Int 10/AH=12h/BL=A2h

Cirrus Logic BIOS - SET MONITOR HORIZONTAL RETRACE FREQUENCY

AH = 12h
BL = A2h
AL = retrace rate
00h standard VGA (31.5 kHz)
01h 8514-compatible (31.5 kHz and 35.5 kHz interlaced)
02h SuperVGA (31.5-35.1 kHz)
03h extended SuperVGA (31.5-35.5 kHz)
04h multi-frequency (31.5-37.8 kHz)
05h extended multi-frequency (31.5-48.0 kHz)
06h super multi-frequency (31.5-56.0 kHz)
07h extended super multi-frequency (31.5-64.0 kHz)

Return:
Nothing

See Also: AH=12h/BL=9Ah - AH=12h/BL=A0h - AH=12h/BL=A4h

Category: Video - Int 10h - C

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