)
Values for APM error code:
 01h	power management functionality disabled
 02h	interface connection already in effect
 03h	interface not connected
 04h	real-mode interface not connected
 05h	16-bit protected-mode interface already connected
 06h	16-bit protected-mode interface not supported
 07h	32-bit protected-mode interface already connected
 08h	32-bit protected-mode interface not supported
 09h	unrecognized device ID
 0Ah	invalid parameter value in CX
 0Bh	(APM v1.1) interface not engaged
 0Ch	(APM v1.2) function not supported
 0Dh	(APM v1.2) Resume Timer disabled
 0Eh-1Fh reserved for other interface and general errors
 20h-3Fh reserved for CPU errors
 40h-5Fh reserved for device errors
 60h	can't enter requested state
 61h-7Fh reserved for other system errors
 80h	no power management events pending
 81h-85h reserved for other power management event errors
 86h	APM not present
 87h-9Fh reserved for other power management event errors
 A0h-FEh reserved
 FFh	undefined