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Memory
You can increase your computer memory by installing memory modules on the system board.
Your computer supports DDR2 memory. For additional information on the type of memory supported by your computer, see Memory.
DDR2 Memory Overview
l DDR2 memory modules should be installed in pairs of matched memory size and speed. If the DDR2 memory modules are not installed in matched pairs,
the computer will continue to operate, but with a slight reduction in performance. See the label on the upper-right or upper-left corner of the module to
determine the module's capacity.
The recommended memory configurations are:
¡ A pair of matched memory modules installed in DIMM connectors 1 and 2
or
¡ A pair of matched memory modules installed in DIMM connectors 1 and 2 and another matched pair installed in DIMM connectors 3 and 4
l If you install mixed pairs of PC2-5300 (DDR2 667-MHz) and PC2-6400 (DDR2 800-MHz) memory, the modules function at the speed of the slowest
module installed.
l Be sure to install a single memory module in DIMM connector 1, the connector closest to the processor, before you install modules in any other
connector.
.
slot (SLOT4)
19
PCI-Express x16 card
slot (SLOT7)
20
RTC reset jumper
(RTCRST)
21
battery socket (BATTERY)
22
password jumper
(PASSWORD)
23
power connector
(POWER2)
24
floppy drive (DSKT)
25
card cage fan
connector (FAN_CAGE)
26
liquid cooling
assembly
(TEC_PUMP)
27
processor (CPU)
28
processor fan
connector (FAN1_CPU)
NOTE: Always install DDR2 memory modules in the order indicated on the system board.
NOTICE: Do not install ECC memory modules.
A
matched pair of modules in DIMM connectors 1 and 2 (white securing
clips)
B
matched pair of memory modules in DIMM connectors 3 and 4 (black securing
clips)
NOTICE: If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that
you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module.
Otherwise, your computer may not start properly. You should install your original memory modules in pairs either in DIMM connectors 1 and 2 or DIMM