Category: <b>serial I/O</b>
<p>
<pre><b>INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - INPUT STRING</b>

	AH = 15h
	CX = size of buffer
	DX = port number
	ES:BX -&gt; buffer for received characters
	SI = timeout in clock ticks or 0000h for default
Return: AX = number of characters actually read
	ZF set on timeout (no data available)
SeeAlso: AH=02h,AH=14h"PC-MOS",AH=16h"PC-MOS"
</pre>