INT 2F U - POWER.EXE - APM event broadcasting???
        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
SeeAlso: AX=530Bh,AH=54h,INT 33/AX=002Fh

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