Dell PowerEdge 8450 Technical manual

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support.dell.com
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INFORMATION UPDATE
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Information in this document is subject to change without notice.
© 2000—2001 Dell Computer Corporation. All rights reserved.
Reproduction in any manner whatsoever without the written permission of
Dell Computer Corporation is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, PowerEdge, and Dell OpenManage are trade-
marks of Dell Computer Corporation; Intel and Pentium are registered trademarks of Intel Corpo-
ration.
Other trademarks and trade names may be used in this document to refer to either the entities
claiming the marks and names or their products. Dell Computer Corporation disclaims any propri-
etary interest in trademarks and trade names other than its own.
February 2001 P/N 512UE Rev. A03
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support.dell.com Information Update 1-1
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Dell™ PowerEdge™ 8450 Systems
Information Update
This document provides updated information on the following topics for
Dell PowerEdge 8450 systems:
•Messages and error codes
•WakeUp On LAN
•Peripheral Component Interconnect (PCI) expansion cards
•Rack installation document
•Jumpers, switches, and connectors
•Integrated small computer system interface (SCSI) controller
•Multiple PowerEdge Expandable RAID Controller II (PERC2) cards and
Dell Diagnostics
•Microprocessor replacement
•Microprocessor speed
•Operating system clock setting and system event log
•Diskette-based diagnostics
•Basic input/output system (BIOS) version requirements
Messages and Error Codes
The Dell PowerEdge 8450 Systems Service Manual contains a complete system
message and error codes listing (including beep codes). The information in the
Service Manual supersedes similar information found in the Installation and Trouble-
shooting Guide.

1-2 Information Update
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Fault-Resilient Booting
Fault-resilient booting is a system feature that provides an alert error message during
the system’s power-on self-test (POST) if an error is detected. If an error condition
occurs, the system stops booting, and provides the option to resume booting or to
enter setup. The following is an example of an alert error message:
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See your system’s Installation and Troubleshooting Guide or contact Dell technical
support before pressing <F1> or <F2>.
WakeUp On LAN
WakeUp On LAN is enabled only when the system is turned on for the first
time either locally using the front panel power switch or remotely via the
Dell OpenManage™ Remote Assistant Card version 2 (DRAC 2) server management
adapter. If the system is later powered down, WakeUp On LAN remains active as
long as AC power is applied to the system.
When the system is off (powered down) and AC power is lost or the power cord is
removed, WakeUp On LAN is disabled. When AC power is restored, the system must
be manually turned on using the front panel switch (or remotely, with the DRAC 2, if
installed) to activate WakeUp On LAN.
If AC power is lost when the system is powered on and running, when AC power is
restored, the computer completely powers up and self-boots, and WakeUp On LAN is
automatically reactivated.
PCI Expansion Cards
When installing expansion cards with the Emergency Management Port (EMP)
remote console feature enabled (by pressing <F2> during the boot process to enter
the BIOS setup), option ROM space is restricted to 64 kilobytes (KB). If the remote
console feature is disabled, 80 KB of option ROM space may be used. EMP is not
presently supported on the PowerEdge 8450 system. Multiple PERC2 cards are sup-
ported in the PowerEdge 8450 system. However, the EMP remote console feature
must be disabled when any PERC2 card is present.

support.dell.com Information Update 1-3
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Rack Installation Document
A Dell PowerEdge 8450 Systems Rack Installation Guide is provided with each
PowerEdge 8450 rack kit. Use this document to install the system into a rack cabinet.
This guide supersedes instructions contained in the Installation and Troubleshooting
Guide.
Jumpers, Switches, and Connectors
This section updates jumpers, switches, and connectors information found in the
Installation and Troubleshooting Guide.
•There are two additional entries for the table titled “I/O Board Connectors and
Sockets”:
PHP —PCI hot-pluggable slot indicator LEDs
IDE —CD-ROM drive connector (via the SCSI backplane board)
•The system configuration switch on the I/O board is either a red switch block
labeled “Open”or a blue switch block labeled “On.”Table 1-1 shows the possi-
ble settings for these switches. In the Settings column, Open/Off means Open
or Off, and Closed/On means Closed or On, depending on the switch block that
is installed in your system.
Table 1-1. System-Board Switch Settings
Switch
Position Function Setting Description
1 Reserved Open/Off Reserved (do not change).
2BIOS
recovery
Open/Off
Closed/On
The normal BIOS boot sector is used at
system boot (default).
The recovery boot sector is used at sys-
tem boot.
3 Reserved Open/Off Reserved (do not change).
4 Reserved Open/Off Reserved (do not change).
5CMOS
clear
Open/Off
Closed/On
The configuration settings are retained at
system boot (default).
The configuration settings are cleared at
next system boot. (If the configuration
settings become corrupted to the point
where the system won't boot, change the
switch setting and boot the system. Reset
the switch to Closed/On before restoring
the configuration information.)

1-4 Information Update
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Integrated SCSI Controller
The vendor of the integrated SCSI controller device on the I/O board is identified as
Symbios or LSI. Because LSI purchased Symbios, both vendor names are correct and
synonymous.
Multiple PERC2 Cards and Dell Diagnostics
When two or more PERC2 cards are installed in the PowerEdge 8450 system, only up
to two may be viewed or tested at any given time. The following steps are required to
view and test the selected PERC2 cards with the Dell Diagnostics:
1. During the boot process, press <F2> to enter the BIOS Setup menu.
2. Select Advanced.
3. Select PCI Configuration.
A list of PCI slots is displayed, starting with PCI Embedded SCSI, PCI Slot 1, PCI
Slot 2, and so on.
4. Select the PCI slots (maximum of two) containing the PERC2 cards that are to be
viewed.
Ensure that the Option ROM Scan selection for these cards is set to Enabled
(the default).
Make a note of the two PCI slot numbers that the PERC2 cards occupy. Later,
Dell Diagnostics will refer to the controllers as card 0 and card 1, with card 0
assigned the lowest-numbered PCI slot.
For example, if the PERC2 cards being viewed are installed in PCI slots 2 and 4,
Dell Diagnostics displays information for card 0 (the PERC2 card in PCI slot 2)
and for card 1 (the PERC2 card in PCI slot 4).
5. Set the Option ROM Scan for all other PCI slots to Disabled. Also, from the list,
disable the PCI Embedded SCSI controller.
6 Password
clear
Open/Off
Closed/On
The password feature is enabled (default).
The password is cleared at next system
boot.
7PCIhot-
plug
switch
Open/Off
Closed/On
Enable PCI hot-plug switches (default).
Disable PCI hot-plug switches.
8 Reserved Open/Off Reserved (do not change).
Table 1-1. System-Board Switch Settings (continued)
Switch
Position Function Setting Description

support.dell.com Information Update 1-5
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6. Press <F10> to save these settings and exit the BIOS setup utility. Upon exiting,
the system will reboot.
7. Run the Dell Diagnostics to obtain information and perform testing on the PERC2
cards selected in step 4.
8. Upon completion of testing, if additional PERC2 adapter cards are installed, those
cards may be viewed and tested by rebooting and performing steps 1 through 7.
Microprocessor Replacement
Microprocessor latches are intended to provide removal and initial insertion assistance.
To complete the removal of a microprocessor, initially use the latch to partially
remove a microprocessor from its socket. Then grasp the microprocessor and heat
sink assembly with both hands and lift it up and out of its socket and guide bracket.
To complete the insertion of a microprocessor, firmly press the microprocessor into
its socket until it is completely seated and the latch closes freely.
Microprocessor Speed
The Dell PowerEdge 8450 Systems User’s Guide states that the system supports
microprocessors with an internal operating frequency of 500 MHz. However, it should
be noted that microprocessors with internal operating frequencies of 800 MHz or
higher are supported.
Setting Microprocessor Speed Jumpers
When changing or upgrading microprocessors, you must verify that the microproces-
sor speed jumper settings are correctly configured for the new microprocessors. See
the system information label and Appendix A of your system’s Installation and Trouble-
shooting Guide for a list of processor speeds and the corresponding jumper settings.
For microprocessors operating at internal speeds faster than those listed, use the
speed jumper setting for the fastest microprocessor listed.
Operating System Clock Setting and
System Event Log
If the system clock setting within the operating system is changed or updated, you
should reboot the system if you require accurate time-stamping of system log events.
Otherwise, any system events that are logged after the time change will be time-
stamped with respect to the original time setting. Event log time stamps will not be ref-
erenced to the new time setting until the system is rebooted.
There are no other issues associated with changing the system time; if the accurate
time-reporting of system events is not a concern, rebooting is not required.

1-6 Information Update
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Diskette-Based Diagnostics
You can run the Dell Diagnostics from a hard-disk drive utility partition or from dis-
kettes. When using diskette-based diagnostics, observe the following precautions:
•Ensure that the Dell Diagnostics diskette number 4 is not write protected.
•Ensure that the Dell Diagnostics diskette number 4 remains in the drive through-
out the duration of the diagnostics testing.
Failure to take these precautions will cause the diagnostics to fail.
BIOS Version Requirements
Systems with the newer versions of the Intel®Pentium®III microprocessors
(700 MHz, 750 MHz, 800 MHz, or higher speeds) require a system setup program
BIOS A03 or a later version. If you download and flash an A01 or an A02 BIOS, your
system may not operate. To recover a system BIOS, see “Recovering the BIOS”in
your Dell PowerEdge 8450 Systems User’s Guide.

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