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. Start here.......................1
Diagnosing a problem .......................1
Undocumented problems .....................4
Chapter 2. Introduction ......................5
Related documentation ......................5
Notices and statements in this document................6
Features and specifications.....................7
Server controls, LEDs, and power ..................9
Front view ..........................9
Operator information panel ...................10
Light path diagnostics panel ...................11
Rear view ..........................12
Server power features .....................14
Internal LEDs, connectors, and jumpers................16
System-board internal connectors .................16
System-board external connectors.................17
System-board switches and jumpers ................18
System-board LEDs ......................21
System-board optional device connectors ..............22
Chapter 3. Diagnostics .....................23
Diagnostic tools ........................23
POST ............................24
Error logs ..........................25
POST error codes.......................27
System event log ........................38
Integrated management module (IMM) error messages .........38
Checkout procedure .......................82
About the checkout procedure ..................82
Performing the checkout procedure ................82
Troubleshooting tables ......................84
DVD drive problems ......................84
General problems .......................85
Hard disk drive problems ....................85
Hypervisor problems ......................87
Intermittent problems......................88
Keyboard, mouse, or pointing-device problems ............89
Memory problems .......................90
Microprocessor problems ....................92
Monitor and video problems ...................93
Optional-device problems ....................95
Power problems .......................96
Serial-device problems .....................99
ServerGuide problems .....................99
Software problems ......................100
Universal Serial Bus (USB) port problems .............101
© Copyright IBM Corp. 2010 iii
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