Right, the Optiarc came today, i've installed it all fine, got the newest firmware and all that.
But it still fails, though i think i might know why. I gave my mate a few discs to try burn something on his, which failed for him too, and he normally burns without any problems. We then noticed that the discs were different from the ones he normally uses, these are 8x instead of the usual 2.4x. He couldn't get it to write anything either.
Is this likely my problem? I'm attempting to burn 360 backups by the way.
Here's a log from the latest failed attempt: