Int 6B Fn 0700 - Novell Nasi/nacs, Ungermann-bass Net One Serial I/o - G [S] AX = 0700h Return: CH <> 00h if connection active Notes: this function is also supported by TelAPI and NPC NCSI Novell TelAPI returns CX=FF01h and CF clear See Also: AH=02h,AH=10h