Dell PowerEdge T300 Series Hardware Owner's Manual page 129

7 Remove the SAS controller card, if applicable (see "RAID Battery" on
page 99).
8 Remove the internal USB memory key, if applicable (see Figure 6-1).
9 Remove all memory modules (see "Removing Memory Modules" on
page 111).
NOTE:
Record the memory module socket locations to ensure proper
reinstallation of the memory modules.
CAUTION:
The processor and heat sink can become extremely hot. Allow
sufficient time for the processor and heat sink to cool before handling.
NOTICE:
To prevent damaging the processor, do not pry the heat sink off of the
processor.
10 Remove the processor (see "Removing the Processor" on page 114).
11 Remove the SAS backplane, if applicable (see "Removing the SAS
Backplane" on page 124).
12 Carefully route any loose cables away from the edges of the system board.
13 Pull up on the system board release pin, then slide the system board
assembly toward the front of the system.
14 Lift the system board out of the system.
Installing System Components
129