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Installing System Components 79
NOTE: An empty DIMM socket is marked as “_”. For best performance, all the
memory modules installed must be of the same speed, capacity, and from the same
manufacturer.
Removing Memory Modules
WARNING: The memory modules are hot to the touch for some time after the
system has been powered down. Allow time for the memory modules to cool
before handling them. Handle the memory modules by the card edges and avoid
touching the components on the memory module.
CAUTION: Many repairs may only be done by a certified service technician.
You should only perform troubleshooting and simple repairs as authorized in
your product documentation, or as directed by the online or telephone service
and support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
with the product.
1
Turn off the system, including any attached peripherals, and disconnect
the system from the electrical outlet.
2
Remove the system-board assembly. See "Removing a System-Board
Assembly" on page 61.
3
Remove the cooling shroud. See "Removing the Cooling Shroud" on
page 63.
4
Locate the memory module sockets. See Figure 3-15.
6 – – –
12
Processor 1
CH A CH B CH C
1–– –– – –
4 – –– –
6 – – –
12
Table 3-2. Memory Module Configurations
DIMM DIMM0 DIMM1 DIMM0 DIMM1 DIMM0 DIMM1
book.book Page 79 Thursday, March 4, 2010 4:38 PM