Windows NT 3.1 build 518

Windows NT 3.1 build 518.1 is a build of Windows NT 3.1, mentioned the file  in Microsoft Cairo build 1175.1

5. Test Results

Installed version of Windows NT: 3.1, Build 518 (September 1993)

Microsoft Test Suite with Server	Compaq 486/33m with SK-NET FDDI EISA adapter as trusted card

Client	Compaq 486/33m with SK-NET FDDI ISA adapter as test card SK-NET FDDI EISA adapter as trusted card