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Download AMD Geode SC1201 Specifications
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System Time and Date 11.1.4 32087C Function 03h - Set Real-Time Clock Time Description: Sets the time value stored in the system’s real-time clock, in the form of hours, minutes, and seconds. Passed: Parameter Description AH 03h CH The hour of the current time, in BCD, stored in the RTC CL The minutes of the current time, in BCD, stored in the RTC DH The seconds of the current time, in BCD, stored in the RTC DL Set to: 00h if RTC should ignore daylight savings time 01h if RTC should adjust for daylight savings time Returns: None. Related Functions: INT 1Ah "Function 01h - Set System Time" on page 96. 11.1.5 Function 04h - Get Real-Time Clock Date Status Description: Returns the date that is stored in the system’s real-time clock. Passed: Parameter AH Description 04h Returns: Parameter Description 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 Related Functions: INT 1Ah "Function 02h - Get Real-Time Clock Time Status" on page 96. INT 1Ah "Function 05h - Set Real-Time Clock Date" on page 98. AMD Geode™ GeodeROM Functional Specification 97
