Neat little tutorial there. Too bad I don't have any internal modems.
I'd just skip the DC adapter. If you're posting here, you've got a pc, just get quake or UT for it and play online. It doesn't work with PSO, which is the only real attraction for broadband. And despite what we like to think, I'd bet we see less games then we were promised when the console was canned. Our beloved DC may be dead
