INT 14 - COURIERS.COM - CONFIGURE PORTIBM PC Portable (uses same BIOS as XT)
	AH = 82h
	AL = port number (1-4)
	BX = speed (bps)
	CX = bit flags
	    bit 0: enable input flow control
	    bit 1: enable output flow control
	    bit 2: use X.PCIBM PC protocol (not yet implemented)
Return: nothing
SeeAlso: AH=00h,AH=8Ch,INT 7A"X.PCIBM PC"
                                                                                

INT 14 - COMM-DRV v14.0 - PORTIBM PC Portable (uses same BIOS as XT) CLEANUP
	AH = 82h
	DX = port number
Return: AH bit 7 set on error
	AH bit 7 clear if successful
Desc:	reset the port to its state before the AH=81h initialization and unhook
	  any interrupts used by the port
SeeAlso: AH=81h"COMM-DRV",AH=83h"COMM-DRV"