IBM 86884RX Maintenance Manual - Page 148

power, board, drive, backplane

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Top power board 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 the top power board. 1. Turn off the server (see "Turning off the server" on page 8), and disconnect all power cords and external cables. 2. Remove the top cover assembly (see "Top cover assembly" on page 137), and set it upside-down on a clean work surface. 3. Remove the two screws securing the power board to the top cover. 4. Pull the power board away from the cover. 5. To install the top power board, reverse the above steps. Hard disk drive backplane 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 the hard disk drive backplane. 1. Turn off the server (see "Turning off the server" on page 8), and disconnect all power cords and external cables. 2. Open the cover (see "Opening the cover" on page 88). 3. Remove the power supplies (see "Removing and replacing a hot-swap power supply" on page 90). 138 IBM xSeries 450 Type 8688: Hardware Maintenance Manual and Troubleshooting Guide

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Top
power
board
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
the
top
power
board.
1.
Turn
off
the
server
(see
“Turning
off
the
server”
on
page
8),
and
disconnect
all
power
cords
and
external
cables.
2.
Remove
the
top
cover
assembly
(see
“Top
cover
assembly”
on
page
137),
and
set
it
upside-down
on
a
clean
work
surface.
3.
Remove
the
two
screws
securing
the
power
board
to
the
top
cover.
4.
Pull
the
power
board
away
from
the
cover.
5.
To
install
the
top
power
board,
reverse
the
above
steps.
Hard
disk
drive
backplane
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
the
hard
disk
drive
backplane.
1.
Turn
off
the
server
(see
“Turning
off
the
server”
on
page
8),
and
disconnect
all
power
cords
and
external
cables.
2.
Open
the
cover
(see
“Opening
the
cover”
on
page
88).
3.
Remove
the
power
supplies
(see
“Removing
and
replacing
a
hot-swap
power
supply”
on
page
90).
138
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide