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My quest for 4ghz on phenom 965

post #1 of 21
Thread Starter 
What should I change, I knows its a good time to increase the reference clock but by how much? same with voltage?
Its at 48c load at these settings, what could I adjust for a stable 4ghz:

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post #2 of 21
For 4ghz you will definately need a new and better CPU cooler.

Btw what the f that man scared me. You running TV on the same time in the same screen?
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post #3 of 21
PIP. Picture in Picture.
post #4 of 21
Thread Starter 
Quote:
Originally Posted by Nikkopo;12658180 
For 4ghz you will definately need a new and better CPU cooler.

Btw what the f that man scared me. You running TV on the same time in the same screen?

LOL, yeah PIP(picture in picture), one of the benefits of using a TV as a monitor.

CPU cooler is a70.
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post #5 of 21
Here are some very good guides:http://www.overclockers.com/forums/showthread.php?t=596023

http://www.techreaction.net/2010/10/14/phenom-ii-imc-ram-overclocking-guide/

But,Yes like said above,You need better CPU cooler to get to 4.0
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post #6 of 21
Why even mess with the reference clock yet? Just go for x20 multiplier and see if it's stable at those speeds first.

Get everything stable first. 4.0ghz at x.xx voltage, 2800NB at 1.3/1.4v, RAM at the rated speeds, etc etc and then begin to mess around with different ref clocks/multipliers.
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post #7 of 21
Thread Starter 
Quote:
Originally Posted by hyujmn;12658342 
Why even mess with the reference clock yet? Just go for x20 multiplier and see if it's stable at those speeds first.

Get everything stable first. 4.0ghz at x.xx voltage, 2800NB at 1.3/1.4v, RAM at the rated speeds, etc etc and then begin to mess around with different ref clocks/multipliers.

It wont do x20, even if I pump the V right up to 1.5.
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post #8 of 21
The PIP made me laugh. I was like "***, is that a video playing in his bios?"

As suggested above you really need to go better than reference cooler for OC, as it s-u-c-k-s. My friend was running a 955 at stock clocks and getting 100% fan speeds in games. Even bumping up the reference will increase heat.

With that said, adjust your HT speed manually to keep it around 2000MHz, bump up your CPU-NB to like 2.6 - 2.8ghz and see where life takes you. If you're aiming for 4GHz, you'd need 19x210 or 19.5x205
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post #9 of 21
Thread Starter 
Quote:
Originally Posted by ocpokey;12658844 
The PIP made me laugh. I was like "***, is that a video playing in his bios?"

As suggested above you really need to go better than reference cooler for OC, as it s-u-c-k-s. My friend was running a 955 at stock clocks and getting 100% fan speeds in games. Even bumping up the reference will increase heat.

With that said, adjust your HT speed manually to keep it around 2000MHz, bump up your CPU-NB to like 2.6 - 2.8ghz and see where life takes you. If you're aiming for 4GHz, you'd need 19x210 or 19.5x205

Its a corsair a70 cooler. Sorry for being a noob but how do I adjust the NB and how does it benefit overclocking?
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post #10 of 21
Ah, A70, my cooler (p.s. although I like the A70 I also hate it, grr).

Well CPU-NB is what relays data between the CPU and the RAM, and it has been shown that when OCing sometimes knocking up CPU-NB a few notches helps with stability on Phenoms, to ensure that everything is transmitting back and forth properly.

I'm not totally familiar with your BIOS but it looks like CPU/NB frequency is the setting to hit. It will likely be default at x10? Regardless calculate what FSB you're gonna use at try to get it to 2600-2800MHz. So if you're doing 210FSB then just use x13 or whatever you're comfortable at and works best for your setup.

You might need to bump up the CPU-NB voltage a bit also, I believe off the top of my head most people recommend 1.3 - 1.35V. think it might be CPU VDDA, but again, not totally familiar with your BIOS. Check what the defaults are. There might be another option.
Edited by ocpokey - 3/8/11 at 2:13pm
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