YhLu <YhLu at tyan.com> writes: > northbridge/amd/amdk8/cpu_rev.c > > static int is_cpu_pre_c0(void) > { > return (cpuid_eax(1) & 0xffef) < 0x0f48; > } > > Why need to and 0xffef? Look at the various cpuid values that happen to be c0 stepping processors. Eric