INT 14 - Alloy MW386 v1.x only - RELEASE PHYSICAL COMMUNICATIONS PORT
AH = 21h
DX = physical port number
Return: AX = status
0000h successful
FFFFh failed
SeeAlso: AH=22h"Alloy"

See also: 1420

1421 - Alloy MW386 v1.x only - RELEASE PHYSICAL COMMUNICATIONS PORT