I got my 4000 today, bunged the FSB up to 250 straight away, gave it 1.5v and it does 1mb pi in 29 seconds. Runs a lot hotter than my old 3200 which never really went above 34(ish) degree's, the 4000 seem's to be between 45-50
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leeb said:Pretty sure the oem 4000+ chips are all San Diego. Mine certainly was.
Got it running at 3GHz and my SuperPI 1M time is 33secs if that's any use to you t31os.