File "CCFE575D.EXE" is the 3 COM DynamicAcess version 1.5 software, optional upgrade for Windows 95 and Windows NT. This disk and files are not required to install these adapters. This disk does no contain NIC drivers. These files are compressed from the original 3 Com DynamicAcess diskette. Theses optional files are to be used with these two adapters, 3 COM Megahertz 10/100 Land CardBus PC Card and 3 COM Megahertz 10/100 Land CardBus PC Card with Xjack. When this file is executed it will extra the all files. There are 8 files on the original. These adapters are listed in IBM's OBI CTO Portfolio and have IBM part numbers assigned. 3CCFE575BT = IBM P/N 01N0506 with an IBM FRU number of 01N0508. 3CXFE575BT = IBM P/N 01N0515 with an IBM FRU number of 01N0517.