INT 14 - Digiboard DigiCHANNEL PC/X* - CLEAR TRANSMIT BUFFER
AH = 11h
DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
Return: AH = status
00h successful
FFh error
SeeAlso: AH=10h"Digiboard"

See also: 1409

1411 - Digiboard DigiCHANNEL PC/X* - CLEAR TRANSMIT BUFFER