IBM 84885BU User Manual - Page 77

Field, replaceable, units

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Chapter 5. Field replaceable units Microprocessor air baffle 67 Microprocessor and heat sink 68 CD-ROM drive 70 Diskette drive 71 SCSI backplane 72 Non-hot swap power supply 73 Hot-swap power-supply cage 75 Rear-adapter retainer 77 Front fan 78 Rear fans 80 Power/LED switch assembly 81 Front USB connector assembly 83 System board 85 System board option connectors 85 System board internal connectors 86 System board external connectors 87 System board error LEDs 88 System board jumpers and switches 89 Removing the system board 90 Top/side cover 92 Bezel-release latch 93 Handle assembly 95 The following information describes procedures for removing and installing certain components inside the system. Only a qualified service technician is authorized to replace the components described in this section. Important: The field replaceable unit (FRU) procedures are intended for trained servicers who are familiar with IBM xSeries products. See the parts listing in "System replaceable units" on page 131 to determine if the component being replaced is a customer replaceable unit (CRU) or a FRU. Note: Before servicing this system, read "Installation guidelines" on page 25 and Appendix B, "Safety information," on page 143. Microprocessor air baffle The microprocessor air baffle is held in place by two tabs that protrude through slots in the rear of the server. Complete the following steps to remove the microprocessor air baffle: 1. Open the microprocessor air baffle. 2. At the rear chassis wall, press the sides of the microprocessor air baffle toward each other and move the baffle toward the front of the server. 3. Lift the guide up and out of the server. © Copyright IBM Corp. 2004 67

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Chapter
5.
Field
replaceable
units
Microprocessor
air
baffle
.
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. 67
Microprocessor
and
heat
sink
.
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. 68
CD-ROM
drive
.
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. 70
Diskette
drive
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. 71
SCSI
backplane
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. 72
Non-hot
swap
power
supply
.
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. 73
Hot-swap
power-supply
cage
.
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. 75
Rear-adapter
retainer
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. 77
Front
fan
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. 78
Rear
fans
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. 80
Power/LED
switch
assembly
.
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.
. 81
Front
USB
connector
assembly
.
.
.
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. 83
System
board
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. 85
System
board
option
connectors
.
.
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.
. 85
System
board
internal
connectors
.
.
.
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.
.
. 86
System
board
external
connectors
.
.
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.
. 87
System
board
error
LEDs
.
.
.
.
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.
.
.
. 88
System
board
jumpers
and
switches
.
.
.
.
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.
.
.
.
.
.
.
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.
. 89
Removing
the
system
board
.
.
.
.
.
.
.
.
.
.
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.
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.
.
.
.
. 90
Top/side
cover
.
.
.
.
.
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. 92
Bezel-release
latch
.
.
.
.
.
.
.
.
.
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. 93
Handle
assembly
.
.
.
.
.
.
.
.
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.
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.
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.
.
. 95
The
following
information
describes
procedures
for
removing
and
installing
certain
components
inside
the
system.
Only
a
qualified
service
technician
is
authorized
to
replace
the
components
described
in
this
section.
Important:
The
field
replaceable
unit
(FRU)
procedures
are
intended
for
trained
servicers
who
are
familiar
with
IBM
xSeries
products.
See
the
parts
listing
in
“System
replaceable
units”
on
page
131
to
determine
if
the
component
being
replaced
is
a
customer
replaceable
unit
(CRU)
or
a
FRU.
Note:
Before
servicing
this
system,
read
“Installation
guidelines”
on
page
25
and
Appendix
B,
“Safety
information,”
on
page
143.
Microprocessor
air
baffle
The
microprocessor
air
baffle
is
held
in
place
by
two
tabs
that
protrude
through
slots
in
the
rear
of
the
server.
Complete
the
following
steps
to
remove
the
microprocessor
air
baffle:
1.
Open
the
microprocessor
air
baffle.
2.
At
the
rear
chassis
wall,
press
the
sides
of
the
microprocessor
air
baffle
toward
each
other
and
move
the
baffle
toward
the
front
of
the
server.
3.
Lift
the
guide
up
and
out
of
the
server.
©
Copyright
IBM
Corp.
2004
67