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0:4A0h                   Wait Active Flag

 Length: 1 byte

    Reports the current status of the real-time clock wait services.


                        Wait Active Flag

            7 6 5 4 3 2 1 0
            x . . . . . . .      Wait Time elapsed and posted
            . x x x x . . .      Reserved
            . . . . . x . .      Power on by Alarm pending
            . . . . . . x .      User Alarm INT 4Ah pending service
            . . . . . . . x      Interval wait currently active

    See INT 15h, Services 83h and 86h, for more details on services that
    use the WAIT ability.

    Bits 2 and 1 are valid only for the PC Convertible.
See Also: INT 15h, 83h INT 15h, 86h
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