IBM 8840 Hardware Maintenance Manual - Page 72

drive, backplane

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System board connector 8. Remove the power cage assembly from the server. To replace the power cage assembly, reverse the previous steps. Hard disk drive backplane This section contains instructions for removing and replacing the hard disk drive backplane. Note: v Read "Installation guidelines" on page 23. v Read the safety notices at Appendix B, "Safety information," on page 117. v Read "Handling static-sensitive devices" on page 25. Complete the following steps to remove the hard disk drive backplane: 1. Turn off the server and any attached devices. 2. Disconnect external cables and option cables from the back of the server. 3. Remove the server cover (see "Removing the cover" on page 28). 4. Remove the hard disk drives. 5. Remove the air baffle (see "Removing the air baffle" on page 29). 6. Remove the fan bracket (see "Fan bracket" on page 60). 7. Disconnect the two cables from the hard disk drive backplane. 8. Lift the two backplane release tabs, and remove the backplane from the server. 62 xSeries 346 Types 8840 and 1880: Hardware Maintenance Manual and Troubleshooting Guide

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System board connector
8.
Remove
the
power
cage
assembly
from
the
server.
To
replace
the
power
cage
assembly,
reverse
the
previous
steps.
Hard
disk
drive
backplane
This
section
contains
instructions
for
removing
and
replacing
the
hard
disk
drive
backplane.
Note:
v
Read
“Installation
guidelines”
on
page
23.
v
Read
the
safety
notices
at
Appendix
B,
“Safety
information,”
on
page
117.
v
Read
“Handling
static-sensitive
devices”
on
page
25.
Complete
the
following
steps
to
remove
the
hard
disk
drive
backplane:
1.
Turn
off
the
server
and
any
attached
devices.
2.
Disconnect
external
cables
and
option
cables
from
the
back
of
the
server.
3.
Remove
the
server
cover
(see
“Removing
the
cover”
on
page
28).
4.
Remove
the
hard
disk
drives.
5.
Remove
the
air
baffle
(see
“Removing
the
air
baffle”
on
page
29).
6.
Remove
the
fan
bracket
(see
“Fan
bracket”
on
page
60).
7.
Disconnect
the
two
cables
from
the
hard
disk
drive
backplane.
8.
Lift
the
two
backplane
release
tabs,
and
remove
the
backplane
from
the
server.
62
xSeries
346
Types
8840
and
1880:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide