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Windows XPsp2 Pro and 4gig RAM

Discussion in 'Software' started by Carlk, 31 May 2005.

  1. Carlk

    Carlk What's a Dremel?

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    Hey wonder if anyone can help... got a pc here with 4gig ram (dont ask me why they need so much) and windows only see's it as 2.75. is there anyway we can make it see all 4gig??

    Cheers for any help

    Carl
     
  2. Atomic

    Atomic Gerwaff

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    Hardware specs?
     
  3. Carlk

    Carlk What's a Dremel?

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    ermmmm... 4x 300gb sata, 2x6600gt , 4gig ram, Asus A8N-nf4, FX55.
     
  4. kenco_uk

    kenco_uk I unsuccessfully then tried again

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    Do they run the internet?

    edit: Ah, I think I found the answer. Have you tried switching the page file off? I would assume that it's set to 1.25GB.
     
    Last edited: 31 May 2005
  5. r00t69

    r00t69 What's a Dremel?

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    Well WinXP does support 4GB. Does the BIOS see all 4GB? Is it a PCI-Express board as this will explain some of the missing memory. Also have you added the /PAE switch to the boot.ini?
     
  6. Carlk

    Carlk What's a Dremel?

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    yup all 4gig in BIOS and yeap there running the internet
     
  7. r00t69

    r00t69 What's a Dremel?

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    Did you check for the /PAE switch in boot.ini. If it's not there add it at the very end. Should look something like this.

    multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /noexecute=optin /fastdetect /PAE

    BTW the boot.ini is a hidden system file normaly at the root of C:
     
  8. kenco_uk

    kenco_uk I unsuccessfully then tried again

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    The /PAE switch applies to certain versions of Windows only it would seem, according to this.

    Just in case you missed it btw:

    Ah, I think I found the answer. Have you tried switching the page file off? I would assume that it's set to 1.25GB.
     
  9. Carlk

    Carlk What's a Dremel?

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    yup, PF turned off... im gunna try the boot.ini

    Cheers
     
  10. Firehed

    Firehed Why not? I own a domain to match.

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    In the A8N there's some bios setting like "remap ram over 4G", try finding and enabling it.
     
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