Operating System: Windows 95 & Windows 98 (Note: might work with other versions of this os.)
Before downloading: Run Free Scan for Instant Driver Updates
3Com 0766 Driver. It Worked for me with Win95. When windows detects it, let win95 search for driver and put the driver in a FD.
If in your system there is already a PCI Comunication Device, as Other device. Delete it and reboot.