Category: power management

INT 15 - Advanced Power Management v1.1+ - ENGAGE/DISENGAGE POWER MANAGEMENT

	AX = 530Fh
	BX = device ID (see #00474)
	CX = function
	    0000h disengage power management
	    0001h engage power management
Return: CF clear if successful
	CF set on error
	    AH = error code (01h,09h) (see #00473)
Notes:	unlike AX=5308h, this call does not affect the functioning of the APM
	when cooperative power management is disengaged, the APM BIOS performs
	  automatic power management of the system or device
SeeAlso: AX=5308h,AX=530Dh