Int 14 Fn 6F01  - Hp Vectra Ex-bios - "f14_exinit" - Initialize Serial Po  [S]

   AX = 6F01h
   BX = port attributes (see #0282)
   DX = port number (0-3)

Return: AH = line status (see #0230)
   AL = modem status (see #0231)

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 0282)
 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