Windows Vista Ram Problem

Discussion in 'Windows, Linux & Others on the Mac' started by williamjems, Sep 5, 2009.

  1. williamjems macrumors newbie

    Joined:
    Sep 4, 2009
    #1
    Hi all,

    I have installed Windows Vista Ultimate 64 bit on AMD 64 4000+ system with 4Gb of ram, however in system menu shows that the windows detects only 3.25Gb. Any ideas why this is so?
    Thanks in advance.
     
  2. fishyuk macrumors newbie

    Joined:
    Aug 2, 2007
    Location:
    Near London UK
    #2
    Seems odd but are you using an integrated graphics system board (e.g. Radeon 3200 or nvidia). If so it is probably allocating that much RAM to itself. You may be able to change the allocation amount in the graphics driver panel or otherwise from the system BIOS. I know on the AMD/ATI 3200based systems (780G chipset) you can change the BIOS to Auto/128/256/512MB allocated.

    Have a similar problem with my Macbook Pro running x86 Vista. Only seeing about 2.7GB when should see about 3.5. Seems to be the integrated nVidia card hogging the RAM but I don't have a clue how to change the allocation on a Mac.
     

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