Files MG51-041.EXE and MG51-042.EXE are for the Madge 51-04 Smart 16/4 Token Ring PCI adapter. This is the LAN Support Software, release 6.1, Diskette 1 & 2. This adapter is in the IBM OBI CTO Portfolio and is assigned IBM P/N 00N9604 with IBM FRU P/N 00N9603.