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post #101 of 650
2/21/13 at 12:21am
So maybe someone can give me some insight. I'musing sabertooth 990fx r.1.0 and ffix 8350. I've noticed my north bridge (not CPU/nb) core be stable at about 1.134 then suddenly drop to 0.38. I'm using AIDA64 for monitoring. Is this odd?
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post #102 of 650
2/21/13 at 12:46am
Quote:
Originally Posted by ComputerRestore View Post

65C is not too bad when running prime. You're right, under normal usage, you wont see temps reach that high. Even if you were Folding or BIONIC or something that loads all the cores, Prime95 actually stresses the system ~15% over it's capacity (both in power usage and heat).

I got 8x 4.9 GHz stable (15 min Prime) @ 1.50625 V biggrin.gif
It's getting kinda warm (65-66 °C) but i think for Prime that's ok.

8x 5 GHz is almost stable, sometimes 1 core crashes (not always the same one). I undervolted the CPU-NB to 1.2 V, makes everything 1-2 °C cooler. DDR3-2133 still running stable. I'll try to UV the CPU-NB even further, it's really making a difference.
VDDA is at 2.2 V now, i wish i could try lowering it even more wink.gif

5 GHz club, here I come wink.gif


Has anyone here tried OCing with only 2 modules? I'm gonna use custom TurboCore via AmdMsrTweaker, just want to know what i can expect wink.gif
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post #103 of 650
2/21/13 at 4:06am
Quote:
Originally Posted by riggnix View Post

Well, finally got my FX today. Got it all set up. Running the first 10 minute prime test right now. Looking good so far.
4,3 GHz @ 1,3625V
45 °C (ambient about 25°C) with low fan setting and open case.
Idle is exactly at room temperature: I love liquid metal thermal compound. biggrin.gif


Update:
Closed my case, temps are a bit lower now.
I'm on 4,5GHz @ stock 1,3625V, stays at 49*C, looks stable so far.

Update:
4,6 @ 1,38V, 53°C

What are your voltages under load?
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post #104 of 650
2/21/13 at 4:27am
Hey, my replacement cpu has been shipped! biggrin.gif
Wating impatiently.
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post #105 of 650
2/21/13 at 5:56am
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Quote:
Originally Posted by riggnix View Post

I got 8x 4.9 GHz stable (15 min Prime) @ 1.50625 V biggrin.gif
It's getting kinda warm (65-66 °C) but i think for Prime that's ok.

8x 5 GHz is almost stable, sometimes 1 core crashes (not always the same one). I undervolted the CPU-NB to 1.2 V, makes everything 1-2 °C cooler. DDR3-2133 still running stable. I'll try to UV the CPU-NB even further, it's really making a difference.
VDDA is at 2.2 V now, i wish i could try lowering it even more wink.gif

5 GHz club, here I come wink.gif


Has anyone here tried OCing with only 2 modules? I'm gonna use custom TurboCore via AmdMsrTweaker, just want to know what i can expect wink.gif

Nice Overclock. It looks like you have a really good CPU there.

If you want to try for even better temps, you could try the UnOfficial Overclock method, so you could push it further. It's a combination of lowering the CPU/NB and voltage, but the down side is you can't run higher Ram speeds than the NB frequency. (Info is added to the guide - and a link to testing)

Some testing has shown that Memory Bandwidth is bottlenecked at those speeds anyways, so you probably wont notice it. You could even compare it with MaxxMem to see.

I've Overclocked with only 2 Modules by disabling two in the BIOS. I haven't found a program that would let me clock each Module differently. I'd be interested to know if AmdMsrTweaker will do that.
Quote:
Originally Posted by Ashura View Post

Hey, my replacement cpu has been shipped! biggrin.gif
Wating impatiently.

Nice!!! Looking forward to the results with your new CPU. Shouldn't take too long to come in the mail.
Edited by ComputerRestore - 2/21/13 at 6:21am
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post #106 of 650
2/21/13 at 7:09am
Quote:
Originally Posted by ComputerRestore View Post

Nice Overclock. It looks like you have a really good CPU there.

If you want to try for even better temps, you could try the UnOfficial Overclock method, so you could push it further. It's a combination of lowering the CPU/NB and voltage, but the down side is you can't run higher Ram speeds than the NB frequency. (Info is added to the guide - and a link to testing)

Some testing has shown that Memory Bandwidth is bottlenecked at those speeds anyways, so you probably wont notice it. You could even compare it with MaxxMem to see.

Sound like a good idea, but I'd really like to have 5 GHz + DDR3-2133 wink.gif
If I got that, i guess i will try lowering RAM and NB speeds and look at the temps and performance, might be worth it for 24/7.

I don't think AmdMsrTweaker can clock modules independently, but with C'n'Q enabled, the CPU will do this itself.
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post #107 of 650
2/21/13 at 4:57pm
Quote:
Originally Posted by ComputerRestore View Post

Very welcome. They're a lot of fun to overclock, so it would be a shame to not push it. biggrin.gif
53C is not that warm, especially on Prime95. Unless you run programs that will fully stress all the cores (Folding@Home etc) you will never see those temps in daily use.

The max Core temp is 62 Celsius, and 70 Celsius for Socket.

If you are able to increase the frequency more without an increase in voltage, you will see minimal temperature increases. I'd say you have a lot of headroom left for overclocking.



Just wanted to give you an update I was able to reach to 4.4ghz all all 8 cores and ran IBT stable, looking to get to 4.6 but its been a bit difficult.mad.gif
Below is the link to the CPU-Z validation. http://valid.canardpc.com/show_oc.php?id=2703050 biggrin.gifbiggrin.gif
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post #108 of 650
2/21/13 at 5:13pm
I am posting my MB settings for the above 4.4 OC, let me know if you have any comments



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post #109 of 650
2/22/13 at 6:38am
Thread Starter 
Quote:
Originally Posted by BillyBonz View Post

I am posting my MB settings for the above 4.4 OC, let me know if you have any comments Warning: Spoiler! (Click to show)




Great Overclock.

Your Rig info states that you are running 1600Mhz Ram - yet your Screenshot is showing 1241Mhz. If you are using the FSB to Overclock you should manually adjust the DRAM-CPU/NB-HTT so that it runs at the proper specs.
For pushing to 4.6Ghz I'd recommend changing Current Capability for the CPU and CPU/NB to 130%

Switch CPU and CPU/NB Voltage to Manual Mode

Increase the CPU/NB to 1.2v-1.25v

Then all you need to do is bump up the CPU voltages until it can run Prime95 or IBT stable.
Edited by ComputerRestore - 2/22/13 at 7:32am
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post #110 of 650
2/22/13 at 4:53pm
I guess I am happy with the 4.4, I wanted to get as high as possible with the 1.3++ volts. Now I I were to enable turbo core and cool and quiet will the processor boost 1 or 2 of the modules when the turbo kicks in going above the 4.4Ghz?redface.gif
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