IBM 4846-545 Service Guide - Page 77

Memory, modules, removing, replacing

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Removing and replacing FRUs Memory modules - removing and replacing Attention: Establish personal grounding before touching this unit. For more information, see "Electrostatic Discharge (ESD)" on page 130. All system boards have 2 memory sockets. See Figure 31. The factory-installed base memory occupies one of the sockets. If you order is greater than the base memory, you may or may not have an empty socket. A Figure 31. Memory socket location 1. Switch OFF the power to the SurePOS 500. Unplug the power cord from the external power source. 2. Remove the back cover. See "Rear cover removal" on page 30. 3. As shown in Figure 25 on page 47, lower the I/O tailgate cover. 4. Locate the memory modules. See A in Figure 31. Chapter 3. Removing and replacing FRUs for the SurePOS 500 Models 545 and 565 55

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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
130.
All
system
boards
have
2
memory
sockets.
See
Figure
31.
The
factory-installed
base
memory
occupies
one
of
the
sockets.
If
you
order
is
greater
than
the
base
memory,
you
may
or
may
not
have
an
empty
socket.
1.
Switch
OFF
the
power
to
the
SurePOS
500.
Unplug
the
power
cord
from
the
external
power
source.
2.
Remove
the
back
cover.
See
“Rear
cover
removal”
on
page
30.
3.
As
shown
in
Figure
25
on
page
47,
lower
the
I/O
tailgate
cover.
4.
Locate
the
memory
modules.
See
±A²
in
Figure
31.
A
Figure
31.
Memory
socket
location
Removing
and
replacing
FRUs
Chapter
3.
Removing
and
replacing
FRUs
for
the
SurePOS
500
Models
545
and
565
55