Dell PowerEdge 2900 Hardware Owner's Manual (PDF) - Page 108

Remove the CPU processors. See

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12 If a RAC card is present in the system, disconnect the RAC cables from the system board. Leave the RAC card attached to the expansion-bay bracket. Squeeze the metal tabs on the ends of the RAC cable connector and gently work the connector out of the socket. 13 Remove the expansion-bay bracket: a Pull inward on the latch on the left side of the bracket along the system chassis wall. b Pull the bracket slightly forward to free the bracket from the chassis tabs and lift the bracket up and out of the chassis. 14 Remove the TOE key, if present. See Figure 6-2. 15 Disconnect all cables from the connectors on the front edge of the system board. CAUTION: The DIMMs are hot to the touch for some time after the system has been powered down. Allow time for the DIMMs to cool before handling them. Handle the DIMMs by the card edges and avoid touching the DIMM components. 16 Remove the memory modules. See "Removing Memory Modules" on page 87. 17 Remove the CPU processor(s). See "Replacing a Processor" on page 89. 18 To remove the system board: a Lift up the blue retention pin and slide the system board toward the front of the system to disengage the board from the hooks on the chassis. See Figure 3-33. b Lift the system board out of the system chassis. 108 Installing System Components

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108
Installing System Components
12
If a RAC card is present in the system, disconnect the RAC cables from the system board.
Leave the
RAC card attached to the expansion-bay bracket.
Squeeze the metal tabs on the ends of the RAC cable connector and gently work the connector out of
the socket.
13
Remove the expansion-bay bracket:
a
Pull inward on the latch on the left side of the bracket along the system chassis wall.
b
Pull the bracket slightly forward to free the bracket from the chassis tabs and lift the bracket up
and out of the chassis.
14
Remove the TOE key, if present. See Figure 6-2.
15
Disconnect all cables from the connectors on the front edge of the system board.
CAUTION:
The DIMMs are hot to the touch for some time after the system has been powered down. Allow time
for the DIMMs to cool before handling them. Handle the DIMMs by the card edges and avoid touching the DIMM
components.
16
Remove the memory modules. See
"Removing Memory Modules" on page 87
.
17
Remove the CPU processor(s). See
"Replacing a Processor" on page 89.
18
T
o remove the system board:
a
Lift up the blue retention pin and slide the system board toward the front of the system to
disengage the board from the hooks on the chassis. See
Figure 3-33
.
b
Lift the system board out of the system chassis.