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.

Seealso:


 INT 15h, 83h 
 INT 15h, 86h