Internet Connection sharing with USB network adapter

Has anyone been successful setting up ICS using 1 regular NIC and the USB network adapter that comes with the cable modem....I am working on a machine for a friend he only has one pci slot and the rest ISA slots I got the pci network card to work but cannot make the isa card work in his computer (comcrap) the isa card works fine in my test machine....my only solution is to make this usb network adapter work but it is giving me fits....please come to my rescue https://discussions.virtualdr.com/

It is possible with pppshar proxy.
Download it free from http://www.pppindia.com/intl/pppshar