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  1. #1
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    Join Date: Jun:2001
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    Posts: 12,761

    RAM

    , , , . , :

    ----------------------------

    72-pin SIMM (Single Inline - ):

    1 X 32 = 4Mb, no parity
    1 X 36 = 4Mb, parity
    .
    .
    .
    16 X 36 = 64Mb, parity

    -> "X 32" , .. 1Mb X 32-bits = 4Mb X 8-bits
    -> " 36" SIMM, + 4-bits parity ( 8-bits 1)
    .. "X 32" "X 36", , , :

    8 X 32 = 32Mb, no parity ( 8b X 32-bits = 32Mb X 8-bits)

    ----------------------------

    168-pin DIMM (Dual Inline - ):

    2 X 64 = 16Mb
    4 X 64 = 32Mb
    .
    .
    .
    64 X 64 = 512Mb

    -> "X 64" e , .. 2Mb X 64-bits = 16Mb X 8-bits
    .. "X 64", , , :

    8 X 64 = 64Mb

    ----------------------------

    (memory):
    30-pin = 8-bit
    72-pin = 32-bit
    168-pin = 64-bit

    (processor):
    386SX = 16-bit
    386DX = 32-bit
    486SX/DX = 32-bit
    Pentium = 64-bit

    , :

    2 X 30-pin = 1-bank on 386SX
    4 X 30-pin = 1-bank 486
    1 X 72-pin = 1-bank on 486
    8 X 30-pin = 1-bank on Pentium ( , )
    2 X 72-pin = 1-bank on Pentium
    1 x 168-pin = 1-bank on Pentium

    ----------------------------

    144-pin SO-DIMM (Small Outline) 64-bit a DIMM SDRAM.

    ----------------------------

    , , . .

  2. #2
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  3. #3
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