IBM 8671 Hardware Maintenance Manual - Page 132

Installation

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DASD backplane Complete the following steps to remove the DASD backplane. Note: v Read "Installation guidelines" on page 45. v Read the safety notices at "Safety information" on page 169. v Read "Handling electrostatic discharge-sensitive devices" on page 172. 1. Turn off the server. 2. Disconnect all external cables and power cords from the back of the server. 3. Pull out the hard drives. 4. Remove the server cover (see "Removing the left-side cover" on page 55). 5. Remove the two front fans (see "Replacing a hot-swap fan" on page 94). 6. Disconnect and remove adapters and spacers (see "Working with adapters" on page 60). 7. Remove the two central fans (see "Replacing a hot-swap fan" on page 94). 8. Remove the plastic baffle. 9. Disconnect the DASD cable from the DASD backplane. 10. Press the release latches and pull the backplane out of the server. 11. To replace the DASD backplane, reverse the previous steps, making sure to place the backplane assembly over the two guide pins on the chassis floor. 122 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

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DASD
backplane
Complete
the
following
steps
to
remove
the
DASD
backplane.
Note:
v
Read
“Installation
guidelines”
on
page
45.
v
Read
the
safety
notices
at
“Safety
information”
on
page
169.
v
Read
“Handling
electrostatic
discharge-sensitive
devices”
on
page
172.
1.
Turn
off
the
server.
2.
Disconnect
all
external
cables
and
power
cords
from
the
back
of
the
server.
3.
Pull
out
the
hard
drives.
4.
Remove
the
server
cover
(see
“Removing
the
left-side
cover”
on
page
55).
5.
Remove
the
two
front
fans
(see
“Replacing
a
hot-swap
fan”
on
page
94).
6.
Disconnect
and
remove
adapters
and
spacers
(see
“Working
with
adapters”
on
page
60).
7.
Remove
the
two
central
fans
(see
“Replacing
a
hot-swap
fan”
on
page
94).
8.
Remove
the
plastic
baffle.
9.
Disconnect
the
DASD
cable
from
the
DASD
backplane.
10.
Press
the
release
latches
and
pull
the
backplane
out
of
the
server.
11.
To
replace
the
DASD
backplane,
reverse
the
previous
steps,
making
sure
to
place
the
backplane
assembly
over
the
two
guide
pins
on
the
chassis
floor.
122
xSeries
235
Type
8671:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide