Is PC3200 DDR SDRAM backward compatible with PC2700 and PC2100?

Discussion in 'IBM' started by jomason, May 19, 2005.

  1. jomason

    jomason Guest

    I saw an ad in this week's Circuit City flyer for "KINGSTON
    512MBPC3200/2700/2100 DDR SDRAM. I then look it up on the website and I
    read "Kingston Technologies 512MB PC3200 DDR SDRAM Desktop Memory."
    Does that mean that a PC3200 DIMM module is backward compatible with a
    PC2100 slot as long as it has the same number of pins (184) as the
    PC2100 slot?

    jomason, May 19, 2005
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  2. jomason

    Ben Myers Guest


    Yes, with one qualification. As with earlier SDRAM memory, there may be issues
    installing a newer DDR DIMM in an older system due to the use of high-density
    memory chips on the newer DIMM. The pin configurations for PC1600 (the
    original) up thru PC4000 are the same 184 pins... Ben Myers
    Ben Myers, May 31, 2005
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