
Contents
Safety ............................ vii
Guidelines for trained service technicians ............... viii
Inspecting for unsafe conditions ................. viii
Guidelines for servicing electrical equipment ............. viii
Safety statements ........................x
Chapter 1. Introduction ......................1
Related documentation ......................1
Notices and statements in this document ................2
Features and specifications .....................3
Server controls, LEDs, and connectors ................4
Front view ..........................4
Rear view ..........................5
Internal LEDs, connectors, and jumpers ................7
System-board optional-device connectors ..............7
System-board internal connectors .................8
System-board external connectors .................9
System-board LEDs ......................10
System-board jumpers .....................11
Chapter 2. Diagnostics .....................13
Diagnostic tools ........................13
POST ............................13
POST beep codes ......................13
Error logs ..........................16
POST error codes.......................16
Checkout procedure .......................26
About the checkout procedure ..................26
Performing the checkout procedure ................27
Checkpoint codes (trained service technicians only) ...........27
Troubleshooting tables ......................28
CD or DVD drive problems ...................28
Diskette drive problems.....................29
General problems .......................29
Hard disk drive problems ....................30
Intermittent problems......................30
Keyboard, mouse, or pointing-device problems ............31
Memory problems .......................32
Microprocessor problems ....................32
Monitor or video problems ....................33
Optional-device problems ....................35
Power problems .......................36
Serial port problems ......................37
ServerGuide problems .....................37
Software problems ......................38
Universal Serial Bus (USB) port problems ..............39
Diagnostic programs, messages, and error codes ............40
Running the diagnostic programs .................40
Diagnostic text messages ....................41
Viewing the test log ......................41
Diagnostic error codes .....................42
Recovering from aBIOS update failure ................46
Solving SCSI problems ......................48
©Copyright IBM Corp. 2007 iii