large enough power supply? How many watts? I had something like this when using an old (Pentium) PSU with an Athlon 500 I had picked up.
Also - I had a very similar problem with my Asus board (there's a nice brandname for you) - it turned out there was a screw underneath the board which was shorting out a couple of tracks! So look out for anything touching it.
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I can't understand why people are frightened of new ideas. I'm frightened of the old ones. -- John Cage (1912 - 1992)
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