What does SIMM stand for?

What does SIMM mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: SIMM.

We've found a total of 13 definitions for SIMM:

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SIMM

Single In-line Memory Module

Computing » Hardware

   
SIMM

Single In-line Memory Module

Computing » Networking

   
SIMM

Single In-line Memory Module

Governmental » Military

   
SIMM

Single Inline Memory Module

Computing » Drivers

   
SIMM

Scaling Innovations in Mobile Money

Miscellaneous » Unclassified

   
SIMM

Statewide Information Management Manual

Miscellaneous » Unclassified

   
SIMM

Single Inline Memmory Modual

Miscellaneous » Unclassified

   
SIMM

Students in Money Management

Miscellaneous » Unclassified

   
SIMM

Skills Inventory Management Method

Miscellaneous » Unclassified

   
SIMM

Seattle Interactive Media Museum

Miscellaneous » Unclassified

   
SIMM

Shanghai Institute of Materia Medica

Miscellaneous » Unclassified

   
SIMM

Software for Interactive Musculoskeletal Modeling

Miscellaneous » Unclassified

   
SIMM

Singapore Institute of Materials Management

Community » Non-Profit Organizations

   

What does SIMM mean?

SIMM
A SIMM, or single in-line memory module, is a type of memory module containing random access memory used in computers from the early 1980s to the late 1990s. It differs from a dual in-line memory module, the most predominant form of memory module today, in that the contacts on a SIMM are redundant on both sides of the module. SIMMs were standardised under the JEDEC JESD-21C standard. Most early PC motherboards used socketed DIP chips. With the introduction of 286-based IBM XT/286, which could use larger amounts of memory, memory modules evolved to save motherboard space and to ease memory expansion. Instead of plugging in eight or nine single DIP DRAM chips, only one additional memory module was needed to increase the memory of the computer. A few 286-based computers used memory modules like SIPP memory. The SIPP's 30 pins often bent or broke during installation, which is why they were quickly replaced by SIMMs which used contact plates rather than pins. SIMMs were invented and patented by Wang Laboratories. Wang invented what was to become the basic memory module, now known as a SIMM in 1983. The original memory modules were built upon ceramic and had pins. Later the pins were removed and the modules were built on standard PCB material.

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