
time using the SCU, it is recommended to follow the procedures in the order given. If this is a subsequent
session, refer to the appropriate sections in this chapter to change the server’s configuration.
DEC00456
Maintain System
Configuration Diskette
Learn About Configuring
Your Computer
Set Time
Configure
Computer
Main Menu
Set Date
Welcome
Step 1: Important EISA Configuration
Step 2: Add or Remove Boards
Step 3: View or Edit Details
Step 4: Examine Required
Step 5: Save and
Create a Backup SCI
Load a Backup SCI
Copy/Update CFG Files
Copy/Update SCI Files
Delete CFG Files
Delete SCI
Return to the Main Menu
Figure 2 - 1 SCU Main Menu Options

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To start and use the SCU:
1) Turn on the server and allow the POST to complete.
If POST detects an error refer to Chapter 4, “Troubleshooting”, and take the appropriate steps to
correct the problem. After the problem has been resolved, restart the server.
2) Insert the backup System Configuration Utility diskette into drive A and then soft boot (reset) the
server. Press [Enter] and the SCU introductory screen appears.
NOTE
The SCU contains help pop-up screens for any selected menu item. Press [F1] at
anytime to display a help screen. Press [Esc] to remove a help screen.
3) Press [Enter] to display the SCU Welcome screen.
If no configuration errors appear, the Welcome screen displays information about the SCU. Press
[Enter] to display the Main menu and proceed to Step 5.
If a configuration error appears, the Welcome screen displays information about the error and tells to
reconfigure the server.
4) Press [Enter] to display the Main menu, select the Configure Computer option, then select the
View and Edit Details option.
5) Make any changes as indicated by the configuration error message, and then select the Save and
Exit option to end the SCU session and boot the server so the changes take effect.
6) If applicable, select the Learn About Configuring The Computer option to get familiar
with the SCU.
7) If applicable, set the current server time and date using the Set Time and Set Date menu
options.
8) Using the Maintain System Configuration Diskette option, copy the CFG files
supplied with any EISA or ISA expansion board.
9) Select the Configure Computer option to configure the server.
10) To end the SCU session select the Exit From This Utility option.
11) If applicable, install the operating system and any application software.
Configure The Computer
This option provides step-by-step instructions on how to configure the server when adding, removing, or
relocating expansion boards and when changing operating parameters (BIOS Setup options). When
accessing this menu item for the first time, it is recommended to follow the menu items listed below in the
order given. If this is a subsequent session, refer to the appropriate menu item to update the server’s
configuration.
Step 1: Important EISA Configuration Information
Selecting this menu item enables to display information screens describing basic EISA configuration
information and differences with ISA configurations. These screens are available at any time during the
configuration process by pressing [F1] and then by selecting EISA configuration from the help
menu.
Step 2: Adding or Removing Expansion Boards
Selecting this menu item enables to view the types of expansion boards installed in the server and the slots
they occupy. Note that the SCU will only display this information when the appropriate .CFG files are
copied onto the SCU diskette.

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If this the first time running the SCU, select this option to verify that the server has detected and
acknowledged all installed expansion boards. Afterwards, use this menu item each time any expansion
board has been added, removed, or relocated.
Step 3: View or Edit Details
This menu item enables to set BIOS Setup options through the .SCI file. Through this file, the server can
be setup and configured for new hardware, additional memory, passwords, I/O port allocation, etc. Note
that some options cannot be accessed. These options display information that reflect the actual hardware
installed in the server and cannot be changed.
To access this menu item:
1) Insert the backup System Configuration Utility diskette into drive A and then soft boot (reset) the
server.
2) Press [Enter] to display the SCU main menu and then [Enter] again to continue.
3) From the Configure The Computer menu, select "Step 3: View and Edit Details”.
4) Press [Enter] and change/update the appropriate server parameters following the instructions
displayed on the monitor screen.
5) Select "Step 5: Save and Exit," to save the configuration and exit the SCU.
Step 4: Examine Required Switches
This menu item enables to view settings (switches and jumpers) that need to be manually set and software
drivers that need to be installed. These recommendations must be followed exactly, otherwise the server
will not work properly.
To access this menu item:
1) Insert the backup System Configuration Utility diskette into drive A and then soft boot (reset) the
server.
2) Press [Enter] to display the SCU main menu and then [Enter] again to continue.
3) From the Configure The Computer menu, select "Step 4: Examine Required Switches”.
4) Press [Enter] to view how the server is configured following the instructions displayed on the monitor
screen.
5) Select "Step 5: Save and Exit," to save the current configuration and exit the SCU.
Step 5: Save and Exit
This menu item allows to exit the SCU program with or without saving the configuration settings.
When the changes are saved, the SCU saves the new configuration in the server’s NVRAM and in the .SCI
file on the SCU diskette. When the changes are canceled, you continue to use the SCU and make other
changes or exit without saving changes.
Adding ISA Expansion Boards
Perform the following steps to add ISA expansion boards to the server configuration:
1) Insert the backup System Configuration Utility diskette into drive A and then soft boot (reset) the
server.
2) From the Configure The Computer menu, select "Step 2: Adding and Removing Boards," and
update the list of expansion boards and options to include any ISA expansion boards to be installed in
the server.
3) Select "Step 4: Examine Required Switches," to check the required switch and jumper settings of the
ISA expansion boards.
4) Select "Step 5: Save and Exit," to save the configuration and exit the SCU.
5) Turn off the server and install the ISA expansion boards, manually setting the necessary switches and
jumpers.

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Adding EISA Expansion Boards
Perform the following steps to add EISA expansion boards to the server configuration:
1) Turn off the server and install the EISA expansion boards.
2) Insert the backup System Configuration Utility diskette into drive A and then soft boot (reset) the
server.
After the server boots, the following message appears:
EISA Configuration Error - Run Configuration Utility
This indicates that the EISA configuration changed since the last time the configuration was saved.
3) Press [Enter] to display the SCU main menu and then [Enter] again to continue.
The SCU requests to load all appropriate .CFG files for the newly installed EISA expansion boards.
Afterwards, the SCU displays the Configure The Computer menu.
4) From the Configure The Computer menu, select "Step 3: View or Edit Details," to verify that
all EISA expansion boards were installed and configured correctly.
5) Select "Step 5: Save and Exit," to save the configuration and exit the SCU.
NOTE
An EISA expansion board might require an IRQ to be set. If so, select that board and
choose an IRQ from the list provided. This list displays IRQs that are either not
assigned or can be re-assigned. If an IRQ is selected that conflicts with another
expansion board in the server, a menu appears providing information of the expansion
board that is in conflict, its current settings, and the settings that will change if you
choose to set that IRQ.
Adding PCI Expansion Boards
CAUTION
Before installing a PCI video expansion board, make sure the appropriate PCI slot
options group is enabled. Failure to do so might cause the server to operate
incorrectly.
Perform the following steps to add PCI expansion boards to the server configuration:
1) Turn off the server and install the PCI expansion boards. Note which slots the PCI expansion boards
were installed into.
2) Insert the backup System Configuration Utility diskette into drive A and then soft boot (reset) the
server.
3) Press [Enter] to display the SCU welcome screen and then [Enter] again to continue.
4) From the Configure The Computer menu, select "Step 3: View or Edit Details”.
5) Highlight the appropriate PCI slot Options Group for each installed PCI expansion board
and then select Enable Device to configure the server.
If an IRQ needs to be assigned for an installed PCI expansion board, select PCI Interrupt and
set it to One IRQ Required.
Press [F6] to display the IRQ currently assigned and + or - to scroll through the remaining un-
assigned IRQs to select the desired one.
6) Select "Step 5: Save and Exit," to save the configuration and exit the SCU.

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NOTE
At any time you can view IRQ, DMA, and memory assignments while in the SCU by
selecting [F7], the
“
View Additional System Information
”
menu. From this menu, select
either Used Resources or Available Resources.
When a PCI video expansion board has been installed, the server will automatically
disable the onboard video controller and use the installed PCI video expansion board.
Make sure to switch the video signal cable from the onboard video connector to the
connector on the PCI video expansion board.
Relocating Expansion Boards
Perform the following steps before relocating an ISA expansion board and after relocating an EISA or PCI
expansion board:
1) Insert the backup System Configuration Utility diskette into drive A and then soft boot (reset) the
server.
2) Press [Enter] to display the SCU main menu and then [Enter] again to continue.
3) From the Configure The Computer menu, select "Step 2: Adding and Removing Boards”.
4) Highlight the expansion board to be relocated, press [Enter], and then follow the instructions
displayed on the monitor screen.
5) Select "Step 5: Save and Exit," to save the configuration and exit the SCU.
If there are no resource conflicts, the new configuration information is saved to the .SCI file. If there is a
conflict, resolve it before completion of the server’s configuration.
Deleting Expansion Boards
Perform the following steps before deleting an ISA expansion board and after deleting an EISA or PCI
expansion board.
NOTE
Also remove the deleted expansion board’s .CFG file from the SCU.
1) Insert the backup System Configuration Utility diskette into drive A and then soft boot (reset) the
server.
2) Press [Enter] to display the SCU main menu and then [Enter] again to continue.
3) From the Configure The Computer menu, select "Step 2: Adding and Removing Boards”.
4) Highlight the expansion board to be deleted, press [Enter], and then follow the instructions displayed
on the monitor screen.
5) Select "Step 5: Save and Exit," to save the configuration and exit the SCU.
If there are no resource conflicts, the new configuration information is saved to the .SCI file. If there is a
conflict, resolve it before completion of the server’s configuration.

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Setting the Date and Time
Use these two SCU options to reset the date and time maintained by the server’s battery. Note that it might
be faster to change the date and time using the BIOS Setup options.
To access this menu item:
1) Insert the backup System Configuration Utility diskette into drive A and then soft boot (reset) the
server.
2) Press [Enter] to display the SCU main menu.
3) Configure the server for the current date and time by selecting the Set Date and Set Time
options.
Maintain the SCU Diskette
Select this option to maintain Configuration (CFG) files and System Configuration Information (SCI) files.
The following menu options are available:
♦ Create a backup SCI file
♦ Load a backup SCI file
♦ Copy/update CFG files
♦ Copy/update SCI files
♦ Delete CFG files
♦ Delete SCI files
♦ Return to the Main Menu
To access this menu item:
1) Insert the backup System Configuration Utility diskette into drive A and then soft boot (reset) the
server.
2) Press [Enter] to display the SCU main menu.
3) Highlight the appropriate Maintain the SCU Diskette option, Press [Enter], and then follow
the instructions displayed on the monitor screen.
SCU and Setup Options
The following tables list the options that are available in the BIOS Setup utility and in the SCU (View or
Edit details). Use the keyboard function keys to help select options, change values, and display help
information.
NOTE
Although the BIOS Setup utility is separate from the SCU, the SCU will automatically
update the BIOS settings. In most cases, the server will operate according to the most
recent changes regardless of which utility has been used to make changes.
However, Digital recommends to use the SCU to configure the server each time you
add hardware, remove hardware, or change server settings to ensure that the server
operates properly.
Also, the following menu fields might not reflect current BIOS or SCU revisions. Refer
to the BIOS Setup utility screens, the SCU, and any associated on-line help for more
information.
When access to the BIOS Setup utility is needed:
1) Reboot the server.
2) After the POST has successfully completed, press [F2] to access Setup.