Hi, Your CPU is to new, I guess Penryn based. The driver will work if you just fix: /* check if family 6, models e, f */ if ((c->cpuid_level < 0) || (c->x86 != 0x6) || !((c->x86_model == 0xe) || (c->x86_model == 0xf))) { to: /* check if family 6, models e, f */ if ((c->cpuid_level < 0) || (c->x86 != 0x6) || !((c->x86_model == 0xe) || (c->x86_model == 0x17))) { Thanks, Rudolf