INT 2F - Communicating Applications Spec v1.2+ - UNLOAD RESIDENT MANAGER        
	AX = CB16h
	BX = 1234h
	CX = 5678h
	DX = 9ABCh
Return: AX = 0000h successful
	AX < 0	   error code
Note:	the METZ XpressFax CASMGR ignores the values in BX,CX, and DX
SeeAlso: AX=C000h/BX=444Bh,AX=CB00h
Index:	uninstall;CASsee Communicating Applications Specification Manager