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RAM right or wrong?

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  • RAM right or wrong?

    I've always understood that hard disc sizes get exaggerated by sellers
    dividing by 1000 instead of 1024. I also understand about usable disc
    space being less than quoted sizes due to sectorisation.

    But I've never come across this before..

    My new Dell laptop was sold as having 1024MB RAM. Both Vista and the
    BIOS report the amount of RAM as 894MB. Dell CS have used both the
    reasons in the first paragraph as reasons for the discrepancy. The other
    suggested reason is that some of the RAM is shared with the video card -
    but why as the Radeon Xpress 1150 has 256MB of its own?

    Can someone explain please?

  • #2
    It doesn't have 256MB of its own. Following a link from ATI/AMD gives us this:

    "The Radeon Xpress 1100/1150 IGPs feature a Radeon X300 graphics core clocked at 300Mhz (Xpress 1100) and 400MHz (Xpress 1150). Up to 128MB of memory can be allocated to the GPU thanks to ATI's HyperMemory technology. "

    So, you have a gig of RAM. More or less.