Using VBALink you can play Visual Boy Advance Roms on PC or Linux with link cable or wireless linking support!.But the new source accepting only two clients connections. I download the source code and modify this for optimizing the VBAServer for playing with my little friends. Latency problem appear on the VBAServer causing a slower game in LAN. (Get the new file and the source from the DOWNLOAD section) Drawback to this - only 2 players can connect using this version of the server. Thanks to =A=RGOS for creating a modified VBA Server for VBALink with Faster LAN. Pokemon Ruby, Sapphire, Emerald 'Internal Battery Has Run Dry' Fix.
We have just posted four guides by Matty : Single PC VBALink multiplayer instructions LAN VBA Link setup Help sg1 etc.) - another solution is to import them, that works too. (these values worked for me) - anything in between might Set Timeout in Options/Link to above 10000 or below 200