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ASUS P4P800E-deluxe and dual channel memory

I have installed two pairs of Kingston kit memory sticks on my P4P800E-deluxe (2x1GB and 2x512GB) but the computer only shows 1.5GB. I have tried all types of different arrangements in the memory channels, but nothing works. Should I be changing something in the BIOS?
Any help you can give would be highly appreciated.

Thank you.

Wellesley Johnson

Posted by on

  • vsempere Jun 24, 2008

    I have just installed two 1G kingston modules in the first channel and another
    two 512M modules in the second one, well, the system reports that the
    total memory is 2944 M. Where is the other 128 M memory?
    I have read in the manual that the South bridge needs certain amount of
    memory. Maybe this is the cause. Does somebody know anything about this
    issue?
    Thanks in advance.
    Vicente. vsempere@gmail.com




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2 Answers

AGP Memory hole, in the BIOS setup, was the cause of "lost" of my 128Mbytes of memory.
Regards

Posted on Oct 25, 2008

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I'm not totally sure whether this would make that big of a difference or not, but the ASUS QVL for that motherboard does not list both those particular memory modules (Kingston 1GB) as being supported for double dual channels, only for single dual, or for single channels only and there is some note in the memory specifications and setup configuration about not reading all the memory due to some bridge or another, but still optimizing all the memory.

You might want to ask ASUS about it.

Posted on Dec 16, 2007

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