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Amd Phenom II 960T overclock, Help me?

post #1 of 24
Thread Starter 
Hey Everyone, I read a few guides like Dolks & etc but they were mostly all to general. I was wondering if someone could help me out and tell me their sweet spots for their 960t overclock? Or guide me through overclocking mine? I have a Crosshair IV Formula mobo fyi. thank you.


My system Specs:

AMD Phenom II 960t (O.C 3.7Ghz) W/ CM hyper 212+ ( 3k Rpm Ultra kamikaze attached to the cooler)
Asus Crosshair IV Formula
XFX Double D 6870 1gb
8gb Ram G.Skill 1333mhz
Edited by Walrus69 - 6/1/12 at 5:03pm
post #2 of 24
Its a black edition cpu right?

If so

1) Raise CPU multi
2) Run ibt for 10 runs on max
3)if it passes, go back to 1

4)if it fails, raise cpu vcore
5)Go back to 1 untill you are satisfied with clocks, then run p95 overnight

Monitor cpu temps with hw monitor

60 degrees is the max you wanna go
:P
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:P
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post #3 of 24
If you're running that 960T as a quad, you should get to 4 GHz at least.

I would try this:

1. Make sure that Turbo, C1E and anything else that might inhibit overclocking are turned off in the BIOS.
2. Increase the multiplier to 16, and the CPU/NB from 200 to 250, which will put you at 4000 MHz right on the dot.
3. Lower the reference clock on the HT from 2000 to 1600. Because of the CPU/NB overclock, this will still put your HT right at 2000.
4. Boost vcore to 1.45v, then save everything, reboot and see if it works.
5. If successful, lower the voltage incrementally and see what the least you can get a stable overclock with it.

As long as your RAM is up to it, you'll probably get that far and probably more. Even if the RAM can't hack the overclock, you can use a straight multiplier overclock and keep the CPU/NB at stock. It just makes sense to overclock it because there is a performance gain from doing so.

Your end result on the bus speed and HT will look something like this:

406
     
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post #4 of 24
Thread Starter 
So I messed around & used your tips Thanks & This is what i got to make it stable for 20 min.

After 20Minutes of prime blend it had no errors

Capture.PNG 38k .PNG file
post #5 of 24
Thread Starter 
I was thinking maybe i should lower my HT a lil & increase my bus speed instead or is there no difference? ;o
post #6 of 24
Looking good.
Yeah, lower HT to raise CPU/NB clock. Watch out for NB limit, check in CPU-Z Memory tab.
Heckling Hestia
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Heckling Hestia
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post #7 of 24
For maximum stability, keep the HT somewhere in the neighborhood of 2000 MHz. There's no benefit to running it overclocked.

On a Phenom II, you do benefit from a higher bus speed. It doesn't make much difference to the CPU, but it gives all of the other subsystems a nice performance boost. My 1035T overclocked to the neighborhood of an 1100T is faster than a stock 1100T rig, because I have the bus running more than 25 percent over spec. I can go higher, but the DDR3-1333 in my system is already running over 1700 and I really don't want to push my luck on it.

You're doing good. Run Prime overnight, and if it's still stable, go higher. You're at 3.96 with the voltage that low, and if that's stable, you've got plenty more headroom.
     
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post #8 of 24
Thread Starter 
How low could i go on vcore boost do you think? xP
post #9 of 24
Thread Starter 
The Thing is my Cpu gets Hot pretty fast, 10-15 minutes of prime 95 blend & its around 60. Maybe my Cooler on cpu is installed bad? But i dont think so ive reinstalled it twice already lol.
post #10 of 24
That really depends on each individual processor. Some people get 4 GHz on 1.3 or less, others have to run it up near 1.5 for the same results. I've seen 960T's make it to 4.5 GHz or air before, with the volts under 1.5, but that's the exception and not the rule. The only way you can really know is by trial and error, to find your processor's limits. But you're doing very well to have reached 3.96 with the volts under 1.3.

You have pretty good cooling there, with a Hyper 212 Plus and an upgraded fan. About as good as you can get without going to watercooling. You can go as high as 1.45v safely on a Thuban core with good cooling, which you have. You can feed a little more than than into a Deneb, but a Deneb is much less likely to reach crazy overclocks. Thuban is actually an Opteron modified by AMD to run in AM3, with an improved internal architecture and fabbed on better silicon, which is why you can get 4 gigs at 1.3 on one.
     
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