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Phenom 945 running at 3.5ghz undervolted to 1.312

Forum Overclocking : CPUs - Phenom 945 running at 3.5ghz undervolted to 1.312

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Has anybody else been able to do likewise? I discovered its stability at a lower voltage when for some reason amd overdrive forced the voltage down to 1.25 (I have over clocked a bit more so I needed more voltage). Anybody else had such success?

Some system specs:

M3a32-deluxe mobo

8GB ddr2 1066mhz RAM (its at a slightly lower clock at the moment because I'm working on the CPU, could that be the reason?)

EVGA 1792MB GTX275

(overclocked by raising FSB to 235mhz)

Message edited by virus015 on 09-23-2009 at 07:46:17 PM

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um yeah Im running my stock 955 on 1.18 volts, and it will boot into windows on 0.800 volts

------------------------------ AMD Phenom 2 X4 955 (4.0 GHz|1.36 volts|236 X 17),Gigabyte MA780G-UD3H, 6 GB DDR2 800 RAM (unganged), 2 X 1TB, 1 X 500GB | 22" BenQ Wide Screen monitor, Zalman CNSP cooler
Reply to lashton

Its a myth that you MUST raise voltage to overclock.

I got my E6300 1.86ghz to 3.45ghz undervolted and it ran that way for 2 years before I sold it.

Reply to zipzoomflyhigh

i can definitely confirm that you can under volt and overclock the amd 955 be. my first one is running at 3.6ghz on 1.25volts, unfortunately my second amd 955 be cannot do the same. i get BSOD. 3.4ghz and 1.3volts i can manage.

I JUST got my 955BE to 4.012GHz at 1.36 vots 35-40 on idle, under 60 on full load

Ok any help with getting the RAM faster? I have some corsair platinum 1066mhz ddr2 and if I put it back to the stock ratio (3:8) or something like that, I get an increase nearing 1300mhz, which my RAM can't handle even though I have pumped 2V through it (what I'm comfortable with supplying it). Right now at the next ration down it is running at around 960mhz.

Message quoted 1 times
Message edited by virus015 on 09-24-2009 at 08:24:40 AM

Reply to virus015

virus015 wrote :

Then that will be settings that you should use for the memory. 1300mhz is far too much for 1066 rated ram, as you obviously have figured out, heh. You will probably still need to keep the voltage up, though.

------------------------------

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PhIIx3 710 @3.55ghz/1.5v w/ Scythe Samurai Zz HSF-24/49c ~ 4gb OCZ Gold XTC 5-6-6-18 @1092mhz ~ Sapphire 4870 512MB (795/1025)
Reply to JofaMang

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Phenom 945 running at 3.5ghz undervolted to 1.312

Forum Overclocking : CPUs - Phenom 945 running at 3.5ghz undervolted to 1.312