120 Installing System Components
Installing Memory Modules
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.
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.

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."

3

Locate the memory module sockets. See Figure6-1.

4

Press the ejectors on the memory module socket down and out, as shown

in Figure3-18, to allow the memory module to be inserted into the socket.

5

Handle each memory module only on either card edge, making sure not to

touch the middle of the memory module.

Advanced
ECC
1-GB none X
XX
X
XX
2
4
all 4
8
all
2-GB none X
XX
X
XX
4
8
all 8
16
all
Mirroring 1-GB none X
XX
X
XX
2
4
1
2
4
8
2
4
2-GB none X
XX
X
XX
4
8
2
4
8
16
4
8
Table 3-3. UDIMM Memory Configurations (continued)
Memory
Mode
Memory
Module
Size
Memory Sockets Single Processor Dual Processor
1
4
2
5
3
6
Physical
Memory
(GB)
Available
Memory
(GB)
Physical
Memory
(GB)
Available
Memory
(GB)