Specifications

98 AMD Geode™ GeodeROM Functional Specification
System Time and Date
32087C
11.1.6 Function 05h - Set Real-Time Clock Date
Description:
Sets the date that is stored in the system’s real-time clock.
Passed:
Returns:
None.
Related Functions:
INT 1Ah "Function 04h - Get Real-Time Clock Date Status" on page 97.
11.1.7 Function 06h - Set Real-Time Clock Alarm
Description:
Sets the alarm in the system’s real-time clock. The alarm occurs every 24 hours, causing an INT 4Ah, until it is dis-
abled.
Passed:
Returns:
None.
Related Functions:
INT 1Ah "Function 07h - Cancel Real-Time Clock Alarm" on page 98.
11.1.8 Function 07h - Cancel Real-Time Clock Alarm
Description:
Disables the alarm in the system’s real-time clock.
Passed:
Returns:
None.
Related Functions:
INT 1Ah "Function 06h - Set Real-Time Clock Alarm" on page 98.
Parameter Description
AH 05h
CH The century of the current date, in BCD, stored in the RTC
CL The year of the current date, in BCD, stored in the RTC
DH The month of the current date, in BCD, stored in the RTC
DL The day of the current date, in BCD, stored in the RTC
Parameter Description
AH 06h
CH The hour for the alarm time, in BCD
CL The minutes for the alarm time, in BCD
DH The seconds for the alarm time, in BCD
Parameter Description
AH 07h