IBM 86884RX Maintenance Manual - Page 131

Microprocessor, power, module

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Microprocessor and power module Before you begin: v Read "Installation guidelines" on page 77. v Read the safety notices at "Safety notices (multilingual translations)" on page 201. v Read "Handling static-sensitive devices" on page 200. Complete the following steps to remove a microprocessor: 1. Turn off the server and peripheral devices, and disconnect the power cords and all external cables; then, open the cover. 2. Pull open the memory-board retaining latches, and remove the memory-board assembly. See "Memory board" on page 115 for details. 3. Remove the shipping thumbscrews from the right side of the server, and lift the retention bracket from the server. 4. Remove the processor-board assembly from the server, and place it on a static-free, clean work surface. See "Processor-board assembly" on page 119 for details. 5. Remove the microprocessor and power module: Attention: Failure to complete the instructions in the prescribed order might cause damage to the microprocessor pins and cause the microprocessor to fail. a. Using the T-handled Torx wrench provided with the microprocessor FRU, completely loosen the power-module screws. b. Slide the power module from the microprocessor, and remove the power module. c. Completely loosen the heat-sink screws. d. Use the hex wrench provided with the microprocessor FRU to open the socket lock, and remove the heat sink and microprocessor. Microprocessor Power module 6. Replace the microprocessor and power module. See "Installing and replacing a microprocessor and power module" on page 100 for instructions. 7. Carefully install the processor-board assembly. See "Processor-board assembly" on page 119 for instructions. 8. Reinstall the retention bracket, and replace the two shipping thumbscrews. Chapter 5. Field replaceable units 121

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Microprocessor
and
power
module
Before
you
begin:
v
Read
“Installation
guidelines”
on
page
77.
v
Read
the
safety
notices
at
“Safety
notices
(multilingual
translations)”
on
page
201.
v
Read
“Handling
static-sensitive
devices”
on
page
200.
Complete
the
following
steps
to
remove
a
microprocessor:
1.
Turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cords
and
all
external
cables;
then,
open
the
cover.
2.
Pull
open
the
memory-board
retaining
latches,
and
remove
the
memory-board
assembly.
See
“Memory
board”
on
page
115
for
details.
3.
Remove
the
shipping
thumbscrews
from
the
right
side
of
the
server,
and
lift
the
retention
bracket
from
the
server.
4.
Remove
the
processor-board
assembly
from
the
server,
and
place
it
on
a
static-free,
clean
work
surface.
See
“Processor-board
assembly”
on
page
119
for
details.
5.
Remove
the
microprocessor
and
power
module:
Attention:
Failure
to
complete
the
instructions
in
the
prescribed
order
might
cause
damage
to
the
microprocessor
pins
and
cause
the
microprocessor
to
fail.
a.
Using
the
T-handled
Torx
wrench
provided
with
the
microprocessor
FRU,
completely
loosen
the
power-module
screws.
b.
Slide
the
power
module
from
the
microprocessor,
and
remove
the
power
module.
c.
Completely
loosen
the
heat-sink
screws.
d.
Use
the
hex
wrench
provided
with
the
microprocessor
FRU
to
open
the
socket
lock,
and
remove
the
heat
sink
and
microprocessor.
Power module
Microprocessor
6.
Replace
the
microprocessor
and
power
module.
See
“Installing
and
replacing
a
microprocessor
and
power
module”
on
page
100
for
instructions.
7.
Carefully
install
the
processor-board
assembly.
See
“Processor-board
assembly”
on
page
119
for
instructions.
8.
Reinstall
the
retention
bracket,
and
replace
the
two
shipping
thumbscrews.
Chapter
5.
Field
replaceable
units
121