This article is about a type of memory module for computers. For other uses, see SIMM (disambiguation).
30-pin, proprietary Apple 68-pin, and 72-pin SIMMs
A SIMM (single in-line memory module) is a type of memory module used in computers from the early 1980s to the early 2000s. It is a printed circuit board on which has random-access memory attached to one or both sides.[1] It differs from a dual in-line memory module (DIMM), the most predominant form of memory module since the late 1990s, 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 (8088-based PCs, XTs, and early ATs) used socketed DIP chips for DRAM. As computer memory capacities grew, memory modules were used to save motherboard space and ease memory expansion. Instead of plugging in eight or nine single DIP chips, only one additional memory module was needed to increase the memory of the computer.
^"What is DIMM(Dual Inline Memory Module)?". GeeksforGeeks. 2020-04-15. Retrieved 2024-04-07. In the case of SIMM, the connectors are only present on the single side of the module...DIMM has a row of connectors on both sides(front and back) of the module
Simm may refer to: SIMM (single in-line memory module), a type of memory module used in computers Simm (hill), a hill in the British Isles that is over...
A SIMM (single in-line memory module) is a type of memory module used in computers from the early 1980s to the early 2000s. It is a printed circuit board...
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