IBM 4846-545 Service Guide - Page 71

System, board, removing, replacing

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Removing and replacing FRUs System board - removing and replacing Attention: Establish personal grounding before touching this unit. See "Electrostatic Discharge (ESD)" on page 130. Note: The system board assembly comes with a tray and top cover. Figure 27. Removing the system board 1. Switch OFF the power to the SurePOS 500. Unplug the power cord from the external power source. 2. Follow the steps described in "Rear cover removal" on page 30. 3. Remove the power supply as described in "Power supply - removing and replacing" on page 45 4. Disconnect the cables and remove the I/O tailgate cover as described in "Rear connector panel (tailgate) - removing and replacing" on page 47 5. Grasp the entire assembly and slide it out toward the top as shown in Figure 27. Chapter 3. Removing and replacing FRUs for the SurePOS 500 Models 545 and 565 49

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System
board
–
removing
and
replacing
Attention:
Establish
personal
grounding
before
touching
this
unit.
See
“Electrostatic
Discharge
(ESD)”
on
page
130.
Note:
The
system
board
assembly
comes
with
a
tray
and
top
cover.
1.
Switch
OFF
the
power
to
the
SurePOS
500.
Unplug
the
power
cord
from
the
external
power
source.
2.
Follow
the
steps
described
in
“Rear
cover
removal”
on
page
30.
3.
Remove
the
power
supply
as
described
in
“Power
supply
–
removing
and
replacing”
on
page
45
4.
Disconnect
the
cables
and
remove
the
I/O
tailgate
cover
as
described
in
“Rear
connector
panel
(tailgate)
–
removing
and
replacing”
on
page
47
5.
Grasp
the
entire
assembly
and
slide
it
out
toward
the
top
as
shown
in
Figure
27.
Figure
27.
Removing
the
system
board
Removing
and
replacing
FRUs
Chapter
3.
Removing
and
replacing
FRUs
for
the
SurePOS
500
Models
545
and
565
49