IBM 8872 Service Guide - Page 137

Removing, replacing, Front-panel, assembly

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Page 137 highlights

1. Read the safety information that begins on page vii and "Installation guidelines" on page 99. 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 (see "Top cover and bezel" on page 113). 4. Pull the hard disk drives out of the server slightly to disengage them from the SAS backplane. 5. Note where the SAS cables are connected, and then disconnect the two SAS cables from the SAS backplane. 6. Squeeze the two blue release tabs. 7. Lift the SAS backplane out of the server slightly; then, disconnect the power cable and remove the backplane. 8. If you are instructed to return the SAS backplane, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. To install the replacement SAS backplane, complete the following steps: 1. Connect the power cable to the replacement backplane. 2. Slide the backplane into the card guides. 3. Align the slots in the backplane with the guide tabs; then, press firmly until the blue tabs secure the backplane. 4. Reconnect the SAS cables to the backplane. 5. Install the top cover (see "Top cover and bezel" on page 113). 6. Slide the server into the rack. 7. Replace the hard disk drives. 8. Connect the cables and power cords (see "Completing the installation" in the Installation Guide or User's Guide for cabling instructions). 9. Turn on all attached devices and the server. Removing and replacing FRUs FRUs must be installed only by trained service technicians. Front-panel assembly To remove the front-panel assembly, complete the following steps: Release button Chapter 4. Removing and replacing server components 121

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1.
Read
the
safety
information
that
begins
on
page
vii
and
“Installation
guidelines”
on
page
99.
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
(see
“Top
cover
and
bezel”
on
page
113).
4.
Pull
the
hard
disk
drives
out
of
the
server
slightly
to
disengage
them
from
the
SAS
backplane.
5.
Note
where
the
SAS
cables
are
connected,
and
then
disconnect
the
two
SAS
cables
from
the
SAS
backplane.
6.
Squeeze
the
two
blue
release
tabs.
7.
Lift
the
SAS
backplane
out
of
the
server
slightly;
then,
disconnect
the
power
cable
and
remove
the
backplane.
8.
If
you
are
instructed
to
return
the
SAS
backplane,
follow
all
packaging
instructions,
and
use
any
packaging
materials
for
shipping
that
are
supplied
to
you.
To
install
the
replacement
SAS
backplane,
complete
the
following
steps:
1.
Connect
the
power
cable
to
the
replacement
backplane.
2.
Slide
the
backplane
into
the
card
guides.
3.
Align
the
slots
in
the
backplane
with
the
guide
tabs;
then,
press
firmly
until
the
blue
tabs
secure
the
backplane.
4.
Reconnect
the
SAS
cables
to
the
backplane.
5.
Install
the
top
cover
(see
“Top
cover
and
bezel”
on
page
113).
6.
Slide
the
server
into
the
rack.
7.
Replace
the
hard
disk
drives.
8.
Connect
the
cables
and
power
cords
(see
“Completing
the
installation”
in
the
Installation
Guide
or
User’s
Guide
for
cabling
instructions).
9.
Turn
on
all
attached
devices
and
the
server.
Removing
and
replacing
FRUs
FRUs
must
be
installed
only
by
trained
service
technicians.
Front-panel
assembly
To
remove
the
front-panel
assembly,
complete
the
following
steps:
Release
button
Chapter
4.
Removing
and
replacing
server
components
121