| Short
for Dual In-line Memory Module, DIMM is a type
of circuit board that holds memory chips. DIMMs have a 64-bit
path because of the Pentium Processor requirements. Because of the new
bit path, DIMMs can be installed one at a time, unlike SIMMs on a
Pentium that would require two to be added. Below is an example image of
a 512MB DIMM memory stick.

SO-DIMM is short for Small Outline
DIMM and is available as a 72-pin and 144-pin configuration. SO-DIMMs
are commonly utilized in laptop computers.
Some of the advantages DIMMs
have over SIMMs:
- DIMMs have separate contacts on
each side of the board, thereby providing twice as much data as a
single SIMM.
- The command address and control
signals are buffered on the DIMMs. With heavy memory requirements
this will reduce the loading effort of the memory.
- Additional help and information with
computer memory can be found on our
memory
help page.
Also see: Memory definitions,
RAM
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