I/O
Backplane
Replacement
To
replace
the
I/O
backplane,
do
the
following:
1.
Before
handling
any
card,
board,
or
memory
DIMM,
be
sure
to
use
your
electrostatic
discharge
strap
to
minimize
static-electric
discharge.
Refer
to
“Handling
Static-Sensitive
Devices”
on
page
42.
2.
Note
the
location
of
pin
1
on
the
VPD
module.
3.
Remove
the
VPD
module
that
was
installed
on
the
new
I/O
backplane.
4.
Install
the
VPD
module
from
the
old
I/O
backplane
onto
the
new
I/O
backplane.
Note:
When
installing
the
VPD
module,
ensure
that
pin
1
is
in
the
correct
orientation.
5.
Carefully
align
the
I/O
backplane
to
the
alignment
pins
located
on
the
chassis
base.
6.
Replace
the
three
front
retaining
screws
that
secure
the
I/O
backplane
to
the
chassis.
7.
Correctly
align
and
then
place
the
plastic
membrane
that
protects
the
I/O
backplane
over
the
I/O
backplane.
Secure
it
in
place
with
five
retaining
screws.
8.
Reconnect
the
following
cables,
in
the
order
listed,
to
their
respective
connectors
located
on
the
front
of
the
I/O
backplane:
v
Cooling
blower
cable
v
Disk
drive
power
cable
v
Disk
drive
SPCN
cable
v
Operator
panel
cable
9.
Go
to
the
rear
of
the
subsystem
chassis,
and
replace
the
two
rear
retaining
screws.
Note:
The
two
threaded
screw
holes
used
to
secure
the
rear
of
the
I/O
backplane
to
the
rear
of
the
subsystem
chassis
are
located
just
below
the
left
SPCN
connector
and
the
rack-indicator
connector.
10.
Replace
the
power-supply
bulkhead
by
doing
the
following:
a.
Rotate
the
power-supply
bulkhead,
placing
the
top
right
corner
under
the
chassis
support
bracket.
b.
Align
the
slotted
tab,
located
on
the
lower
edge
of
the
power
supply
bulkhead,
with
the
alignment
pin,
located
on
the
subsystem
chassis.
c.
Align
the
four
clearance
holes
located
on
the
power-supply
bulkhead
with
the
four
screw
holes
located
on
the
upper
and
lower
subsystem
chassis.
Note:
When
aligning
the
power-supply
bulkhead,
wiggle
it
until
properly
seated.
d.
Secure
the
power-supply
bulkhead
to
the
subsystem
chassis
with
four
retaining
screws.
11.
Replace
the
PCI
adapter-headstock
bracket.
12.
Align
the
four
clearance
holes
on
the
bracket
with
the
four
screw
holes
located
on
the
chassis.
13.
Secure
the
PCI
adapter-headstock
bracket
to
the
chassis
with
four
retaining
screws.
14.
Replace
the
SCSI
cable
bracket,
aligning
the
two
screw
holes
and
securing
it
with
two
retaining
screws
to
the
chassis
retaining
bracket.
15.
Reconnect
the
SPCN
connectors
from
the
back
of
the
subsystem
chassis.
16.
Replace
the
power
supplies
or
the
power
supply
filler
as
described
in
“Power
Supply
Replacement”
on
page
151.
17.
Replace
the
RIO
bus
adapter
as
described
in
“RIO
Bus
Adapter
Replacement”
on
page
126.
18.
Reconnect
the
RIO-2
cables
from
the
RIO
connectors
located
on
the
rear
of
the
subsystem.
Chapter
3.
Removal
and
Replacement
Procedures
159
Summary of Contents for eserver pSeries 7311 D10
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