>This really sounds like a CPU or memory problem...can you swap out
>the memory long enough to test it ? Do you have a coast module.....pull it
>out and then try to boot. I would also pull the CPU out and give it and the
>socket a good blow off with compressed air......the P 150 is probably
>the most over clocked CPU out there...this isn't one of them is it?
>If none of this helps I would start suspecting the BIOS or the
>motherboard.

When my power supply is on its last leg, I got this rebooting process too.

Dan

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