Hello! How is everybody doing!
I've recently built an AMD system with the following specifications:

Motherboard: DFI AK76-SN Rev. A+
Processor: AMD Athlon 1.33 GHz @ 266 MHz FSB
CPU Fan: GlobalWin WBK38 ( Noisy! )
Memory: 256MB DDR PC2100 SDRAM unbuffered
Hard Drive: Western Digital WD200 ( 20.0 GB, ATA 100, 7200RPM )
Graphics: Creative 3D Blaster GeForce2 Ultra
Sound: Creative Sound Blaster Audigy
Modem: USR PCI HARDWARE Modem OEM model 2977
300W Power Supply
Windows 2000 Professional
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The problem is, whenever I try to play a 3D Accelerated game ( e.g. Half Life , Flight Simulator 2000 ) The system hangs and reboots automaticlly. It displays a blue screen before restarting ( it says something about dumping the physical memory ).
I've checked the IRQ settings and found that SB Audigy shares IRQ with GeForce2 Ultra.
 
Thanks in advance.