Category: <b>serial I/O</b>
<p>
<pre><b>INT 14 - MBBIOS PACCOM support - SET TXD</b>

	AH = 0Dh
	AL = new setting (FFh = 1.0)
Return: nothing
Desc:	specify the time from RTS to start or packet
SeeAlso: AX=0D00h,AH=0Eh"MBBIOS",AH=0Fh"MBBIOS"
</pre>