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Thread: Video ram error - 2 slot

  1. #1
    Super Spy Agent
    bartre's Avatar
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    Video ram error - 2 slot

    Hey guys,

    Got a 2 slot MVS motherboard that's giving me a a video ram error on bootup.
    Error message is -
    Address Write Read
    00008000 55555 0F00

    based on what I'm reading, that's indicating the RAM chips are bad.
    is there anything else I should check before replacing chips or to point to which specific ram chip it is?

    Where can I get new ram?
    Quote Originally Posted by Rot View Post
    2. This is by far the dumbest thread I've seen in a while..

  2. #2
    Robert Garcia's Butler
    GadgetUK's Avatar
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    Quote Originally Posted by bartre View Post
    Hey guys,

    Got a 2 slot MVS motherboard that's giving me a a video ram error on bootup.
    Error message is -
    Address Write Read
    00008000 55555 0F00

    based on what I'm reading, that's indicating the RAM chips are bad.
    is there anything else I should check before replacing chips or to point to which specific ram chip it is?

    Where can I get new ram?
    I think that address 8000h relates to the fast VRAM CXK5814's. You can often find these on eBay or AliExpress. There are probably arcade parts stockists that still hold stock of these too. Worth checking you do have that type on the board, cannot remember if they swapped the chip type for some more modern SMD component on the later 2 slots? (probably not)
    My YouTube channel contains some MVS repairs and stuff:-
    http://www.youtube.com/user/GadgetUK164

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