Yes it is possible. I use an Aria Extreme by Sonnet in my G4 TiBook.
With your home network, is it set to MSHOME as the default work group? If not, you have to change which workgroup your laptop will be on.
Applications > Utilities > Directory Access - double-click SMB/CIFS and enter your workgroup's name and Quit Directory Access.
To view your networked computers, open a Finder window and click the Network icon on the left side, it should pop up with all of the computers on your network, providing you have them all setup properly.