Files 3COM589A.EXE & 3COM589B.EXE contains zipped installation diskettes 1 and 2, version 5.6, for the 3Com Megahertz 3CCE589EC & 3CXE589EC 10 Mbps LAN PC Card. IBM part number 01N0562 & 01N0568, IBM FRU number 01N0563 & 01N0532. The 3CCE589EC & 3CXE589EC PC Card's INSTALL.EXE file is located on diskette # 2.