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Thread: sdram vs dimm

  1. #1
    Join Date
    Jan 2009
    Posts
    74

    sdram vs dimm

    Hi,

    I want to know about this dram & dimm difference.
    If anyone of you can explain me what is the difference between these two type of ram that will be a great help.
    Or please guide me to a link explaining the differences.

  2. #2
    Join Date
    May 2008
    Posts
    656

    Re: sdram vs dimm

    DIMM = Duel Inline Memory Module
    SIMM = Single Inline Memory Module
    Dimm is 2 simms together.

    SD-RAM = Static Dynamic RAM

    You can not compare SD-RAM & SIMM with each other.

  3. #3
    Join Date
    May 2008
    Posts
    666

    Re: sdram vs dimm

    A DIMM, or dual in-line memory module, comprises a series of dynamic random access memory integrated circuits. These modules are mounted on a printed circuit board and designed for use in personal computers, workstations and servers. DIMMs began to replace SIMMs (single in-line memory modules) as the predominant type of memory module as Intel's Pentium processors began to gain market share.

    The main difference between SIMMs and DIMMs is that DIMMs have separate electrical contacts on each side of the module, while the contacts on SIMMs on both sides are redundant. Another difference is that standard SIMMs have a 32-bit data path, while standard DIMMs have a 64-bit data path. Since Intel's Pentium has (as do several other processors) a 64-bit bus width, it requires SIMMs installed in matched pairs in order to complete the data bus. The processor would then access the two SIMMs simultaneously. DIMMs were introduced to eliminate this practice.

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