The first party adapter that plugs into the back. I've heard mixed reviews about the USB solutions. Some games work, some don't, but the Sony adapter was cheap enough that getting anything else (once ...

Okay I just bought a used PS2 network adapter for my brother w/o the driver disk. I figured that I still had mine so it didn't matter. <BR><BR>I was wrong. I can't find the disk. So what do I do now?