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SIMM
Last modified: Wednesday, April 23, 2003 

chips
Acronym for single in-line memory module, a small circuit board that can hold a group of memory chips. Typically, SIMMs hold up to eight (on Macintoshes) or nine (on PCs) RAM chips. On PCs, the ninth chip is often used for parity error checking. Unlike memory chips, SIMMs are measured in bytes rather than bits. SIMMs are easier to install than individual memory chips.

The bus from a SIMM to the actual memory chips is 32 bits wide. A newer technology, called dual in-line memory module (DIMM), provides a 64-bit bus. For modern Pentium microprocessors that have a 64-bit bus, you must use either DIMMs or pairs of SIMMs.

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For internet.com pages about SIMM . Also check out the following links!

Related Links

Memory Packaging 
Information from Hardware Central on SIMMs and DIMMs

SIMMs
An article from The Pc Guide with SIMM information.

Upgrading Your RAM
Make the most of your programs with more memory.

Yahoo!'s memory retailers page
Yahoo!'s directory of memory retailers.

Sponsored listings

SIMM Memory Is Easy at Arch Memory - Provides a complete gateway to quality computer memory, with overnight shipping available. SIMM and other memory for desktops, laptops, and more.

related categories

Hardware

Memory

related terms

chip

DIMM

fab

fabless

RAM

silicon

SO DIMM


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