INT 15h,  43h (67)       Read System Status                       Convertible

Reports the status of the system for the PC Convertible.

On entry:      AH         43h

Returns:       Carry      Set if error, else cleared
AH         Modified
AL         Status (see below)

                                                                          
   Status (AL)
7 6 5 4 3 2 1 0
1 . . . . . . .       Low battery
. 1 . . . . . .       Operating on external power source
. . 1 . . . . .       Standby power lost
. . . 1 . . . .       Power activated by real-time clock alarm
. . . . 1 . . .       Internal modem power-on
. . . . . 1 . .       Serial/parallel power-on
. . . . . . 1 .       Reserved
. . . . . . . 1       LCD not attached
                                                                          

Notes:         This service is available only for the PC
Convertible.

If the standby power is lost (bit 5 is on), then the
real-time clock time will be incorrect.

See INT 1Ah, Service 08h, for power-on using the
real-time clock alarm.

See also: INT 15h, 44h
See also: INT 1Ah, 08h

INT 15h, 43h (67) Read System Status Convertible