>
> > When prime95 running my screen is always shaking.
>
> Are you using a Dell Optiplex? This suffers from a design flaw in which the
> onboard video out is placed adjacent to the CPU and picks up EMF from the
> CPU when the CPU is doing heavy FPU work (such as factoring primes).
Its probably a power supply and local ground related issue.
One workaround would be to disable the onboard video and use a AGP card (if
thats an option on your particular Optiplex, there are a few different models)
>
> It could be that other computers suffer similar problems.
We had some gateway systems that chirped like a little cricket when running
LL tests. I think these were P5-133 generation machines.
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