Category: serial I/O

INT 14 - Digiboard DigiCHANNEL PC/X* - CLEAR BUFFERS

	AH = 09h
	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
Return: AH = status
	    00h successful
	    FFh error
SeeAlso: AH=08h"Digiboard",AH=0Ah"Digiboard",AH=10h"Digiboard"