I found some information over internet maybe it will help you:-
A primary computer, called a gateway, that provides network connectivity to the Internet. This computer must be running Windows 98 Second Edition, Windows 2000, or Windows Me with Internet Connection Sharing enabled.
One or more computers running Windows 95, Windows 98, Microsoft Windows NT 4.0, Windows 2000, or other TCP-IP enabled client software.
Devices that are capable of connecting to the Internet.
A network connection device for each computer.
Cabling and hubs, depending on the type of connection devices you use.
A single modem (or an ISDN or ADSL line) for the entire network.
Internet browser software and TCP/IP drivers installed on each device that shares the connection.
You can enable Internet Connection Sharing by using the Add/Remove Programs tool in Windows 98 Second Edition or Windows Me:
Click Start, point to Settings, click Control Panel, and then double-click Add/Remove Programs.
On the Windows Setup tab, double-click Internet Tools.
Click to select the Internet Connection Sharing check box, and then click OK.
Click OK, and then follow the instructions on the screen to run the Internet Connection Sharing wizard.
Edited: Eugene Idzikovsky - 09.12.2011 07:10:52