INT 14 - COMM-DRV v14.0 - READ PORT METRICS - GET PORT PARAMETERS AX = 8001h DX = port number Return: BX:DI -> Port Control Block (see #00367) SeeAlso: AX=8000h"COMM-DRV",AX=8002h"COMM-DRV",AX=8003h"COMM-DRV"