Int 2F Fn 53  U - Power.exe - Apm Event Broadcasting???                    [p]

   AH = 53h
   AL = event???
       05h CPU idle
       0Bh PM event broadcast API

Return: ???

Note:  called by MS Windows 3.1 POWER.DRV; hooked by MS Mouse driver v8.20+
     and PC-Cache v8.0

See Also: AX=530Bh,AH=54h,INT 33/AX=002Fh