I modded an XBOX via the TSOP flash.

An Winbound v1.4 system (Conxent Video)

Original XBOX hard drive, LOCKED.

No EEPROM backup.

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Anyway, was working great for days, and then I was playing
a game for hours, and the light starting blinking ORANGE, and
the video died. I thought at first the cable was unpluged or
bad, so I check the cables, etc. Still blinking ORANGE, no video
as if the A/V cable was unplugged.

I then unplug the machine, and waited a few hours, afterwards
when I turned it back on, it just FRAG's, as if the TSOP was bad.

So I decided to quickly plug in my Xenium ICE (great for fixing
many things like bad EEPROM's, etc.), and grounded the d0 line)
, but still the XBOX is FRAGing, and I know the d0 is (grounded)
and the pinheader is working 100%, and the Xenium ICE works
fine in other working XBOX's.

So my question, is what else can cause FRAGing, in the case
like I mentioned above? Any great ideas?