http://www.acpi.info/
It is also unadvisable to disable it.
If the Advanced Configuration and Power Interface (ACPI) option is enabled in your computer's BIOS when you initially install Windows XP and you later disable the ACPI option, you will receive error messages on a blue screen when you start Windows.
It is also unadvisable to disable it.
If the Advanced Configuration and Power Interface (ACPI) option is enabled in your computer's BIOS when you initially install Windows XP and you later disable the ACPI option, you will receive error messages on a blue screen when you start Windows.