IBM 84885BU User Manual - Page 82

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SCSI backplane Before you begin: v Read Appendix B, "Safety information," on page 143. v Review the information in "System reliability guidelines" on page 25. remove the SCSI hot-swap backplane, complete the following steps: 1. Turn off the server, if it is on. 2. Disconnect the power cord from the power source and from the server; then, disconnect all external cables. 3. Remove the front bezel (see "Removing the bezel" on page 30). 4. Remove the side cover (see "Removing the side cover" on page 28). 5. Remove the frame-support bracket (see "Removing and installing the support bracket" on page 32). 6. Remove any hard disk drives or drive fillers from the drive bays. 7. Disconnect the cables from the backplane on the rear of the drive cage. 8. Press down on the drive cage release latch and swing the drive cage out. 9. Remove the screws that secure the backplane to the drive cage. To replace the backplane, reverse the steps. 72 xSeries 226 Type 8488 and 8648: Hardware Maintenance Manual and Troubleshooting Guide

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SCSI
backplane
Before
you
begin:
v
Read
Appendix
B,
“Safety
information,”
on
page
143.
v
Review
the
information
in
“System
reliability
guidelines”
on
page
25.
remove
the
SCSI
hot-swap
backplane,
complete
the
following
steps:
1.
Turn
off
the
server,
if
it
is
on.
2.
Disconnect
the
power
cord
from
the
power
source
and
from
the
server;
then,
disconnect
all
external
cables.
3.
Remove
the
front
bezel
(see
“Removing
the
bezel”
on
page
30).
4.
Remove
the
side
cover
(see
“Removing
the
side
cover”
on
page
28).
5.
Remove
the
frame-support
bracket
(see
“Removing
and
installing
the
support
bracket”
on
page
32).
6.
Remove
any
hard
disk
drives
or
drive
fillers
from
the
drive
bays.
7.
Disconnect
the
cables
from
the
backplane
on
the
rear
of
the
drive
cage.
8.
Press
down
on
the
drive
cage
release
latch
and
swing
the
drive
cage
out.
9.
Remove
the
screws
that
secure
the
backplane
to
the
drive
cage.
To
replace
the
backplane,
reverse
the
steps.
72
xSeries
226
Type
8488
and
8648:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide