Looks like i celibrated too early,
I get these freezes again.
Tryed:
Unplugging unnecessary hardware, (DVD+RW, 2 hard drivers, case fans)
diff Ram, DDR400 & DDR2 667, @ 333 MHZ & 226 MHZ
CPU, stock, overclock, and underclocks (temps stable)
Vid card tests, all stable no...