Int 14 Fn 04  - Serial - Extended Initialize (convertible,ps)              [S]

   AH = 04h
   AL = break status
       00h if break
       01h if no break
   BH = parity (see #0233)
   BL = number of stop bits
       00h one stop bit
       01h two stop bits (1.5 if 5 bit word length)
   CH = word length (see #0234)
   CL = bps rate (see #0235)
   DX = port number

Return: AX = port status code (see #0230,#0231)

See Also: AH=00h,AH=1Eh,AX=8000h"ARTICOM"

(Table 0233)
Values for serial port parity:
 00h   no parity
 01h   odd parity
 02h   even parity
 03h   stick parity odd
 04h   stick parity even

See Also: #0226,#0234,#0235,#0236

(Table 0234)
Values for serial port word length:
 00h   5 bits
 01h   6 bits
 02h   7 bits
 03h   8 bits

See Also: #0226,#0233,#0235,#0271

(Table 0235)
Values for serial port bps rate:
 00h   110 (19200 if ComShare installed)
 01h   150 (38400 if ComShare installed)
 02h   300
 03h   600 (14400 if ComShare installed)
 04h   1200
 05h   2400
 06h   4800 (28800 if ComShare installed)
 07h   9600
 08h   19200
---ComShare---
 09h   38400
 0Ah   57600
 0Bh   115200

See Also: #0226,#0233,#0235,#0272,#0279,AH=36h,#0290,#0530,#2609