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cant get 2 video cards to work together :(

GoingUp

Lifer
Argh. Im frustrated and baffled.

I have a AGP BFG 6600GT OC.
I also have an apollo PCI FX 5200.

These cards will not work together to let me extend my desktop over multiple monitors. I can boot with one card in at a time and have everything work fine, but when I try to extend the desktop from one monitor to another, my system locks up.

If the PCI card is selected in the bios as the first INIT, and the AGP card is present, the system will lock up and BSOD on boot.

If the AGP card is selected during boot, and the PCI card is present, the AGP card will get initialized, but not the PCI card. Once I get into windows, and try to extend my desktop, windows crashes.

It doesn't matter if I hook the monitors up via analog or digital.

If I give the system more than 64mb of memory in the bios for video ram, i cant select dual monitors. ive had both monitors run fine off of the 6600gt, but im trying to goto a third monitor setup at the moment. so far for testing I have only been testing out one monitor on each card.

Ive tried 4 different driver versions and messed with almost all of the settings in the bios... write speed, transfer speed, shadowing video ram etc.

Does it sound like my mobo is bad? the video card? im baffled. :bang: :bang: :bang:
 
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