IBM 88631SU Service Guide - Page 158

PCI-X, board, assembly

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PCI-X board assembly Complete the following steps to remove a PCI-X board assembly. Handle Retainer screws DCAC 1. Read the safety information that begins on page vii, and "Handling static-sensitive devices" on page 114. 2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device. 3. Remove the top cover and bezel (see "Removing the cover and bezel" on page 115). 4. Remove the power supplies and power-structure assembly (see "Power-supply structure" on page 135). 5. Remove the I/O board (see "I/O board" on page 133). 6. Remove all adapters and adapter dividers, and place the adapters on a static-protective surface. Note: You might find it helpful to note where each adapter is installed before removing the adapters. 7. Disconnect the PCI-X switch card cable from the PCI-X board (see "PCI-X switch card assembly" on page 143). 8. Disconnect the SAS backplane power cable from the PCI-X board (see "SAS backplane" on page 136). 9. Remove all fans (see "Hot-swap fan" on page 118). 10. Remove the memory cards (see "Removing and replacing a memory card" on page 125). 11. Lift the microprocessor-tray release latch, open the microprocessor-tray levers, and pull the microprocessor tray out of the server slightly (see "Removing and installing a microprocessor" on page 138). 12. Remove the power backplane (see "Power backplane" on page 144). 13. Loosen the blue retainer screws on the rear of the server. 142 IBM System x3850 Type 8863, 7362: Problem Determination and Service Guide

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PCI-X
board
assembly
Complete
the
following
steps
to
remove
a
PCI-X
board
assembly.
Handle
Retainer
screws
1.
Read
the
safety
information
that
begins
on
page
vii,
and
“Handling
static-sensitive
devices”
on
page
114.
2.
Turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cords
and
all
external
cables
necessary
to
replace
the
device.
3.
Remove
the
top
cover
and
bezel
(see
“Removing
the
cover
and
bezel”
on
page
115).
4.
Remove
the
power
supplies
and
power-structure
assembly
(see
“Power-supply
structure”
on
page
135).
5.
Remove
the
I/O
board
(see
“I/O
board”
on
page
133).
6.
Remove
all
adapters
and
adapter
dividers,
and
place
the
adapters
on
a
static-protective
surface.
Note:
You
might
find
it
helpful
to
note
where
each
adapter
is
installed
before
removing
the
adapters.
7.
Disconnect
the
PCI-X
switch
card
cable
from
the
PCI-X
board
(see
“PCI-X
switch
card
assembly”
on
page
143).
8.
Disconnect
the
SAS
backplane
power
cable
from
the
PCI-X
board
(see
“SAS
backplane”
on
page
136).
9.
Remove
all
fans
(see
“Hot-swap
fan”
on
page
118).
10.
Remove
the
memory
cards
(see
“Removing
and
replacing
a
memory
card”
on
page
125).
11.
Lift
the
microprocessor-tray
release
latch,
open
the
microprocessor-tray
levers,
and
pull
the
microprocessor
tray
out
of
the
server
slightly
(see
“Removing
and
installing
a
microprocessor”
on
page
138).
12.
Remove
the
power
backplane
(see
“Power
backplane”
on
page
144).
13.
Loosen
the
blue
retainer
screws
on
the
rear
of
the
server.
142
IBM
System
x3850
Type
8863,
7362:
Problem
Determination
and
Service
Guide