Int 1A/AH=03h

TIME - SET REAL-TIME CLOCK TIME (AT,XT286,PS)

AH = 03h
CH = hour (BCD)
CL = minutes (BCD)
DH = seconds (BCD)
DL = daylight savings flag (00h standard time, 01h daylight time)

Return:
Nothing

Note: This function is also supported by the Sperry PC, which predates the IBM AT; the data is specified in binary rather than BCD on the Sperry, and the value of DL is ignored

See Also: AH=01h - AH=03h - AH=05h - INT 21/AH=2Dh -

Category: Bios - Int 1Ah - T

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