Removing
a
memory
module
To
remove
a
DIMM,
complete
the
following
steps.
1.
Read
the
safety
information
that
begins
on
page
vii
and
“Installation
guidelines”
on
page
28.
2.
Turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cord
and
all
external
cables.
Attention:
In
a
dc
power
environment,
only
trained
service
personnel
other
than
IBM
service
technicians
are
authorized
to
connect
or
disconnect
power
to
the
dc
power
supply.
See
the
documentation
that
comes
with
each
dc
power
supply.
3.
Remove
the
cover
(see
“Removing
the
cover”
on
page
31).
4.
Remove
the
riser-card
assembly
(see
“Removing
the
riser-card
assembly”
on
page
32).
5.
Remove
the
air
baffle
over
the
DIMMs
(see
“Removing
the
DIMM
air
baffle”
on
page
36).
Attention:
To
avoid
breaking
the
retaining
clips
or
damaging
the
DIMM
connectors,
open
and
close
the
clips
gently.
6.
Open
the
retaining
clip
on
each
end
of
the
DIMM
connector.
7.
Lift
the
DIMM
out
of
the
connector.
8.
Replace
the
DIMM
or
remove
the
second
DIMM
of
the
pair.
If
you
have
other
optional
devices
to
install
or
remove,
do
so
now.
Otherwise,
go
to
“Completing
the
installation”
on
page
81.
Installing
a
hot-swap
power
supply
Attention:
The
information
in
this
document
regarding
installing
and
removing
power
supplies
and
connecting
and
disconnecting
power
refers
to
ac
power
supplies
only.
If
the
server
contains
dc
power
supplies,
see
the
documentation
that
comes
with
the
dc
power
supplies.
In
a
dc
power
environment,
only
trained
service
personnel
other
than
IBM
service
technicians
are
authorized
to
connect
or
disconnect
power
to
the
dc
power
supply
and
to
install
and
remove
a
dc
power
supply.
The
server
supports
a
maximum
of
two
hot-swap
ac
power
supplies.
Important:
Only
the
configurations
that
are
shown
in
the
following
table
are
supported.
The
fan
numbers
are
printed
on
the
microprocessor
air
baffle.
72
System
x3650
Type
7979:
User’s
Guide
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