PazSt_Ft2k ( Tip, Trick PC )

This tweak enables XP to turn off your computer automatically at shutdown.

1. Goto /Start/Control Panel/Performance and Maintenance/System.
2. Select the Hardware tab and then select Device Manager.
3. Under the 'View' menu select Show Hidden Devices. Double click NT/Apm/Legacy

Interface Node and enable device. De-select show hidden devices again and re-boot.
Now your PC will shutdown automatically just like good old Windows 98.