anything over 1.4v will degrade 45nm chips faster then you would like, the High-k/metal gate tech from intel is great and cool, but cant withstand volts like 65nm and bigger. electromigration occurs much quicker. also, dont forget to take vdroop into account, 1.3v might be droping as low as 1.25...
Get a better cooler on there and im sure you can pump some more volts and get 3.2+. with 54c already under load theres not much room for voltage increase.
I have my q6600 under a tuniq tower, with 1.375v and 3.5ghz i dont break 55-60 ever.
that and also play around with HTT voltage, once you start clocking it up you might need to give it a .1v-.2v bump to get it stable. my 170 maxed out around 2.9ghz with 1.475v, 2.85ghz with 1.425, so thats where i kept it.
What kind of temps are you getting with 1.425 on that cooler? i know...
Try to keep your HTT around 1000, dropping it down to 3x wont hurt, and will help stability, atleast it did when i ran a 170. Also run your Ram as close to 200mhz(400ddr) as you can as the IMC on amds chip dosent make use of the extra bandwidth, do try to keep the speed around 200mhz with low...
Running the memory past 1-1 is a waste as the extra bandwidth isnt being used and your just adding latency with the higher timings. Keep it 1-1 and lower timings.
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