On my Xbox 1.0 I was told in other posts to use a de-soldering pump to remove the solder from the holes and was assured many times that it is super easy, well in my opinion it wasn't! My advice if you still have solder in the holes is definitely USE THE WIRE INSTALL METHOD, it is super easy all I did was heat the solder and stick the wire in. The wire install diagram fron the FAQ guide worked perfectly thanks Team Xecuterfor this. The only hard part is the D0 wire, I fried my 1.4 Xbox and threw it away before I found that I probably couldv'e fixed the trace. But thankfully I saved the DVD and hard drive because the crappy Thomson drive could barely read OEM Xbox discs much less a Bios CD! Hope this helps I went through alot of hell trying to get my Xbox to the dream machine it is now LOL