I already did, checked the state of the solder joint on the motherboard and then used a multimeter to verify that the connection was good trough to the mod chip, so I don't think that's the problem. Is this actually a problem with the chip though? At first I figured that if the bios flash was bad, the xbox wouldn't even start up or I would have more significant problems then error 5, but then again why would the xbox just stop booting from the chip after I flashed it?