IBM 8872 Service Guide - Page 5

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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 8 I/O board internal connectors and jumpers 8 Memory-card connectors 9 Memory-card LEDs 9 Microprocessor-board connectors and LEDs 10 PCI-X board connectors 10 PCI-X board LEDs 11 SAS-backplane connectors 11 Chapter 2. Diagnostics 13 Diagnostic tools 13 POST 13 POST beep codes 14 Error logs 18 POST error codes 20 Checkout procedure 34 About the checkout procedure 34 Performing the checkout procedure 35 Checkpoint codes (trained service technicians only 35 Troubleshooting tables 36 CD or DVD drive problems 36 General problems 37 Hard disk drive problems 37 Intermittent problems 38 Keyboard, mouse, or pointing-device problems 38 USB keyboard, mouse, or pointing-device problems 39 Memory problems 41 Microprocessor problems 42 Monitor problems 43 Optional-device problems 45 Power problems 46 Serial port problems 47 ServerGuide problems 48 Software problems 48 Universal Serial Bus (USB) port problems 49 Video problems 49 Light path diagnostics 49 Remind button 51 Light path diagnostic LEDs 52 Power-supply LEDs 57 © Copyright IBM Corp. 2005 iii

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Contents
Safety
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Guidelines
for
trained
service
technicians
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Inspecting
for
unsafe
conditions
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Guidelines
for
servicing
electrical
equipment
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Safety
statements
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.x
Chapter
1.
Introduction
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Related
documentation
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Notices
and
statements
in
this
document
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Features
and
specifications
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Server
controls,
LEDs,
and
connectors
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Front
view
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Rear
view
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Internal
LEDs,
connectors,
and
jumpers
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I/O
board
internal
connectors
and
jumpers
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Memory-card
connectors
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Memory-card
LEDs
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Microprocessor-board
connectors
and
LEDs
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PCI-X
board
connectors
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PCI-X
board
LEDs
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SAS-backplane
connectors
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Chapter
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Diagnostics
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Diagnostic
tools
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POST
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POST
beep
codes
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Error
logs
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POST
error
codes
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Checkout
procedure
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About
the
checkout
procedure
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Performing
the
checkout
procedure
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Checkpoint
codes
(trained
service
technicians
only)
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Troubleshooting
tables
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CD
or
DVD
drive
problems
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General
problems
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Hard
disk
drive
problems
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Intermittent
problems
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Keyboard,
mouse,
or
pointing-device
problems
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USB
keyboard,
mouse,
or
pointing-device
problems
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Memory
problems
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Microprocessor
problems
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Monitor
problems
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Optional-device
problems
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Power
problems
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Serial
port
problems
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ServerGuide
problems
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Software
problems
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Universal
Serial
Bus
(USB)
port
problems
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Video
problems
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Light
path
diagnostics
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Remind
button
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Light
path
diagnostic
LEDs
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Power-supply
LEDs
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. 57
©
Copyright
IBM
Corp.
2005
iii