Contents
Safety
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. vii
Guidelines
for
trained
service
technicians
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. viii
Inspecting
for
unsafe
conditions
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. viii
Guidelines
for
servicing
electrical
equipment
.
.
.
.
.
.
.
.
.
.
.
.
. viii
Safety
statements
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. ix
Chapter
1.
Introduction
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 1
Related
documentation
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 1
Notices
and
statements
in
this
document
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 2
Features
and
specifications
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 3
Blade
server
controls,
LEDs,
and
connectors
.
.
.
.
.
.
.
.
.
.
.
.
.
. 4
Turning
on
the
blade
server
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 6
Turning
off
the
blade
server
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 6
System-board
layouts
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 7
System-board
connectors
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 7
System-board
switches
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 7
System-board
LEDs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 8
Chapter
2.
Diagnostics
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 9
Diagnostic
tools
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 9
POST
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 9
POST
beep
codes
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 9
Error
logs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 16
POST
error
codes
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 18
Checkout
procedure
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 24
About
the
checkout
procedure
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 24
Performing
the
checkout
procedure
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 25
Troubleshooting
tables
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 25
CD
or
DVD
drive
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 26
Diskette
drive
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 27
General
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 27
Hard
disk
drive
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 28
Intermittent
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 28
Keyboard,
mouse,
or
pointing-device
problems
.
.
.
.
.
.
.
.
.
.
.
. 29
Memory
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 30
Microprocessor
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 30
Monitor
or
video
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 31
Network
connection
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 32
Optional-device
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 33
Power
error
messages
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 33
Power
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 35
ServerGuide
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 36
Service
processor
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 37
Software
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 37
Universal
Serial
Bus
(USB)
port
problems
.
.
.
.
.
.
.
.
.
.
.
.
.
. 37
Light
path
diagnostics
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 38
Viewing
the
light
path
diagnostics
LEDs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 38
Light
path
diagnostics
LEDs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 40
Diagnostic
programs,
messages,
and
error
codes
.
.
.
.
.
.
.
.
.
.
.
. 41
Running
the
diagnostic
programs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 41
Diagnostic
text
messages
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 42
Viewing
the
test
log
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 43
Diagnostic
error
codes
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 43
©
Copyright
IBM
Corp.
2006
iii
Summary of Contents for eServer BladeCenter HS20 Type 8832
Page 1: ...BladeCenter HS20 Type 7981 and 1884 Problem Determination and Service Guide ...
Page 2: ......
Page 3: ...BladeCenter HS20 Type 7981 and 1884 Problem Determination and Service Guide ...
Page 8: ...vi BladeCenter HS20 Type 7981 and 1884 Problem Determination and Service Guide ...
Page 16: ...xiv BladeCenter HS20 Type 7981 and 1884 Problem Determination and Service Guide ...
Page 68: ...52 BladeCenter HS20 Type 7981 and 1884 Problem Determination and Service Guide ...
Page 98: ...82 BladeCenter HS20 Type 7981 and 1884 Problem Determination and Service Guide ...
Page 110: ...94 BladeCenter HS20 Type 7981 and 1884 Problem Determination and Service Guide ...
Page 111: ......
Page 112: ... Part Number 31R1716 Printed in USA 1P P N 31R1716 ...