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What does the sub card do in a thinkpad A20,A21,A22?????

Discussion in 'IBM Thinkpad' started by SaberX, Jun 7, 2005.

  1. SaberX

    SaberX Guest

    Just wanted to know?
    It's seems that the 14.1" screen on my thinkpad is a bit dark.
    Has that something to do with the sub card?
    SaberX, Jun 7, 2005
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