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*is overclocking again*
3:42 (hours:minutes) so far... about 9 hours to go. (Prime95 blend test)
Going for 4.2 GHz, 1.272v @ load.
I'm afraid to push this thing... I know that's not a lot of voltage.
Once I see anything over 1.3v, I'm afraid of frying it :/ (Even though I've seen people running them at 1.4+ for over a year).
I need the extra speed for video encoding.
4.5 would be nice, but I don't think I have a "good" chip... Some can run 4.5 stable on stock volts.
Edit: Awesome, >12 hours and still running.
I'm glad you're stable, but in all honest, 12 hours is total overkill for Prime. 3-4 is MORE than enough and most of the time a crash is going to occur in the first 15 mins. You're just putting unnecessary stress on the chip.
You're right about being safe with the voltage, though. Although you could probably get more out of it, you want to go for the highest OC at a reasonable voltage, rather than pushing it that bit further for two main reasons - not only can overvoltage shorten the lifespan (I have seen people killing these chips, but then again I hang out on an overclocking forum), but power usage and heat skyrocket with voltage.
Don't let that turn you off, though. You're not likely to hurt it unless you either use a far too high voltage or run it heavily overvolted for a good few months. If it DOES die, warranty time - you have no idea what went wrong and "what's overclocking?". :D
I'm trying to keep heat/power down, so I'm actually running undervolted most of the time. 1.4V -> 1.275. Phenoms run at a much higher voltage than Core-i chips, to clear up any confusion.