Int 2F Fn 5402  U - Power.exe - Get/set Idle Detection Strategy            [p]

   AX = 5402h
   BH = subfunction
       00h get
       other set
       BL = detection strategy (00h-0Fh or FFh)

Return: BX = current/new detection strategy

See Also: AH=53h,AX=5400h,AX=5401h,AX=5481h,AX=5482h