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Hey, me again. Among some other finds secured from Habitat for Humanity was 3 Xbox 360 units in various conditions. Two are Xenons while one is a Jasper. I am disinclined to try and even test the Xenons because what's the point? I did scavenge the heat sinks from them and will hang onto them for spare parts should the need arise. The Jasper actually turns on and shows the NXE, but after a short amount of time, the display turns off, the fan speeds up, and it flashes two red lights on the left side(I believe it's 1 and 3) of the ring of light. I have since cleaned out the Xbox, removed the heatsinks and cleaned/applied fresh thermal compound, and tried running the system again. Still turns off after a short time and flashes the error code. So I installed two copper heatsinks from the two Xenon motherboards since I have read they are a bit better for heat dissipation than the aluminum blocks that came with the Jasper. Same behavior. So I even went so far as to solder a wire on the underside of the board to pull additional power to run the fan at full speed all the time(single wire 12 v fan mod). This time the system ran for a few minutes this time before eventually doing the same thing. I'm pretty much at my wits end as far as thinking of possible solutions. It does look like this system was previously tinkered with, possibly even recapped, and so who knows what might have happened to it for it to end up being sold to me for $3 as a parts machine. Short of trying to rig up some kind of water cooling system - which I have no experience doing and would quite probably be overkill for an xbox I would like to RGH - I don't know what else could be done to keep the processor cool or identify what the deeper problem is. *edit: There is one other thing I could try, but I don't know if it would actually help, and would probably push me past the point of no return. One of the Xenons had a bunch of washers and bolts in lieu of the x-clamps, so I assume it was an RROD x-clamp fix/mod to apply more pressure from the heat sink to the chip. I kept the washers/bolts so it's something I could do, but I don't know if it would have an appreciable effect as far as providing a more secure connection from the heatsink to the chip, thus preventing overheating, or if it would simply damage the BGA.