Int 48/AH=03h

AH = 03h

Return:
Nothing

Desc: Turn on the speaker at the current frequency, leaving it on until explicitly turned off with AH=04h or the end of a subsequent AH=00h

See Also: AH=00h - AH=01h - AH=02h - AH=04h - Category: Vendor-specific BIOS Extensions - Int 48h - T