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Memory
Your computer supports non-ECC DDR2 memory only. For more information on the type of
memory supported by your computer, see the "Memory" section of the specifications for your
computer:
• "Mini Tower Computer (Model #DCSM) Specifications" on page 31
• "Desktop Computer (Model # DCNE) Specifications" on page 105
• "Small Form Factor Computer (Model # DCCY) Specifications" on page 193
NOTICE: Before you install new memory modules, download the most recent BIOS for your computer from
the Dell Support website at support.dell.com.
NOTE: Memory purchased from Dell is covered under your computer warranty.
DDR2 Memory Overview
Dual-channel DDR2 memory modules should be installed in pairs of matched memory size. If the
DDR2 memory modules are not installed with the same amount of memory in each channel, the
computer will continue to operate, but with a slight reduction in performance. See the label in the
upper-right corner of the module to determine the module’s capacity.
NOTICE: Do not install ECC memory modules. Doing so may cause the system not to boot or otherwise impact
performance.
NOTE: Always install DDR2 memory modules in the order indicated on the system board.
The recommended memory configurations are:
• A pair of matched memory modules installed in connectors DIMM1 and DIMM2
or
• A memory module installed in connector DIMM1
or