Owners Manual

Installing System Components 87
1.Requires x4- or x8-based memory modules.
Installing 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 Open the system. See "Opening the System" on page 70.
3 Remove the cooling shroud. See "Removing the Cooling Shroud" on
page 72.
Table 3-2. Sample UDIMM Memory Configurations
Memory Mode
Memory
Module Size
Memory Sockets Processor
4 1 2 3 Physical
Memory (GB)
Available
Memory (GB)
Optimizer 1-GB
X
X
X
X
X
X
X
X
X
X
1
2
3
4
all
2-GB
X
X
X
X
X
X
X
X
X
X
2
4
6
8
all
Advanced ECC
1
1-GB XX 2all
2-GB XX 4all
Mirroring 1-GB XX 21
2-GB XX 42
book.book Page 87 Friday, February 26, 2010 11:22 AM