Tom's Hardware > Forum > Graphic & Displays > Graphics Cards > BSOD when enabling crossfire with two 512mb X1800XT's

BSOD when enabling crossfire with two 512mb X1800XT's

Forum Graphic & Displays : Graphics Cards - BSOD when enabling crossfire with two 512mb X1800XT's

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Can anyone help me with this? Everytime I try to enable crossfire on my computer I get a BSOD. The error msg says "The video memory manager has encountered anunexpected fatal error". My specs are as follows :

800W PSU
Core 2 Duo 2.66Ghz
2GB Ram
Asus P5W DH Deluxe mobo
1 512Mb X1800 Crossfire Edition
1 512Mb X1800XT
Vista Ultimate
Latest drivers (updated today)

Also, when I try to load ATI Tool it tells me :

The kernel mode driver does not seem to be running.
A Device driver is required for communication with your video hardware.

I only get this message when I open the ATI tool, games play fine,could this be anything to do with it?Anyone having similar problems? Any help would be greatly appreciated, thanks!

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