IBM 8676 Hardware Maintenance Manual - Page 84

guidelines

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SCSI backplane Complete the following steps to remove the SCSI backplane. Note: v Read "Installation guidelines" on page 37. v Read the safety notices at "Safety information" on page 119. v Read "Handling electrostatic discharge-sensitive devices" on page 122. 1. Turn off the server. 2. Disconnect all power cords and external cables from the back of the server. 3. Remove the server from the rack. 4. Pull out the hard drives. 5. Remove the server cover (see "Removing the cover and bezel" on page 44). 6. Disconnect th cables from the SCSI backplane. Note: The illustrations in this publication might differ slightly from your hardware. Retention notches Retention tabs 7. Gently pull up on the backplane until it is released from the server at the notches; then, pull the backplane out of the server. To replace the SCSI backplane, reverse the previous steps, making sure to align the tabs and notches. 74 xSeries 335 Type 8676, Type 8830: Hardware Maintenance Manual and Troubleshooting Guide

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SCSI
backplane
Complete
the
following
steps
to
remove
the
SCSI
backplane.
Note:
v
Read
“Installation
guidelines”
on
page
37.
v
Read
the
safety
notices
at
“Safety
information”
on
page
119.
v
Read
“Handling
electrostatic
discharge-sensitive
devices”
on
page
122.
1.
Turn
off
the
server.
2.
Disconnect
all
power
cords
and
external
cables
from
the
back
of
the
server.
3.
Remove
the
server
from
the
rack.
4.
Pull
out
the
hard
drives.
5.
Remove
the
server
cover
(see
“Removing
the
cover
and
bezel”
on
page
44).
6.
Disconnect
th
cables
from
the
SCSI
backplane.
Note:
The
illustrations
in
this
publication
might
differ
slightly
from
your
hardware.
Retention tabs
Retention
notches
7.
Gently
pull
up
on
the
backplane
until
it
is
released
from
the
server
at
the
notches;
then,
pull
the
backplane
out
of
the
server.
To
replace
the
SCSI
backplane,
reverse
the
previous
steps,
making
sure
to
align
the
tabs
and
notches.
74
xSeries
335
Type
8676,
Type
8830:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide