INT 7A - Novell NetWare - SPX Driver - TERMINATE SPX CONNECTION                 
	BX = 0013h
	DX = connection ID to terminate
	ES:SI -> Event Control Block (see #03810 at BX=0003h)
Note:	this function is supported by Advanced NetWare 2.1+
SeeAlso: BX=0011h,BX=0012h,BX=0014h