Memory resource conflict Geforce FX 5500 and AMD 751 to AGP controller

By hatty
Sep 13, 2008
  1. Hi all!

    I'm trying to install a GeForce FX5500 AGP graphics card and in Device Manager I get a code 12 "this device cannot find enough free resources that it can use". As a result the screen resolution and colour depth are low.

    When I boot up in safe mode Device Mananger allows me to see that the conflict is with "memory range D0000000-E7FFFFFF not available". This is because the AMD 751 Processor to AGP Controller has also been assigned a chunk of this memory.

    I have been trying to solve this problem by manually re-assigning the resources but I can't uncheck the "Use automatic settings" box on the resources tab.

    I have tried changing the PnP settings in the BIOS to see if this makes any difference but it doesn't.
    I.e. I have tested every combination for PnP OS (No/Yes) and Resources Controlled By (Auto/Manual) and this doesn't help me uncheck the box.

    Other things I've tried are:

    Signing is as an administrator.

    Re-installing the Graphics card with the latest drivers.

    Resetting the ESCD and DMI using the BIOS.

    Is there another way to re-assign the resources or solve the conflict?

    computer's spec is:

    gigabyte GA-7IX
    AMD athlon 550
    640 MB RAM
    Win XP Pro SP2
    Award Modular BIOS v6.00 PG
  2. CCT

    CCT TS Evangelist Posts: 2,653   +6

    Turn off any ports you are not using, ie, Com1, Com2 or LPT1.
  3. hatty

    hatty TS Rookie Topic Starter

    Thanks CCT.

    I disabled Onboard Serial Ports 1 and 2 in the BIOS but no improvement.

    Is this what you meant ?
  4. CCT

    CCT TS Evangelist Posts: 2,653   +6

    Yes - Since you played around in the Bios, I'd suggest a reset.

    Then set AGP aperture to 256.
  5. hatty

    hatty TS Rookie Topic Starter

    Reset to fail safe defaults and changed aperture as suggested but no joy.
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