Xbox stops working after a few minutes

[whs1981]

I have a version 1.0 xbox with 2.6 CE installed with x2_5035_vOld_512k BIOS. Games boot up fine, but after a while, the xbox will freeze and the eject LED will flash orange. I can't power off the xbox using the power buttons, but rather I have to unplug the power cord. I used the default x2 config live settings that came with the bios. What could this be? Possible bad solder at D0 Point?

Thanks in advance for any help.

 

[whs1981]

Nevermind, i got it. Over heating. Forgot to plug in the Fan back into the mother board :S