Random lockup/reboots on Asus A7N266-C

[ksoth]

I recently got this motherboard setup. It works ok, but while playing games it will sometimes lock up or reboot. The only games I have on there are Diablo 2 and Baldur's Gate. Baldur's Gate has locked up only a couple times, but Diablo 2 will lock up or reboot pretty much eery time I play it. Sometimes I can play for a couple hours before it will reboot, and sometimes it will reboot within just a few minutes of playing. This only happens in games, and the computer has not crashed/froze up/rebooted a single time outside of playing one of these games. What I think it might be is the video card (GeForce 256) and the integrated audio are both sharing IRQ 11, even though IRQ 10 is open, and I have no idea how to keep that from happening. There is a programmable interrupt controller for this board, but the BIOS only let's me change the IRQ for the PCI slots, not the AGP, and the only choices for the audio are "AUTO" or "DISABLED" in the BIOS. No matter what, IRQ 11 is assigned to the video AND the audio. Even with everything disabled (COM, Parallel, USB) and no other cards in the board (modem, LAN), it will still make the video and onboard audio share IRQ 11, even though 3, 4, 7, and 10 are free. Also, if I don't manually assign the IRQs to the modem and LAN, it makes them both share IRQ 5 with 2 other system devices, which is retarded. This is really confusing and if anyone has this board, or a similar one, and knows how to fix these problems, or the system doesn't make devices share IRQs, let me know. Thanks in advance.