Int 2F Fn 5482 U - Power.exe - Get/set Apm Polling Frequency [p]
AX = 5482h
BX = new polling frequency or 0000h to get current frequency
Return: AX = 0000h (successful)
BX = current frequency if BX=0000h on entry
See Also: AH=53h,AX=5400h,AX=5401h,AX=5480h,AX=5481h,AX=548Fh