Small
computer
system
interface
(SCSI)
messages
.
.
.
.
.
.
.
.
.
.
.71
Recovering
SAL/EFI
code
.
.
.
.
.
.
.
.
.
.
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.
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.
.
.
.
.
.
.
.71
Clearing
a
power-on
password
.
.
.
.
.
.
.
.
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.
.
.
.
.
.
.
.
.72
Clearing
CMOS
.
.
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.
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.
.73
Power
checkout
.
.
.
.
.
.
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.
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.
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.
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.
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.
.74
Troubleshooting
the
Ethernet
controller
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.75
Network
connection
problems
.
.
.
.
.
.
.
.
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.
.
.
.
.
.
.
.
.75
Ethernet
controller
troubleshooting
chart
.
.
.
.
.
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.
.
.
.
.
.
.
.76
Ethernet
controller
messages
.
.
.
.
.
.
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.
.
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.
.
.
.
.76
Chapter
4.
Installing
options
.
.
.
.
.
.
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.
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.
.
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.
.
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.
.
.77
Installation
guidelines
.
.
.
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.
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.
.
.77
System
reliability
considerations
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.77
Working
inside
a
server
with
power
on
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.77
Handling
static-sensitive
devices
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.78
Major
components
of
the
xSeries
450
server
.
.
.
.
.
.
.
.
.
.
.
.
.
.78
Connector
and
LED
locations
.
.
.
.
.
.
.
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.
.
.
.
.
.
.
.80
Memory
board
internal
connectors
and
LEDs
.
.
.
.
.
.
.
.
.
.
.
.
.80
Memory
switch
card
LEDs
.
.
.
.
.
.
.
.
.
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.
.
.
.
.
.
.
.
.
.81
Processor
board
internal
connectors
and
LEDs
.
.
.
.
.
.
.
.
.
.
.
.82
Midplane
board
connectors
and
LEDs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.84
PCI-X
board
internal
connectors
and
LEDs
.
.
.
.
.
.
.
.
.
.
.
.
.86
I/O-board
internal
connectors
.
.
.
.
.
.
.
.
.
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.
.
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.
.
.
.
.
.87
I/O-board
jumpers
.
.
.
.
.
.
.
.
.
.
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.
.
.
.
.
.
.
.
.
.
.
.87
Remote
Supervisor
Adapter
connectors
and
LEDs
.
.
.
.
.
.
.
.
.
.
.88
Opening
the
cover
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.88
Removing
and
replacing
the
bezel
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.89
Removing
and
replacing
a
hot-swap
power
supply
.
.
.
.
.
.
.
.
.
.
.
.90
Installing
an
adapter
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.92
Installing
a
hot-swap
hard
disk
drive
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.95
Installing
a
1.44
MB
diskette
drive
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.96
Installing
a
CD-ROM
or
DVD-ROM
drive
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.97
Installing
memory
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.98
Installing
and
replacing
a
microprocessor
and
power
module
.
.
.
.
.
.
. 100
Replacing
and
troubleshooting
fans
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 107
Replacing
fan
1
or
2
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 107
Replacing
fan
3
or
4
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 108
Replacing
the
battery
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 109
Completing
the
installation
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 111
Closing
the
cover
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 111
Connecting
the
cables
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 111
Updating
your
server
configuration
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.112
Installing
the
server
in
a
rack
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.113
Chapter
5.
Field
replaceable
units
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.115
Memory-board
assembly
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.115
Memory
board
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.115
Memory-board
voltage
regulator
module
(VRM)
.
.
.
.
.
.
.
.
.
.
.116
Memory
switch
card
and
cable
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.118
Processor-board
assembly
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.119
Microprocessor
and
power
module
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 121
Processor-board
VRM
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 122
PCI-X
board
assembly
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 123
Midplane
board
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 125
Midplane-board
VRM
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 126
PCI-X
board
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 127
vi
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide