INT 2F U - POWER.EXE - GET/SET APM POLLING FREQUENCY                            
	AX = 5482h
	BX = new polling frequency or 0000h to get current frequency
Return: AX = 0000h (successful)
	BX = current frequency if BX=0000h on entry
SeeAlso: AH=53h,AX=5400h,AX=5401h,AX=5480h,AX=5481h,AX=548Fh