Dell PowerEdge 500SC User manual

Dell
Brand
Dell
Model
PowerEdge 500SC
Category
Computer case parts
Type
User manual
Dell™PowerEdge™500SCSystemsServiceManual
System Overview
Basic Troubleshooting
Codes and Error Messages
Removing and Replacing Parts
Jumpers and Connectors
Using the System Setup Program
Information in this document is subject to change without notice.
©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, PowerEdge, and Dell OpenManage are trademarks of Dell Computer Corporation; Microsoft, MS-DOS, Windows, and Windows NT are registered
trademarks of Microsoft Corporation; Intel and Pentium are registered trademarks, and Celeron is a trademark of Intel Corporation; IBM is a registered trademark of International
Business Machines Corporation; and Novell and NetWare are registered trademarks of Novell, Inc.
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 proprietary interest in trademarks and trade names other than its own.
Initial release: 31 Jul 2001
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Basic Troubleshooting
Dell™PowerEdge™500SCSystemsServiceManual
Overview
This section describes basic troubleshooting procedures that can help you diagnose a system problem. These procedures can often reveal the source of a
problem or indicate the correct starting point for servicing the system.
A brief explanation of how to load and start the system diagnostics can be found in "Running the System Diagnostics."
We recommend that you perform the following procedures in the order presented.
Initial User Contact
When you first contact a user who has a problem, ask the user to describe the problem and the conditions under which it occurs. After the user describes the
problem, perform the following steps:
1. Ask the user to back up any data on the hard drive if the system’s condition permits. See the documentation provided with the operating system or
applications software for information about backing up data.
2. Ask the user to try to duplicate the problem by repeating the operations he or she was performing at the time the problem occurred.
If the user can not duplicate the problem, proceed to "External Visual Inspection."
3. Observe the user to determine if he or she is making an error, such as typing an incorrect key combination or entering a command incorrectly.
If the problem is a result of user error, instruct the user in the proper procedure or direct the user to the appropriate user documentation for the correct
procedure. If the user is performing the procedure correctly, proceed to "External Visual Inspection."
External Visual Inspection
Improperly set switches and controls and loose or improperly connected cables are the most likely source of problems for the system, monitor, or other
peripherals (such as a printer, keyboard, mouse, or other external equipment). A quick check of all the switches, controls, and cable connections can easily
solve these problems.
The external visual inspection consists of a quick inspection of the exterior of the system, the monitor (if attached), the keyboard (if attached), any peripherals,
and cables. While performing the visual inspection, make any necessary corrections. To perform the external visual inspection, perform the following steps.
1. Inspect the front panel LEDs for indication of component malfunction.
2. Turn off the system, the monitor (if attached), and all peripherals.
3. Verify that all power cables are properly connected to the system, the monitor and peripherals, and their power sources.
4. Inspect connections to any attached devices including network cables, keyboard, monitor, mouse (if used), or keyboard/video monitor/mouse (KVM)
switch (if used), as well as any devices attached to the parallel and serial ports.
5. Inspect all external monitor controls for any obvious damage or improper settings (if used). For proper settings of the video monitor controls, see the
documentation for the monitor.
6. Inspect the keyboard (if used) to ensure that no keys are sticking. If one or more keys are sticking, it may be necessary to replace the keyboard.
7. Inspect the exterior of the system, including all controls and indicators, and all user-accessible data storage devices for any signs of physical damage.
If the inspection reveals any problems, proceed to the appropriate procedure in "Removing and Replacing Parts." Proceed to "Observing the Boot
Routine," if the inspection does not reveal any problems.
Observing the Boot Routine
After you have performed an external visual inspection as described in "External Visual Inspection," you should boot the system and, while the boot routine is
running, observe the system for any indications of problems.
To perform the following procedure, you need a set of system diagnostics diskettes created from the Dell OpenManage Server Assistant CD.
Overview
Internal Visual Inspection
Initial User Contact
Running the System Diagnostics
External Visual Inspection
Getting Help
Observing the Boot Routine
NOTE: Most of the steps in this procedure require observation of system functions and indications, some of which can occur simultaneously. It may be
necessary to reboot the system several times to complete all of these steps.
To observe problem indications during the boot routine, perform the following steps:
1. If the system is off, turn on all peripherals and the system.
2. Insert the bootable system diagnostics diskette into the diskette drive and reboot the system. If you haven't created your set of diagnostics diskettes,
see "Using the Dell OpenManage Server Assistant CD," in the User's Guide.
3. Check the power supply fan.
If the fan is not operating properly, troubleshoot the system power supply.
4. Watch the <Num Lock>, <Caps Lock>, and <Scroll Lock> indicators on the upper-right corner of the keyboard. After all three indicators flash
momentarily,andfollowingalongpause(approximately30seconds),the<NumLock>indicatorshouldlightupandremainon(unlesstheNum Lock
option is set to Off in the System Setup program).
If these indicators do not flash on and off within approximately 10 seconds after the boot routine starts, troubleshoot the system power supply. If the
troubleshooting procedure indicates that the system power supply is operational, troubleshoot the memory.
5. During the boot routine, observe the system for any of the following indications:
¡ Beep codes — A beep code is a series of beeps that indicates an error condition. See "System Beep Codes."
¡ System error messages — These messages can indicate problems or provide status information. If a system error message appears, see "System
Messages."
¡ Diskette-drive and hard drive access indicators — These indicators light up in response to data being transferred to or from the drives. If either of
these indicators fails to light up during the boot routine, troubleshoot the diskette drive or hard drive subsystem, as appropriate.
6. Observe the monitor screen for the Diagnostics menu.
If the Diagnostics menu appears, see "Running the System Diagnostics."
7. Insert another copy of the system diagnostics disketteintothediskettedrive,andrebootthesystem.
If the Diagnostics menu appears, see "Running the System Diagnostics." If the Diagnostics menu does not appear, proceed to "Internal Visual
Inspection."
Internal Visual Inspection
A simple visual inspection of a system’s interior hardware can often lead to the source of a problem, such as a loose expansion card, cable connector, or
mounting screw. When you perform the visual inspection, see "System Features" to locate components referenced in the inspection procedure.
To perform the internal visual inspection, perform the following steps:
1. Turn off the system, including any attached peripherals, and disconnect all the power cables from electrical outlets.
2. Remove the system cover as described in "System Cover and Support Beam."
3. Verify that the chip sets, memory modules, expansion cards, and microprocessor and heat-sink assembly are fully seated in their sockets or connectors.
4. To ensure that the chip sets are fully seated in their sockets, press firmly on the top of each chip.
5. To remove and reseat a microprocessor and heat-sink assembly, perform the steps described in "Microprocessor."
6. To remove and reseat a memory module, perform the steps described in "Memory Modules."
7. If you need to remove and reseat an expansion card, remove the card as described in "Expansion Cards," and carefully reinsert the card in its connector
until fully seated.
8. Verify that all jumpers are set correctly.
For information about jumper settings, see "System Board Jumpers."
9. Check all cable connectors inside the system to verify that they are firmly attached to their appropriate connectors.
10. Replace the system cover and support beam.
11. Reconnectthesystemandanyattachedperipheralstotheirpowersources,andturnthemon.
If the problem persists, proceed to "Getting Help."
Running the System Diagnostics
NOTE: You can also run the system diagnostics from the utility partition by pressing <F10> during power-up.
NOTICE: Before you proceed with the internal visual inspection described in this section, ensure that the user has saved all open files and exited all
open application programs, if possible.
CAUTION: Before beginning to work inside the system, disconnect the power supply from the power source and the power supply cables from the
power supply.
CAUTION: The microprocessor and heat-sink assembly can get extremely hot during system operations. Be sure that it has had sufficient time to cool
before touching it.
CAUTION: When handling the microprocessor and heat-sink assembly, take care to avoid sharp edges on the heat-sink.
Thesystemdiagnosticscontainteststhataidintroubleshootingallmajorcomponentsofthesystem.Thesediagnosticscanberunfromtheutilitypartitionor
from a set of diagnostics diskettes.
To create a set of diagnostics diskettes, see "Using the Dell OpenManage Server Assistant CD," in the User's Guide.
To start the system diagnostics, turn off the system, insert a bootable system diagnostics diskette into the diskette drive, and then turn on the system (you can
also activate the system diagnostics installed on the utility partition of your hard drive by pressing <F10> during power-up).
Starting the diagnostics causes the Dell logo to appear on the monitor, followed by a message indicating that the diagnostics is loading. Before the diagnostics
loads, a program tests the portion of main memory (RAM) required for loading the diagnostics. If a RAM error is detected, a message telling you which memory
module has failed appears on the screen.
If no errors are found in RAM, the diagnostics loads and a Diagnostics menu appears. This menu lets you choose different options or exit the diagnostics.
See "Running the System Diagnostics" in the system Installation and Troubleshooting Guide for detailed information about the system diagnostics.
Getting Help
If none of the troubleshooting procedures in this section or the tests in the system diagnostics reveals the source of the problem or leads to the proper
troubleshooting steps for determining the source of the problem, see the Support pages at http://support.dell.com. For instructions on contacting Dell, see
"Getting Help" in the system's Installation and Troubleshooting Guide.
Back to Contents Page
Back to Contents Page
Codes and Error Messages
Dell™PowerEdge™500SCSystemsServiceManual
Overview
This section describes beep codes and system error messages that can occur during system start-up or, in the case of some failures, during normal system
operation. The tables in this section list faults that can cause a beep code or system error message to occur and the probable causes of the fault in each case.
This section also suggests actions you can take to resolve problems indicated by a message.
If a faulty system does not emit beep codes or display system error messages to indicate a failure, you should run the appropriate tests in the system
diagnostics to help isolate the source of the problem. See "Running the System Diagnostics."
Several different types of messages can indicate when the system is not functioning properly:
l System messages
l System beep codes
l Warning messages
l Diagnostics messages
l Alert log messages
l Front-panel indicators
System Messages
System messages alert you to a possible operating system problem or to a conflict between the software and hardware. Table 1 lists the system error
messages that can occur and the probable cause for each message.
If the table does not lead to the source of the problem, run the appropriate tests in the system diagnostics (see the Installation and Troubleshooting Guide) to
assist in troubleshooting the problem.
Table1.SystemMessages
Overview
Diagnostics Messages
System Messages
Alert Log Messages From the System Management Server Agent
System Beep Codes
Front-Panel Indicators
Warning Messages
Back-Panel Indicators
NOTE: If you receive a system message that is not listed in Table 1, check the documentation for the application program that is running when the
message appears and/or the operating system documentation for an explanation of the message and recommended action.
Message
Cause
Address mark not found
Faulty diskette, CD, or hard drive
subsystem (defective system board).
Alert! Maximum memory
size exceeded.
Limiting memory size
to 2 GB
System supports up to 2 GB of
memory.
Alert! Single-bit
memory error
previously detected in
xxxx xxxxh
Improperly seated or faulty memory
modules.
Alert! Previous
processor thermal
failure
The microprocessor exceeded its
recommended operating temperature
during the previous operating session.
Alert! Primary
processor is out of
rev
System detected that the primary
processor is not the correct revision.
Alert! Processor
thermal probe failure
detected
Faulty processor or defective system
board.
Alert! Unsupported
memory in DIMM slot(s)
Unsupported memory module(s)
installed in specified slot(s).
Alert! Uncorrectable
memory error
previously detected in
xxxx xxxxh
Improperly seated or faulty memory
modules.
Attachment failed to
respond
Diskette drive or hard drive controller
cannot send data to associated drive.
Auxiliary device
Mouse cable connector loose or
failure
improperly connected, defective
mouse.
Bad command or file
name
Command entered does not exist, is
faulty, or is not in pathname specified.
Bad error-correction
code(ECC) on disk read
Controller has failed
Faulty diskette, CD, or hard drive
subsystem (defective system board).
Boot: Couldn't find
NTLDR
A nonbootable diskette formatted with
WindowsNT®was detected in the
diskette drive.
CAUTION! NVRAM_CLR
jumper is installed on
system board. Please
run SETUP
The NVRAM jumper is installed.
CD-ROM drive not found
Improperly connected or missing CD
drive.
Data error
Faulty diskette, diskette drive, or hard
drive.
Decreasing available
memory
One or more memory modules
improperly seated or faulty.
Diskette drive 0 seek
failure
Faulty or improperly inserted diskette,
incorrect configuration settings in
System Setup program, loose diskette
drive interface cable.
Diskette drive 1 seek
failure
Diskette read failure
Faulty diskette, faulty or improperly
connected diskette drive.
Diskette subsystem
reset failed
Faulty diskette controller (defective
system board).
Diskette write
protected
Diskette write-protect feature
activated.
Drive not ready
Diskette missing from or improperly
inserted in diskette drive.
Gate A20 failure
Faulty keyboard controller (defective
system board).
General failure
Operating system corrupted or not
installed properly.
Hard disk controller
failure
Incorrect configuration settings in
System Setup program, improperly
connected hard drive, faulty hard drive
controller subsystem (defective system
board), or loose power cable.
Hard disk drive read
failure
Hard disk failure
Invalid configuration
information - please
run SETUP program
Incorrect configuration settings in
System Setup program, faulty battery,
or NVRAM jumper is installed.
Invalid CPU speed
detected
Microprocessor not supported by
system.
Invalid NVRAM
configuration,
resource reallocated
System detected and corrected a
resource conflict when system
resources were allocated using the
System Setup program.
I/O parity interrupt
at address
Expansion card improperly installed or
faulty.
Keyboard failure
Keyboard cable connector loose or
improperly connected, defective
keyboard, or defective
keyboard/mouse controller (defective
system board).
Keyboard data line
failure
Keyboard stuck key
failure
Keyboard clock line
failure
Keyboard controller
failure
Defective keyboard/mouse controller
(defective system board).
Memory address line
failure at address,
read value expecting
value
Faulty or improperly seated memory
modules or defective system board.
Memory data line
failure at address,
read value expecting
value
Memory double word
logic failure at
System Beep Codes
When an error that cannot be reported on the monitor occurs during a boot routine, the system may emit a series of beeps that identify the problem. The
address, read value
expecting value
Memory odd/even logic
failure at address,
read value expecting
value
Memory write/read
failure at address,
read value expecting
value
Memory allocation
error
Faulty application program.
Memory parity
interrupt at address
Improperly seated or faulty memory
modules.
Memory tests
terminated by
keystroke
POST memory test terminated by
pressing the spacebar.
No boot device
available
Faulty diskette, diskette subsystem,
hard drive, hard drive subsystem, or
no boot disk in drive A.
No boot sector on hard
drive
Incorrect configuration settings in
System Setup program, or no
operating system on hard drive.
No timer tick
interrupt
Defective system board.
Non-system disk or
disk error
Faulty diskette, diskette subsystem, or
hard drive subsystem.
Not a boot diskette
No operating system on diskette.
Read fault
Faulty diskette, diskette subsystem, or
hard drive subsystem (defective
system board).
Requested sector not
found
Reset failed
Improperly connected diskette drive,
CD drive, hard drive, or power cable.
ROM bad checksum =
address
Expansion card improperly installed or
faulty.
Sector not found
Defective sectors on diskette or hard
drive.
Seek error
Defective sectors on diskette or hard
drive.
Seek operation failed
Faulty diskette or hard drive.
Shutdown failure
Defective system board.
System halted
System microprocessor is not
supported.
Time-of-day clock
stopped
Defective battery or faulty chip
(defective system board).
Time-of-day not set -
please run SETUP
program
Incorrect Time or Date settings,
defective system battery, or NVRAM
jumper is installed.
Timer chip counter 2
failed
Defective system board.
Unexpected interrupt
in protected mode
Improperly seated memory modules or
faulty keyboard/mouse controller chip
(defective system board).
Unsupported CPU speed
in CMOS
Microprocessor not supported by BIOS.
Utility partition not
available
<F10> key was pressed during POST,
but no utility partition exists on the
boot hard drive.
Write fault
Faulty diskette or hard drive.
Write fault on
selected drive
beep code is a pattern of sounds; for example, one beep followed by a second beep and then a burst of three beeps (code 1-1-3) means that the computer
was unable to read the data in NVRAM. This information is valuable to the Dell technical support representative if you need to call for technical assistance.
When a beep code is emitted, record it on a copy of the Diagnostics Checklist, in your System's Installation and Troubleshooting Guide, and then look it up in
Table 2. If you are unable to resolve the problem by looking up the meaning of the beep code, use the system diagnostics to identify a more serious cause.
See "Running the System Diagnostics."
Table 2. System Beep Codes
Code
Cause
Corrective Action
1-1-3
CMOS write/read failure
Replace the system board. See "System Board Removal." If the problem persists, see "Getting Help."
1-1-4
BIOS checksum failure
This fatal error usually requires that you replace the BIOS firmware. see "Getting Help."
1-2-1
Programmable interval-
timer failure
Replace the system board. See "System Board Removal." If the problem persists, see "Getting Help."
1-2-2
DMA initialization failure
Remove and reseat the memory modules. See "Memory Modules." If the problem persists, replace the
memory modules. If the problem persists, see "Getting Help."
1-2-3
DMA page register
write/read failure
1-3-1
Main-memory refresh
verification failure
Remove and reseat the memory modules. See "Memory Modules." If the problem persists, replace the
memory modules. If the problem persists, see "Getting Help."
1-3-2
No memory installed
Remove and reseat the memory modules. See "Memory Modules." If the problem persists, replace the
memory modules. If the problem persists, see "Getting Help."
1-3-3
Chip or data line failure in
the first 64 KB of main
memory
Remove and reseat the memory modules. See "Memory Modules." If the problem persists, replace the
memory modules. If the problem persists, see "Getting Help."
1-3-4
Odd/even logic failure in
thefirst64KBofmain
memory
Remove and reseat the memory modules. See "Memory Modules." If the problem persists, replace the
memory modules. If the problem persists, see "Getting Help."
1-4-
Address line failure in the
first 64 KB of main
memory
1-4-2
Parity failure in the first
64 KB of main memory
2-1-1
through
2-4-4
Bit failure in the first 64
KB of main memory
3-1-1
Slave DMA-register failure
Replace the system board. See "System Board Removal." If the problem persists, see "Getting Help."
3-1-2
Master DMA-register
failure
3-1-3
Master interrupt-mask
register failure
3-1-4
Slave interrupt-mask
register failure
3-2-4
Keyboard-controller test
failure
Check the keyboard cable and connector for proper connection. If the problem persists, run the
keyboard test in the system diagnostics to determine whether the keyboard or keyboard controller is
faulty. See "Running the System Diagnostics." If the keyboard controller is faulty, replace the system
board. See "System Board Removal." If the problem persists, see "Getting Help."
3-3-1
CMOS failure
Run the system board test in the system diagnostics to isolate the problem. See "Running the System
Diagnostics."
3-3-2
System configuration
check failure
Replace the system board. See "System Board Removal." If the problem persists, see "Getting Help."
3-3-3
Keyboard controller not
detected
Replace the system board. See "System Board Removal." If the problem persists, see "Getting Help."
3-3-4
Screen initialization
failure
Run the video test in the system diagnostics. See "Running the System Diagnostics."
3-4-2
Screen-retrace test
failure
3-4-3
Search for video ROM
failure
4-2-1
No timer tick
Replace the system board. See "System Board Removal." If the problem persists, see "Getting Help."
4-2-2
Shutdown failure
4-2-3
Gate A20 failure
4-2-4
Unexpected interrupt in
protected mode
Ensure that all expansion cards are properly seated, and then reboot the system.
4-3-1
Improperly seated or
faulty memory modules
Remove and reseat the memory modules. See "Memory Modules." If the problem persists, replace the
memory modules. If the problem persists, see "Getting Help."
4-3-3
Defective system board
Replace the system board. See "System Board Removal." If the problem persists, see "Getting Help."
4-3-4
Time-of-day clock
stopped
Replace the battery. See "Battery." If the problem persists, replace the system board. See "System
Board Removal." If the problem persists, see "Getting Help."
4-4-1
I/O chip set failure
(defective system board)
Replace the system board. See "System Board Removal." If the problem persists, see "Getting Help."
4-4-2
Parallel-port test failure
(defective system board)
Replace the system board. See "System Board Removal." If the problem persists, see "Getting Help."
4-4-3
Math coprocessor failure
(defective
microprocessor)
Remove and reseat the specified microprocessor. See "Upgrading the Microprocessor." If the problem
persists, replace the microprocessor. If the problem persists, see "Getting Help."
Warning Messages
A warning message alerts you to a possible problem and asks you to take corrective action before the system continues a task. For example, before you
format a diskette, a message might warn you that you might lose all data on the diskette, as a way to protect against inadvertently erasing or writing over
the data. These warning messages usually interrupt the procedure and require you to respond by typing y (yes) or n (no).
Diagnostics Messages
When you run a test group or subtest in the system diagnostics, an error message might result. These particular error messages are not covered in this
section. Record the message on a copy of the Diagnostics Checklist (located in "Getting Help" in the Installation and Troubleshooting Guide, and then follow the
instructions in that section for obtaining technical assistance.
Alert Log Messages From the System Management Server Agent
The optional system management software generates alert messages for your system. For example, the server agent generates messages that appear in the
SNMP trap log file. Alert messages consist of information, status, warning, and failure messages for drive, temperature, fan, and power conditions. More
information about alert messages is provided in the system management software documentation found on the Online Documentation CD that shipped with
your system.
Front-Panel Indicators
The following indicators are on the system's front panel (see Figure 1 and Table 3):
Figure 1. Front Panel Indicators
Table 3. Front-Panel Indicator Patterns
Back-Panel Indicators
The following indicators are on the system's back panel (see Figure 2 and Table 4):
Figure 2. Back-Panel Features and Indicators
4-4-4
Cache test failure
(defective
microprocessor)
Remove and reseat the specified microprocessor. See "Upgrading the Microprocessor." If the problem
persists, replace the microprocessor. If the problem persists, see "Getting Help."
NOTE: Warning messages are generated by either the application program or the operating system. See your Installation and Troubleshooting Guide and
the documentation that accompanied the operating system and application program for more information on warning messages.
1
CD drive activity indicator
2
Diskette drive activity indicator
3
System power indicator
4
Hard drive activity indicator
Indicator
Description
CD drive activity
Green LED blinks when activity is detected on the CD drive.
Diskette drive activity
Green LED blinks when activity is detected on the diskette drive.
System power indicator
LED displays a steady green light when the power supply is turned
on.
Hard drive activity
Green LED blinks when activity is detected on the hard drives.
Table 4. Back-Panel Indicator Patterns
Back to Contents Page
1
Power connector
2
Mouse connector
3
Keyboard connector
4
Serial connector
5
Parallel connector
6
Video connector
7
USB connector (2)
8
NIC connector and 2 LEDs
9
PCI expansion card slots (5)
Indicator
Description
NIC (2 LEDs)
The LEDs display a steady green light when a link is detected. The
LEDs flicker when network activity is detected.
NOTE: If AC power is connected to the power supply, but the
system is turned off, the LEDs continue to function.
Back to Contents Page
System Overview
Dell™PowerEdge™500SCSystemsServiceManual
Overview
ThePowerEdge500SCisavailableinatowerversiononly.Yoursystemprovidesareliableplatformthatcanbeusedfornonmissioncriticalapplicationssuch
as file and print server, and remote server locations. The system has one Intel®Pentium®IIIorIntelCeleron™microprocessor.
The hard drive that boots your operating system has a utility partition containing complete diagnostics for your system. Also, a separate Dell OpenManage
Server Assistant CD is provided that includes diagnostics software that you can download to a set of diskettes.
This section describes the major hardware and software features of the system. It also describes hardware features that simplify servicing.
System Features
The system offers the following major features:
l Intel®Pentium®IIImicroprocessorwithaspeedofatleast1GHz,anexternalbusspeedof133MHz,anda256KBlevel2cache
OR
l IntelCeleron™microprocessorwithaspeedofatleast800MHzwithanexternalbusspeedof100MHzanda128KBlevel2cache
l A minimum of 64 MB of system memory, upgradable to a maximum of 2 GB by installing combinations of 64-, 128-, 256-, or 512-MB registered PC-133
SDRAM memory modules in the four memory module sockets on the system board
l Support for up to three one-inch, internal IDE hard drives
l A 250–330 W power supply
l 48X CD drive
l Dual USB ports
l 9-pin serial port
l 25-pin parallel port
l PS/2 compatible mouse and keyboard ports
l Embedded 10/100 Mbps Ethernet
l Optional IDE tape backup unit, DVD drive, or internal tape drive
The system board includes the following built-in features:
l Five PCI slots located on the system board. Two are 64-bit, 33- or 66-MHz slots; three are 32-bit, 33-MHz slots.
l An integrated VGA-compatible video subsystem with an ATI RAGE XL video controller. This video subsystem contains 4 MB of SDRAM video memory
(nonupgradable). Maximum resolutions are 1600 x 1200 x 65K colors (noninterlaced). For 640 x 480-pixel, 800 x 600-pixel, 1024 x 768-pixel, and 1280 x
1024-pixel resolutions, true-color is available.
l Dual IDE controllers.
l An integrated Intel 10/100 NIC, which provides an Ethernet interface.
l Server management circuitry that monitors operation of the system fans as well as critical system voltages and temperatures. The server management
circuitry works in conjunction with the server management software.
Standard systems include a diskette drive and one IDE hard drive. It also includes an IDE CD drive in the externally accessible bay.
The following software is included with your system:
l A system setup program for quickly viewing and changing the system configuration information for your system. For more information on this program,
see "Using the System Setup Program."
l Enhanced security features, including a user password and a supervisor password, available through the System Setup program.
l Diagnostics for evaluating your system's components and devices. For information on using the system diagnostics, see "Running the System
Diagnostics" in your Installation and Troubleshooting Guide.
Service Features
The system includes the following service features to make troubleshooting and repair easy and effective, in most cases without tools or service aids:
Overview
Service Features
System Features
Technical Specifications
l System diagnostics are available on the utility partition, which checks for hardware problems (if the system can boot). The system diagnostics can be
downloaded to diskettes from the Dell OpenManage Server Assistant CD.
l Embedded server management hardware, which monitors temperatures and voltages throughout the system and notifies you if the system overheats, if
a system cooling fan malfunctions, if a processor overheats, or if a power supply or VRM fails.
The system chassis simplifies removing and replacing system components. You can replace the microprocessor or DIMMs without removing the system board.
Technical Specifications
Microprocessor
Microprocessor type
IntelPentiumIIImicroprocessorwithaminimumof1GHz,anexternalbusspeedof133MHz,anda256KB
level 2 cache
OR
Intel Celeron microprocessor at 800 MHz with an external bus speed of 100 MHz and a 128 KB level 2 cache
Front-side bus speed
Pentium III: 133 MHz
Celeron: 100 MHz
Internal cache
Pentium III: 256 KB Level 2 cache
Celeron: 128 KB Level 2 cache
Expansion Bus
Bus type
PCI
Expansion slots
Two 64-bit, 33/66-MHz slots
Three 32-bit, 33-MHz slots
Memory
Architecture
72-bit ECC PC-133 SDRAM
Memory module sockets
four
Memory module capacities
64, 128, 256, or 512 MB
Minimum RAM
64 MB
Maximum RAM
2 GB
Drives
Diskette drive
3.5-inch, 1.44-MB diskette drive
Tape drive
optional internal tape drive
IDE devices
three 1-inch, internal, IDE hard drive bays
CD drive
one IDE CD drive
Ports and Connectors
Externally accessible:
Serial (DTE)
one 9-pin connector; 16550-compatible
Parallel
one 25-pin connector (bidirectional)
Video
one 15-pin connector
PS/2-style keyboard
6-pin mini-DIN connector
PS/2-compatible
mouse
6-pin mini-DIN connector
USB
two USB-compliant 4-pin connectors
NIC
RJ45 connector for integrated NIC
Video
Video type
ATI Rage XL video controller; VGA connector
Video memory
4 MB
Power
DC power supply:
Wattage
one 250-W or 330-W power supply
Voltage
90–240 V, 47/63 Hz or 90–265 V, 47/63 Hz
System battery
CR2032 3.0-V lithium coin cell
Physical
Height
43.7 cm (17.2 inches)
Width
20.3 cm (8 inches)
Depth
44.5 cm (17.5 inches)
Weight
15.0 kg (33 lb), maximum configuration
Environmental
Temperature:
Back to Contents Page
Operating
10°to35°C(50°to95°F)
Storage
–40°to65°C(–40°to149°F)
Relative humidity:
20%to80noncondensing
Maximum vibration:
Operating
0.25 G at 3 to 200 Hz at 1/2 octave/min
Storage
0.5 G at 3 to 200 Hz at 1/2 octave/min
Maximum shock:
Operating
left side and bottom half-sinepulsewithachangeinvelocityof50.8cm/sec(20inches/sec)
Storage
23-G faired-square wave with a velocity change of 508.0 cm/sec (200 inches/sec)
Altitude:
Operating
–15.2 to 3048 m (–50 to 10,000 ft)1
Storage
–15.2 to 10,600 m (–50 to 35,000 ft)
1At35°C(95°F),themaximumoperatingaltitudeis914m(3000ft).
Back to Contents Page
Jumpers and Connectors
Dell™PowerEdge™500SCSystemsServiceManual
Overview
This section provides specific information about the jumpers on the system board. It also provides some basic information on jumpers and describes the
connectors and sockets on the various boards in the system.
Jumpers — A General Explanation
Jumpers provide a convenient and reversible way of reconfiguring the circuitry on a printed circuit board. When installing replacement parts or reconfiguring
the system, you may need to change jumper settings on the system board. You may also need to change jumper settings on expansion cards or drives.
Jumpers
Jumpers are small blocks on a circuit board with two or more pins emerging from them. Plastic plugs containing a wire fit down over the pins. The wire connects
the pins and creates a circuit. To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated.
A jumper is referred to as open or unjumpered when the plug is pushed down over only one pin or if there is no plug at all. When the plug is pushed down
over two pins, the jumper is referred to as jumpered. The jumper setting is often shown in text as two numbers, such as 1-2. The number 1 is printed on the
circuit board so that you can identify each pin number based on the location of pin 1.
System Board Jumpers
Figure 1 shows the location of the configuration jumpers on the system board. Table 1 lists the function of these jumpers.
Figure 1. System Board Jumpers
Table 1. System-Board Jumper Settings
Overview
System Board Labels
Jumpers—A General Explanation
Disabling a Forgotten Password
System Board Jumpers
NOTICE: Make sure the system is turned off before you change a jumper setting. Otherwise, damage to the system or unpredictable results may occur.
Jumper
Setting
Description
PASSWORD
(default)
The password feature is enabled.
The password feature is disabled.
NVRAM
(default)
The configuration settings are retained at system boot.
The configuration settings are cleared at next system boot. If the
configuration settings become corrupted to the point where the
system will not boot, install the jumper plug and boot the
system. Remove the jumper before restoring the configuration
information.
jumpered unjumpered
System Board Labels
Table 2 lists the connectors and sockets located on the system board.
Table 2. System Board Connectors and Sockets
Disabling a Forgotten Password
The computer's software security features include a supervisor password and a user password, which are discussed in detail in "Using the System Setup
Program" of the User's Guide. A password jumper on the system board enables these password features or disables them and clears any password(s)
currently in use.
To disable a forgotten supervisor password or user password, perform the following steps.
1. Turn off the system, including any attached peripherals, and disconnect the power cord from its power source.
2. Remove the system cover.
3. See Figure 1 for the location of the password jumper (labeled PASSWORD) on the system board.
4. Remove the jumper plug from the PASSWORD jumper.
5. Replace the system cover and then reconnect the computer to an electrical outlet and turn it on.
The existing passwords are not disabled (erased) until the system boots with the PASSWORD jumper plug removed. However, before you assign a new
system and/or user password, you must install the jumper plug.
6. Repeat step 1.
7. Install the jumper plug on the PASSWORD jumper.
8. Replace the system cover and then reconnect the computer and peripherals to their electrical outlets and turn them on.
9. Assign a new system and/or user password.
To assign a new system and/or user password, see "Using the System Setup Program".
Back to Contents Page
Connector or Socket
Description
BATTERY
Battery connector
COM1
Serial port connector
CPU
Microprocessor ZIF socket
DIMM_n
Memory module sockets
FDD
Diskette drive cable connector
FRONT PANEL
System front panel connector
LAN1
RJ45 Ethernet NIC connector
J12
System jumpers
KY
Keyboard connector
LPT
Parallel port connector
MS
Mouseconnector
POWER
Power connector
PRIMARY IDE
Primary IDE connector
SECONDARY IDE
Secondary IDE connector
SLOT_n
Ultra3 SCSI host adapter connector
SYS_FAN2
Fan connector
USB
USB connector
VGA
Videoconnector
CAUTION: Read the safety instructions in your System Information document.
NOTE: If you assign a new system and/or user password with the jumper plug still removed, the system disables the new password(s) the next
time it boots.
Back to Contents Page
Removing and Replacing Parts
Dell™PowerEdge™500SCSystemsServiceManual
Overview
The procedures in this guide require that you remove the cover and work inside the system. While working inside the system, do not attempt to service the
system except as explained in this manual and elsewhere in Dell documentation. Always follow the instructions closely. Make sure to review all of the
procedures in "Safety Instructions" in your System Information document.
This section provides servicing procedures for components inside the system. Before you start any of the procedures in this section, perform the following
tasks:
l Perform the procedures described in "External Visual Inspection."
l Read the safety information in the System Information document.
When there is no replacement procedure provided, use the removal procedure in reverse order to install the replacement part.
Recommended Tools
You need the following items to perform the procedures in this section:
l The system diagnostics diskette set appropriate for your system
l System User's Guide
l System Installation and Troubleshooting Guide
l Key to the system keylock
l #1 and #2 Phillips screwdriver
l Wrist grounding strap
Inside the System
In Figure 1, the system cover is removed to provide an interior view. Refer to this illustration to locate interior features and components discussed later in this
manual.
Figure 1. Inside the System (Right-Side View)
The system board can accommodate up to five PCI expansion cards (two cards at 64-bit/66 MHz or 64-bit/33 MHz, and three cards at 32-bit/33 MHz).
The drive cage contains two externally accessible, 5.25-inch drive bays that provide space for up to two drives, including a CD or DVD drive and one other
device, such as a tape drive. The drive cage also provides space for up to two 1-inch IDE hard drives.
Additionally, the card guide assembly provides two additional brackets for a 3.5-inch diskette drive and a 1-inch IDE hard drive.
Overview
Cooling Fan
Inside the System
Power Supply
System Cover and Support Beam
System Board
Front Bezel
Expansion Cards
Drive Cage
Memory Modules
Control Panel Assembly
Upgrading the Microprocessor
Drives
Battery
Cooling Shroud
1
Drive cable
2
Power cables
3
Drive cage
4
Card guide assembly
5
Expansion card filler brackets (5)
6
System board
7
Cooling fan shroud
8
Power supply
The DC power cables from the power supply provide power to the system board, drives, and any expansion cards that connect to external peripheral.
The wide ribbon cables are the interface cables for internal drives. For the diskette drive, an interface cable connects the drive to an interface connector on the
system board or on an expansion card. For IDE devices, interface cables connect the devices to an IDE connector on the system board (for more information,
see "Removing and Replacing Drives").
During an installation or troubleshooting procedure, you may be required to change a jumper. For information on the system board jumpers, see "System
Board Jumpers."
System Cover and Support Beam
Removing the System Cover and Support Beam
1. Lay the system on its right side, with the system foot stand off the edge of the work surface.
2. Loosen the captive thumbscrew that secures the cover to the back of the system.
3. Face the front of the system. Use your thumbs to press in both latches while pushing the cover backward. Move the cover back slightly, and then lift it
straight up (see Figure2).
If necessary, use both hands and work one side at a time.
Figure 2. Removing the System Cover
4. Remove the screw from the support beam as shown in Figure3.
5. Pull the front end of the support beam until it snaps free from its fastener. Rotate the front of the beam upward until the hinged tabs on the back of the
beam clear their slots (see Figure3).
Figure 3. Removing the Support Beam
NOTICE: Do not install a hard drive in the lower card-guide assembly bracket next to the card guides. Installing a drive in the lower card-guide
assembly bracket is not supported in this system.
NOTE: Before you begin any of the procedures in this section, see "Safety Instructions" in your System Information document.
NOTICE: To avoid damaging the system board, disconnect the power cable from the electrical outlet and from the back of the system, then press the
power button before you remove the system cover. The system board continues to receive a small amount of power when the system is turned off and
attached to an electrical outlet.
CAUTION: To prevent cuts, keep your hands clear of the metal edges on the system as you slide back the cover.
1
Thumbscrew
2
Cover release latch
3
System foot stand
1
Screw
2
Lock tab
3
Slot
4
Support beam
5
Slots (2)
6
Hinged tabs (2)
To replace the system cover, perform the following steps:
1. Check that no tools or parts are left inside the system.
2. Slip the support beam's hinged tabs into their slots and lower the beam until the lock tab snaps into the retaining slot (see Figure3).
3. Replace the screw you removed in step 4 of "Removing the System Cover and Support Beam."
4. Fit the cover over the sides of the chassis and slide the cover forward until it locks in place.
5. Secure the cover with the thumbscrew.
Front Bezel
To remove the front bezel of the system, perform the following steps.
1. Remove the system cover.
2. Press the three tabs along the side of the bezel (see Figure4).
3. Swing the bezel away from the system, disengage the hooks, and carefully pull the bezel away from the system.
Figure 4. Front-Bezel Removal
To replace the bezel, insert the bezel hooks into the system slots, and snap the bezel back onto the system.
Drive-Cage Removal
To remove the drive cage, perform the following steps:
1. Turn off the system, including any external devices, and disconnect the system from its electrical outlet.
2. Remove the system cover.
3. Remove the bezel.
4. Disconnect the interface cable and the power cable from all drives installed in the drive cage. Note the location and orientation of all cables attached to
the drives.
5. Remove the screw from the side of the drive cage (see Figure5). Pull the drive cage toward you to unlock it from the system. Lift out the drive cage.
Figure 5. Drive-Cage Removal
To install the drive cage, perform the following steps:
1. With the slots on the drive cage extending slightly beyond the front of the system, lower the drive cage and slide it toward the back of the system until
the cage locks into place.
CAUTION: See the safety instructions in your System Informationdocumentbeforeworkinginsideyoursystem.
1
Tabs (3)
1
Drive cage
2
Slots(10)
3
Screw
2. Secure the drive cage to the system with the screw you removed in step 5 of "Drive Cage Removal."
3. Connect the interface cable and the power cable to all drives installed in the drive cage.
4. Replace the bezel.
5. Replace the system cover.
Control Panel Assembly
In Figure 6, the control panel is shown removed from the system chassis.
Figure 6. Control-Panel Removal
To remove the control panel assembly, perform the following steps.
1. Remove the system cover and support beam.
2. Remove the bezel.
3. Remove the diskette drive.
4. Remove the screws securing the drive bracket (see Figure9).
5. While pressing the four card guide assembly securing clips, slide the drive bracket back until the clips are no longer securing the assembly to the front
panel.
6. Press the card guide assembly securing clip located in the diskette drive bay and slide the card guide assembly and hard drive toward the back of the
system and lift them out of the system.
7. Disconnect the ribbon cable from the system board connector (FRONT PANEL).
8. Pressthecontrolpanelassemblysecuringclipthatsecuresthecontrolpanelbrackettothecardguideassembly,andliftthecontrolpanelupandout
of the card guide assembly.
To replace the control panel assembly, perform the following steps.
1. Align the control panel assembly with the card guide assembly alignment pins and press down until the control panel assembly snaps into place.
2. Connect the ribbon cable to the system board connector (FRONT PANEL).
3. Align the card guide assembly's four securing clips with the slots in the front panel and press the assembly and hard drive toward the front of the
system until it snaps into place.
4. Replace the diskette drive.
5. Replace the screws securing the drive bracket
6. Replace the bezel.
7. Replace the system cover and support beam.
Removing and Replacing Drives
Your system includes bays or brackets for up to three 1-inch IDE hard drives or two 5.25-inch drives.
1
Control panel board
2
Securing clip
3
Card guide assembly
CAUTION: Read the safety instructions in your System Information document.
NOTICE: When replacing a hard drive, set the jumpers on the replacement hard drive to match the jumpers on the hard drive you removed. For
additional information about jumper settings on IDE drives, see "Configuring the EIDE Subsystem" in your system Installation and Troubleshooting Guide.
Removing and Replacing the Lower 3.5-Inch Hard Drive
To remove the hard drive, perform the following steps:
1. Turn off the system, including any external devices, and disconnect the system from its electrical outlet.
2. Remove the system cover.
3. Remove the bezel.
4. Remove the drive cage.
5. Remove the three drive-mounting screws, two from the bottom and one from the left side (see Figure7).
6. Slide the hard drive out of the back of the drive cage.
Figure 7. Lower 3.5-Inch Hard Drive Removal and Replacement
To replace the hard drive, perform the following steps:
1. Slide the drive into the back opening of the bay over the two small grooves on the bottom of the bay.
2. Secure the drive with three drive-mounting screws, two from the bottom and one from the left side.
3. Reinstall the drive cage into the system.
4. Replace the bezel.
5. Replace the system cover.
6. Plug your system and any external devices into their electrical outlets, and turn them on.
7. See the drive documentation for instructions on installing any software required for hard drive operation.
Removing and Replacing the Upper 3.5-Inch Hard Drive
To remove the hard drive, perform the following steps:
1. Turn off the system, including any external devices, and disconnect the system from its electrical outlet.
2. Remove the system cover.
3. Remove the bezel.
4. Remove the drive cage.
5. Remove the two screws securing the drive to the drive cage (see Figure8). Insert your screwdriver into the reticular slot on the right side of the drive
cage to access the screw securing the right side of the drive.
6. Slide the hard drive out the back of the drive cage.
Figure 8. Upper 3.5-Inch Hard Drive Removal and Replacement
To replace the hard drive, perform the following steps:
1. Slide the drive into the back opening of the bay over the two small grooves on the bottom of the bay.
2. Secure the hard drive to the drive cage with two screws. To secure the screw on the right side of the drive, you must position the screw over the screw
hole through the back of the drive cage while inserting your screwdriver into the reticular slot on the right side of the drive cage.
3. Reinstall the drive cage into the system.
4. Replace the bezel.
1
Screws (3)
1
Screws (2)
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Dell PowerEdge 500SC User manual

Dell
Brand
Dell
Model
PowerEdge 500SC
Category
Computer case parts
Type
User manual
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