64bit OS Only 3.8GB RAM available

Discussion in 'Microsoft Windows 7' started by Oracle, Sep 4, 2009.

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  1. Oracle

    Oracle CompSci Robotics Graduate

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    Hello all,

    I've recently installed Win7 Pro x64 on my Toshiba M750 and have noticed something a little odd.


    In System Information I have the following:

    Installed memory (RAM): 4.00GB (3.80GB usable)


    I expected to see the whole 4GB available, it being a 64bit OS and all.

    I _think_ this is because of the integrated graphics card taking some memory to use but I need to investigate further, just wondered if anybody else has the same "problem"?


    I'll be posting about what worked and what didn't driver wise, etc. in the next few days. Don't worry it's nearly all good news :)
     
    Oracle, Sep 4, 2009
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  2. mmccord

    mmccord Scribbler - Standard Member

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    Don't have an M750, but it probably is the video card.
     
    mmccord, Sep 4, 2009
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  3. Luthian

    Luthian Pen Pal - Newbie

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    I would have to agree, with my tx2500 and its Integrated graphics, I only have about 3.8 GB available as well.
     
    Luthian, Sep 7, 2009
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  4. Frank

    Frank Scribbler - Standard Member Senior Member

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    What does the resource monitor show in the Memory tab?
    Mine shows (win 7x64 (translated from german to english)):
    Available: 2409MB
    Cache: 1505MB
    Total: 4086MB
    Installed: 4096MB
     
    Last edited by a moderator: May 18, 2015
    Frank, Sep 9, 2009
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  5. Oracle

    Oracle CompSci Robotics Graduate

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    Thanks Frank!

    I hadn't come across that particular place to view memory before, I've always just used the performance tab in task manager without clicking through to the full resource manager.

    Here's what mine looks like:

    [​IMG]

    As you can see it has 201MB reserved for hardware which is probably the graphics as I suspected.

    The breakdown diagram is very useful actually.


    EDIT: Seems part of the reason I hadn't seen that breakdown diagram before is because it's new to Win7, the resource monitor looks very different on my old Vista laptop.
     
    Oracle, Sep 10, 2009
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