INT 10 - SOLLEX SuperVGA - MULTIPLE FONT CONTROL
AX = 7F06h
BL = subfunction
00h set multiple font state
CX = new state (00h off, 01h on)
01h get multiple font state
Return: BL = current state (00h off, 01h on)
Return: AL != 7Fh if not supported
AL = 7Fh if supported
AH = status
00h successful
01h failed

See also: 1011

107F06 - SOLLEX SuperVGA - MULTIPLE FONT CONTROL