1.開機時進入BIOS>Advanced>USB Configuration設定

Legacy USB Support 選[Auto]
USB 2.0 Controller 選[Enabled]
USB 2.0 Controller Mode 選[HiSpeed]

2.WINDOWS XP 升級到SP1以上.

PS.倘若你有ASUS P4P800使用手冊則在4-23 & 4-24頁有說明.