3.
Pull
open
the
memory-board
retaining
latches,
and
remove
the
memory-board
assembly.
NOTE:FOR PROPER AIRFLOW, REPLACE FANWITHIN 2 MINUTES
FRONT OF BOX
NOTE:FOR PROPER AIRFLOW, REPLACE FANWITHIN 2 MINUTES
FRONT OF BOX
4.
Set
the
memory-board
assembly
on
a
static-free,
clean
work
surface,
and
remove
the
DIMMs
and
VRMs
that
will
be
reused.
See
“Installing
memory”
on
page
98.
5.
Remove
the
memory
board
from
the
memory-board
assembly.
6.
Install
the
DIMMs
and
VRMs
that
were
removed
in
step
4
into
the
new
board.
7.
Reinstall
the
memory
board.
8.
Reinstall
the
memory-board
assembly.
Note:
When
you
install
or
remove
the
memory
board,
the
server
configuration
information
changes.
Therefore,
you
must
change
and
save
the
new
configuration
information
by
using
the
Configuration/Setup
Utility
program
(see
“Starting
the
Configuration/Setup
Utility
program”
on
page
12).
Memory-board
voltage
regulator
module
(VRM)
This
section
contains
instructions
for
removing
and
replacing
memory-board
VRMs.
Before
you
begin:
v
Read
“Installation
guidelines”
on
page
77.
v
Read
the
safety
notices
at
“Safety
notices
(multilingual
translations)”
on
page
201.
v
Read
“Handling
static-sensitive
devices”
on
page
200.
To
remove
a
voltage
regulator
module
(VRM)
from
the
memory
board,
complete
the
following
steps:
1.
Turn
off
the
server
(see
“Turning
off
the
server”
on
page
8),
and
disconnect
all
power
cords
and
external
cables.
2.
Open
the
DIMM
access
door
that
covers
the
memory-board
VRM
that
you
are
removing.
116
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide