Does the IRC chat work?
Unable to connect : null
It works, I am in there now.
Try the link at the top right of the forum or use mIRC and connect to pechat.spacedump.net:6667
Hope that helps 
I did try the link in the top.
Is there something I should write to connect?
there are some problems… use this link
http://www.imperial-dreams.com/
They have an IRC link at the left menu. It works fine.
Hope that helps and thanks to Tigerman for making that link.