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DDR Memory

Discussion in 'Memory - RAM' started by biferi, Mar 18, 2019.

  1. biferi

    biferi Registered Members

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    Am I Right DDR1. has 184 Pins?

    And if it is ECC does it have more Pins?
     
  2. allheart55 (Cindy E)

    allheart55 (Cindy E) Administrator Administrator

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    Yes, it is 184 pins and ECC doesn't change that.
     
  3. biferi

    biferi Registered Members

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    I ask because if a SIMM was None Parity it was 30 Pins.
    But if it was Parity it was 72 Pins.

    So I thought if a DIMM was ECC the Pin Count would go up.

    So if a DIMM is ECC or None ECC why does it's Pin Count Stay the same?

    Thanks for all the help.
     
  4. biferi

    biferi Registered Members

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    And am I Right DDR2. and DDR3. both have 240 Pins?
     
  5. Rustys

    Rustys Registered Members

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  6. biferi

    biferi Registered Members

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    Now I want to know if I have the Bandwidth down Right?

    DDR Memory Transfers 64 Bits on the Rise and Fall of every Cycle.

    So in One Cycle it Transfers 128 Bits.

    And if it it DDR2. and it says 800 MHz on it.
    Then it is Transfering 128 Bits X 800 = 96,000,000 Bits a SEC Right?
     
  7. biferi

    biferi Registered Members

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    Do I have this Right?
     

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