MAC21: Just curious, what is the manuf. date on your Xbox?
Can you tell if your mod bios is active after you boot?
What method are you using to figure this out?
I used Complex 1.02 and looked at the Kernal version in the System Info screen. New=Kernal 4627, Original= 4034
If you mod changes when you put physical pressure on it then it must be a loose connection (cold solder joint).
My PCBIOXX worked a few times then it stopped booting Evo-X altogether.
It hasn't booted in the last 100 tries. (also tons of different media brands, DVD-RW, CDRW, resoldering, bios flashing etc)
Good Luck