IBM 8862 Hardware Maintenance Manual - Page 94

Attention, Notes

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16. Set the assembly on a firm and static-protective work surface; then, remove the six screws that secure the power backplane to the backerplate and set the screws in a safe place. Note: Any serrated washers located at the screw holes remain in place. 17. If you are replacing the power backplane, remove the power backplane from the backerplate; then, position the replacement power backplane on the backerplate and attach it with the six screws that were removed in step 16. Attention: Do not overtighten the screws. 18. If you are replacing the I/O board, remove the power backplane from the backerplate and position it on the new backerplate containing the replacement I/O board; then, attach it with the six screws that were removed in step 16. Attention: Do not overtighten the screws. 19. Reinstall the I/O board and power backplane assembly by angling the front end of the assembly into the chassis first; then, gently slide it toward the front of the server while lowering the rear of the assembly into the chassis. 20. Align the two notches on each side of the assembly with the two metal loops on each side of the chassis. 21. Grasping the center flange, slide the assembly toward the rear of the server until it is in place. 22. Finger-tighten the two thumbscrews on the rear of the server. Attention: Do not overtighten the screws. 23. Replace the power supply structure (see "Power-supply structure" on page 78). 24. Continue the reassembly procedure by following steps 1 on page 81 through 11 on page 82 in reverse order. Notes: a. Be sure to route the cables in between the fans, and then through the channel with the plastic lip. b. The SCSI backplane cable and the external SCSI cables have similar connectors; be sure to reconnect them correctly. c. The cable for the Remote Supervisor Adapter II must be routed over the top of the PCI adapter insulator located closest to the center of the server. Do not route the cable underneath this insulator. d. Be sure to align the Remote Supervisor Adapter II cable correctly; the Remote Supervisor Adapter II is keyed to accept the cable in one direction only. 84 IBM xSeries 365 Types 8861, 8862: Hardware Maintenance Manual and Troubleshooting Guide

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16.
Set
the
assembly
on
a
firm
and
static-protective
work
surface;
then,
remove
the
six
screws
that
secure
the
power
backplane
to
the
backerplate
and
set
the
screws
in
a
safe
place.
Note:
Any
serrated
washers
located
at
the
screw
holes
remain
in
place.
17.
If
you
are
replacing
the
power
backplane,
remove
the
power
backplane
from
the
backerplate;
then,
position
the
replacement
power
backplane
on
the
backerplate
and
attach
it
with
the
six
screws
that
were
removed
in
step
16.
Attention:
Do
not
overtighten
the
screws.
18.
If
you
are
replacing
the
I/O
board,
remove
the
power
backplane
from
the
backerplate
and
position
it
on
the
new
backerplate
containing
the
replacement
I/O
board;
then,
attach
it
with
the
six
screws
that
were
removed
in
step
16.
Attention:
Do
not
overtighten
the
screws.
19.
Reinstall
the
I/O
board
and
power
backplane
assembly
by
angling
the
front
end
of
the
assembly
into
the
chassis
first;
then,
gently
slide
it
toward
the
front
of
the
server
while
lowering
the
rear
of
the
assembly
into
the
chassis.
20.
Align
the
two
notches
on
each
side
of
the
assembly
with
the
two
metal
loops
on
each
side
of
the
chassis.
21.
Grasping
the
center
flange,
slide
the
assembly
toward
the
rear
of
the
server
until
it
is
in
place.
22.
Finger-tighten
the
two
thumbscrews
on
the
rear
of
the
server.
Attention:
Do
not
overtighten
the
screws.
23.
Replace
the
power
supply
structure
(see
“Power-supply
structure”
on
page
78).
24.
Continue
the
reassembly
procedure
by
following
steps
1
on
page
81
through
11
on
page
82
in
reverse
order.
Notes:
a.
Be
sure
to
route
the
cables
in
between
the
fans,
and
then
through
the
channel
with
the
plastic
lip.
b.
The
SCSI
backplane
cable
and
the
external
SCSI
cables
have
similar
connectors;
be
sure
to
reconnect
them
correctly.
c.
The
cable
for
the
Remote
Supervisor
Adapter
II
must
be
routed
over
the
top
of
the
PCI
adapter
insulator
located
closest
to
the
center
of
the
server.
Do
not
route
the
cable
underneath
this
insulator.
d.
Be
sure
to
align
the
Remote
Supervisor
Adapter
II
cable
correctly;
the
Remote
Supervisor
Adapter
II
is
keyed
to
accept
the
cable
in
one
direction
only.
84
IBM
xSeries
365
Types
8861,
8862:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide