Caution
-
Before
you
handle
any
components,
wear
a
wrist
strap
to
ground
any
static
electricity.
If
you
perform
this
procedure
without
a
wrist
strap,
individual
components
or
the
overall
system
may
be
damaged.
For
details,
see
Note
-
Record
the
positions
of
the
cables
before
removing
them
to
ensure
that
they
are
reinstalled
correctly.
This
is
because
these
PSU
backplanes
store
device
identification
information.
■
Set
the
system
time.
After
replacing
the
PSU
backplane,
you
need
to
set
the
system
time.
For
details,
see
"Notes
on
Maintenance
of
a
CPU
Memory
Unit,
Motherboard
Unit,
XSCF
Unit,
PSU
Backplane,
or
Crossbar
Backplane
Unit"
in
the
Fujitsu
M10/SPARC
M10
Systems
Product
Notes
for
the
latest
XCP
version.
12.4
Removing
the
PSU
Backplane
This
section
describes
the
procedure
for
removing
the
PSU
backplane.
Enable
the
removal
of
the
PSU
backplane
before
attempting
to
remove
it.
For
details,
see
"
."
12.4.1
Accessing
the
PSU
backplane
1.
Remove
all
the
power
supply
units.
For
details,
see
"
2.
Pull
the
chassis
out
of
the
rack.
For
details,
see
"
."
3.
Open
the
fan
cover.
For
details,
see
"
."
4.
Remove
the
upper
cover.
For
details,
see
"
5.
Remove
the
air
duct
and
the
PSU
backplane
cover.
For
details,
see
"
."
12.4.2
Removing
the
PSU
backplane
1.
Remove
the
three
(3)
cables
from
the
motherboard
unit
that
connect
the
PSU
backplane
to
the
motherboard
unit.
Chapter
12
Maintaining
the
PSU
Backplane
153
Summary of Contents for Oracle M10-1
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