Hello, I'm new here. Got the same error on my setup Event Type: Warning Event Source: WMIxWDM Event Category: None Event ID: 106 Description: Machine Check Event reported is a corrected error. I ran the Prime 95 torture test for a medium duration and nothing found. In normal conditions my system runs fine without any problem. I get this error only if I wake my system from stand-by, but nothing dissapear and there is no misbehavior in resuming. I can resume Windows X64 without any problem. But often I get this message as a warning. Not always! I discovered that this behavior in Windows X64 is inherent with Vista PCI to ISA bridge missing when booting up. This results in the lost of the graphic interface Aero so graphic drivers reinstall themself immediately, but a restart is required ans Windows X64 fix this problem on-line. Windows X64 never forgot drivers and the PCI to Isa bridge runs fine. I also discover that a cold boot results in a 3 time reboot before BIOS information turns on screen. The third time the machine always boot up and never fails, but it's some strange behavior. I guess it's a bug in the BIOS. It is not always the CPU. Now my CPU ran at stock speeds, but it handles a 20% overclock without doubt. But the mainquestion of this story is: Could it be confirmed we face a BIOS problem by design or? System: Asus A8R-MVP with BIOS 0503 AMD64+ 3800+ Venice s939 4x1024 MB DDR400 2 IDE harddisks ATi X1950pro GPU High range 500 watt PSU 22 inch TFT running @ 1680x1050 Debug code: 0000: 01 00 00 00 01 00 00 00 ........ 0008: c0 76 47 2a ad 35 c8 01 ÀvG*5È. 0010: 00 00 00 00 00 00 00 00 ........ 0018: 04 00 00 00 00 00 00 00 ........ 0020: 0f 0c 02 00 10 00 00 a2 .......¢ 0028: 00 00 00 00 00 00 00 00 ........ 0030: 00 00 00 00 00 00 00 00 ........ 0038: 00 00 00 00 00 00 00 00 ........ 0040: 00 00 00 00 00 00 00 00 ........ 0048: 00 00 00 00 00 00 00 00 ........ 0050: 00 00 00 00 00 00 00 00 ........ 0058: 00 00 00 00 00 00 00 00 ........ 0060: 00 00 00 00 00 00 00 00 ........ 0068: 00 00 00 00 00 00 00 00 ........ 0070: 00 00 00 00 00 00 00 00 ........ 0078: 00 00 00 00 00 00 00 00 ........ 0080: 00 00 00 00 00 00 00 00 ........ 0088: 00 00 00 00 00 00 00 00 ........ 0090: 00 00 00 00 00 00 00 00 ........ 0098: 00 00 00 00 00 00 00 00 ........ 00a0: 00 00 00 00 00 00 00 00 ........ 00a8: 00 00 00 00 00 00 00 00 ........ 00b0: 00 00 00 00 00 00 00 00 ........ 00b8: 00 00 00 00 00 00 00 00 ........ 00c0: 00 00 00 00 00 00 00 00 ........ 00c8: 00 00 00 00 00 00 00 00 ........ 00d0: 00 00 00 00 00 00 00 00 ........ 00d8: 00 00 00 00 00 00 00 00 ........ 00e0: 00 00 00 00 00 00 00 00 ........ 00e8: 00 00 00 00 00 00 00 00 ........ 00f0: 00 00 00 00 00 00 00 00 ........ 00f8: 00 00 00 00 00 00 00 00 ........ At 0008, the letter is always "A "