So I've finally decided to pull out my old 1.6 Xbox which I got from a friend who modded it again. It doesn't boot up properly anymore. No video output and it boots up and shuts back down 3 times before it turn to a red/green flashing icon.
Disk tray works normally, I can hear the HDD spin up, but I haven't been able to test it yet. I'm at a loss what to do. Here is a picture of the mod chip: