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AX = 6F01h BX = port attributes (see #00356) DX = port number (0-3)
Return:
AH = line status (see #00304) AL = modem status (see #00305)
Note: Supported by original HP Vectra AT and by ES/QS/RS series Vectras
See Also: AX=6F00h
Bitfields for HP Vectra Extended BIOS serial port attributes: Bit(s) Description (Table 00356) 8-5 data rate (110, 150, 300, 600, 1200, 2400, 4800, 9600, 19200) 4-3 parity. 00 none. 01 odd. 10 none. 11 even 2 stop bits (0 = one, 1 = two) 1-0 bits per character. 10 seven-bit characters. 11 eight-bit characters. 0x undefined
Category: Serial I/O - Int 14h - H
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