Vista Install 失敗ｗ

Iwill DK8Nで、先日届いたWindows Vista Ultimate CD-ROMからブートし、クリーンインストールを試みた。
結果。

A problem has been detected and windows hasbeen shut down to prevent damage to your computer.
If this isthe first time you've seen thisstop error screen,

restart your computer. If this screen appears again, follow

these steps:
The BIOS in this system is not fully ACPI compliant. Please contact your

system vendor for an update BIOS.
Thechnical information:


    
STOP: 0x000000A5 (0x00000017,0x00000022,0x00000000,0x00000000)