Help?!

I'm confused does schtserv still support Dreamcast and pso pc?? Or is it just pso bb and , GameCube episodes 1,2,&3 that work nowadays?? Ty

So I'm a pso addict I've been playing pso2 recently I decided to play some old school pso, my GameCube with bba works fine when I put the schthack addy in. But I must be doing something wrong with Dreamcast ?? I can't get it to go online I get the check your internet provider message. Can some one ...