Need some help

By IceAoA
Mar 30, 2008
  1. ok I just put in a new motherboard to upgrade my old e-machine the new mobo is a p4m900-m4 i'm reading in the manual here and on their site that it can take 4 gb of ram when i installed the ram and cranked it up it only reading 2.43 gb can anyone help?
  2. kimsland

    kimsland Ex-TechSpotter Posts: 14,523

    Xp 32 Bit can't read 4Gig only 3 (and less if video mem being used too)

    Xp 64Bit
    and Vista will read 4Gig ok

    So it's not just the motherboard maximum specs, it's also the OS
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