My first Opteron 170 overclocking performance [overclocking results] [bios flash]

admin / June 29th, 2010/ Posted in Hardware / No Comments »

Q: I have an Opteron 0546 170 (2 * 2.0 GHz, 2 * 1MB) from Monarch in the post yesterday, and put it in my DFI Nf4 Ultra-D (after a ). It is cooled by an XP-90 a (slow / quiet) 3000 RPM Panaflo fan.

I got to 2.5 GHz on stock voltage (1.33 V), twice Prime small FFT stable all the way up. I was using a 166 memory divider, so when I bumped up to 2.6 GHz, my Patriot RAM 2-3-2 was then running at 216 MHz, which probably was too fast for stock CAS2 memory voltage because the computer night while I hung priming. So I dropped the divider to 150, and upped the CPU voltage to 1.4V (just in case the problem was), and Im currently 3 hours dual prime stable at 2.6 GHz.

I do not idle temperature, but I think it was mid 30s C. The tax temp@2.6 GHz, 49 C, which is a bit high for my taste. I could find the limit for this processor and then bump down to a cooler, or overclock the ball bite and a harder / faster fan to buy.

Ill keep you informed. In general I would say that dual core Opterons are real gems.


Best Answer: The diagnostic tool is crap. Your RAM, if recognized and operational, is fine. There is a possibility that the tool did not recognize the module if it is from a manufacturer that is not mainstream.

Re:UPDATE: I have experienced the exact behavior guy is referring to.

I finished 12 hours of dual Prime stable @2.6 GHz, which required only 1.38V. No errors, max temp 49 C.

Any higher requires big voltage per MHz increases. 2.7 GHz @1.43 will boot into Windows, but locks up after a few minutes of priming with the Temp approaching 52C. I am sure I could get it stable with 1.48V or so, but 100 MHz is not worth 7% more voltage and the associated heat.

I am very happy with this stable, relatively cool, low voltage 30% overclock.


Re:from what I have seen and experienced with my opteron 165…it appears they oc well to a point at low voltage then you start to need more vcore toget much more out of the chip

I hit 2.5ghz @low vcore…I cant recall now whether it was 1.35v or 1.4v…(my opteron has default vcore of 1.35) so small bump

but for me to get to 2.6, I need 1.46 vcore in my bios/1.44v in winxp..and temps starting getting hotter as I move closer to 1.5-1.53v…not worth 100mhz IMHO

So I bet most will find they will overclock to certain point on low vcore then any extra mhz will take a much larger proportional jump in vcore

and of course OCing is always YMMV

looks like these 170 should hit 2700 easily


Re:Thats pretty good, my x2 3800 does 2.6 at 1.4 vcore, haven't taken it any higher from there.

Re:No, it's a 5% voltage increase (from 1.33V to 1.4V) to get to 2.6 GHz. I might be able to get by with less, but I'm not in fine-tuning mode yet (just seeing what this chip can do). I'll post more updates tonight after I push it further and/or tweak it some more at 2.6 GHz.

Re:is that stock volts? Well, anyways, congrats on your FX-60 equivalent.

Re:I've ran mine up to 2.5 with the memory still at 1:1 however stock is really fast enough for me so that is where I leave it most of the time.

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