9700 series have compatibility problems, but not 9800 series. anyway, upgrade your BIOS and lets see.
ATi has this bad thing, that they have compatibility problems in hardware and software as well, unlike nVidia.
Intel Core2Quad 2.66Ghz 12MB L2-Cache
4096MB DDR Kingston Hyper-X
XFX 9600GT AlphaDog
Seagate 2 X 320GB SATA2
LG L246WH Flatron 24"