i have abit ka7-100 m/b, amd athlon 850w alpha p7125 heatsink,3d annihilator pro geforce,toshiba dvd/cd,sound blaster live,wd 15g hard drive,300w ps,win 98os. when i try to play quake 3,delta force 2,my computer reboots i have latest via 4in1 drivers and nvidia drivers and current bios for motherboard...can anyone help me out!thanks for your time.