INT 2A - NETWORK - INSTALLATION CHECK                                           
	AH = 00h
Return: AH <> 00h if installed
	CF set if NetWare v2.15 NetBIOSOne of a number of low-level device-independent network interfaces; the other major interfaces are Novell's IPX and the Internet's IP (Internet Protocol, the lower-level portion of TCP/IP). emulator installed
Note:	supported by PCIBM PC LAN Program, LAN Manager, LANtastic, NetWare, 10NET,
	  etc.
SeeAlso: INT 5C"NetBIOSOne of a number of low-level device-independent network interfaces; the other major interfaces are Novell's IPX and the Internet's IP (Internet Protocol, the lower-level portion of TCP/IP)."