Category: <b>serial I/O</b>
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<pre><b>INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - CHANGE PORT PROTOCOL</b>

	AH = 05h
	AL = new port protocol (see <a href=../../it/36/3.html>#00336</a>)
	BH = new XOFF character
	BL = new XON character
	DX = port number
Return: AH = FFh if invalid protocol
SeeAlso: AH=00h,AH=04h"SERIAL",AH=06h"PC-MOS"

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