You Don't need more hardware to share!
Sharing for Win98SE
Make sure that you log on as Client for Microsoft Network.
There are three places to be checked for sharing,
The first two are in Control Panel, Network.
1. TCP/IP (or any other protocol that you are using for sharing) In the
properties of the protocol it has to be bound to Client for Microsoft Network,
and Sharing is Checked.
2. The general File and Print Sharing have to checked.
The third: In My Computer, individual Drive or/and printer has to be shared.
CD-ROM can be shared (from Network point of view it is just another drive.)
Double click on My Computer, right click on the Drive Letter of the CD-ROM,