IBM 4840-544 Service Guide - Page 98

Memory, modules, removing, replacing

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Memory modules August 3, 2006 Memory modules - removing and replacing Attention: Establish personal grounding before touching this unit. For more information, see "Electrostatic discharge (ESD)" on page 197. The system board provides two memory-module sockets. See Figure 49. You can install any combination of memory modules into either socket and in any combination of sizes. Figure 49. Memory socket location 1. Switch OFF the power to the SurePOS 500 Models 5x3 and 544/564. Unplug the power cord from the external power source. 2. Remove the back cover. See "Covers - removing and replacing" on page 36. 3. Remove the rear inner metal cover. See "Rear inner metal cover - removing and replacing" on page 78. 4. Press the latches away from the module. See Figure 50 on page 73. 5. Touching only the top corners of the module, pull it gently until it is free from the socket. 72

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Memory
modules
–
removing
and
replacing
Attention:
Establish
personal
grounding
before
touching
this
unit.
For
more
information,
see
“Electrostatic
discharge
(ESD)”
on
page
197.
The
system
board
provides
two
memory-module
sockets.
See
Figure
49.
You
can
install
any
combination
of
memory
modules
into
either
socket
and
in
any
combination
of
sizes.
1.
Switch
OFF
the
power
to
the
SurePOS
500
Models
5x3
and
544/564.
Unplug
the
power
cord
from
the
external
power
source.
2.
Remove
the
back
cover.
See
“Covers
–
removing
and
replacing”
on
page
36.
3.
Remove
the
rear
inner
metal
cover.
See
“Rear
inner
metal
cover
–
removing
and
replacing”
on
page
78.
4.
Press
the
latches
away
from
the
module.
See
Figure
50
on
page
73.
5.
Touching
only
the
top
corners
of
the
module,
pull
it
gently
until
it
is
free
from
the
socket.
Figure
49.
Memory
socket
location
Memory
modules
August
3,
2006
72