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old intel board not accepting dimm

Discussion in 'Hardware' started by aburnside, Dec 31, 2001.

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  1. aburnside

    aburnside Thread Starter

    Dec 8, 2001

    my girlfriend's system is an old, ap-style, system with i believe a 120mhz processor and 16mb ram in two 8mb simms. the intel 82440vx board (which i cannot find any documentation to online) has one dimm connector. the schematic in the manual shows it as dimm 0.

    when i plug a 64mb pc100 (kingsington value ram) into the connector and boot, the system does not recognize the newly added ram. if i remove the two simms, the system doesn't boot. i took the ram and plugged it into one of my systems and it worked fine. open for suggestions.

  2. brianF


    Dec 2, 1999
    can't find any info on the board.

    Only though is if it's that old it may require pc66 memory.

    Older motherboards weren't configured to work with the faster memory
  3. stanggt2


    Jun 2, 2001
    Not real sure but you might look in the bios to see if you have to turn one off to use the other. I have never heard of this but it might be worth a try
  4. Alex Ethridge

    Alex Ethridge

    Apr 10, 2000
    Ditto on Brian's PC66 suggestion. I have seen this situation so many times I could not even begin to count them.

    Some of the older 66-MHz-bus systems just will not see 100-MHz memory--or, if it sees it at all, not see all of it.

    Just last week, I installed a 64-Meg DIMM into an older system. It saw 16 megs of it. I put in a 256-Meg and it saw 32 Megs of it. I put in a 512 and it saw 64 Megs. Then there are those systems like yours that see none of it.
  5. rugrat


    Dec 16, 2001
    Ditto everyone else on the pc66. Sometimes those boards will see pc133 even when they will not see pc100. I have an old FIC 502 in the basement that is like that.

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