W7 32bit ... can I use all of my 4GB RAM ?

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  1. Posts : 164
    W7 64 bit ultimate
    Thread Starter
       #11

    sinbin said:
    no u cant use it,,flop your 64 bit disk and run that,,

    Not sure what ' flop' your 64 bit disk means ?


    I have only just upgraded to W72 32 ultimate ... as the Windows 7 compatibility tester advised this was the most complete version of W7 I could install.

    I just run tester gain and for 64bit it advise "you will need to install a custom install"

    It does give me a link to Dell website - which seems as much use as a chocolate teapot.
    I'm assuming my h/w is only 32bit and not going to get the benefits of a 64 bit system.
      My Computer


  2. Posts : 12,012
    Windows 7 Home Premium SP1, 64-bit
       #12

    If a Microsoft application told you that 64-bit would require a custom install, why not do a custom install of 64-bit?

    Is this the tool to which you refer:

    Windows 7 Upgrade Advisor - Download - Microsoft Windows
      My Computer


  3. Posts : 164
    W7 64 bit ultimate
    Thread Starter
       #13

    Yep..that was the tool
      My Computer


  4. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
       #14

    This is not a RAM question but a question of Address Space. 32bit has an address space of 4GB-1 and all components that have memory or need RAM have to be accomodated in that space.

    Even if you have e.g. a GPU with let's say 1GB of it's own memory, it will need the address space from the 4GBs in order to be able to address it's own memory. Then there are a few other system components that need address space or real RAM.

    Bottom line: typically a 32bit system with 4GB of RAM will give you 3.25GB usable. But if you have a bigger requirement for the GPU, it can be less.

    Here is an article that describes it pretty well: Maximum Memory in 32-bit Windows Vista : Windows Vista and Windows 7 Help
      My Computer


 
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