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8370 (125w) stable on air @4.7 images. Need advice pushing it further please

2K views 65 replies 10 participants last post by  Gregsta 
#1 ·
OK these are the settings I use to achieve 4.7 stable.
I am new to OC'ing and would like to push this further.
My idle temps are 30-31.
My prime95 blend temps are 55-58.

When I try for 4.8 and above the PC locks up. I have tried increasing voltage to CPU but I think it probably needs other settings tweaked which is where you lovely folks come in.
I know that "cool n quiet" is enabled but i disable that when trying a new OC. I enable it when I have a stable OC to save power.









 
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#3 ·
You have a really nice combo of mobo/CPU. What cooler are you using?

I've found that it is easier to overshoot voltage and work down than it is to start low and work up, so here's how I'd do it:

Extreme Tweaker Menu:
AI overclock tuner to XMP
CPU manual voltage to 1.50v

digi+ power menu:
CPU load line calibration to ultra high

Advanced tab
cpu configuration menu:

cool n quiet disabled
c1e disabled
c6 disabled
apm disabled

Download IBT and run on very high; monitor temps. Pass? Lower voltage and run again.
 
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#6 ·
Still applies, yes, that is a great cooler and there's no need to fiddle with the HT/NB yet.
 
#11 ·
Looks like that was my mistake, I thought the RAM setting was in the AI overlock tuner. You have the RAM profile set how it should be already going by your screenshots.
 
#12 ·
The jump in voltage needed on my 8350 to get higher than 4.7 was quite a bit. I needed to go from 1.415 to 1.51 to hit 4.98 stable. A solid 5.0 required a bit extra...I think it was 1.525 volts. I had CPU/NB set to 2400 with a voltage of 1.25 (Board was Sabertooth 990fx gen1). I can't remember what HT was set to...I want to say 2600 but I am not sure. I will have to look to see if I have the settings saved or written down anywhere when I get home.
 
#13 ·
Hi! Here are the settings I used to get to 5 ghz on air with a Sabertooth. Also, here is a pic of my air flow. Note that there are 4 good case fans and no exhaust fans in that lightly modded case.





Oops. how it ran.
 
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#15 ·
I'd switch the orientation of you cooler's fans to where they're both blowing towards the rear exhaust.

When you say the temps "shoot up", can you be more specific?
 
#18 ·
Download hwinfo64.
 
#20 ·
Did you uninstall hwmonitor?
 
#22 ·
I know, but I was suggesting you uninstall it because it could potentially conflict with hwinfo64, ergo your crashes.
 
#24 ·
Quote:
Originally Posted by geesolo View Post

the cpu will be on 42 degrees and then when i run prime or ibt within 5-10 seconds it wil reach 62+ and rising. I have to stop the test because of the 62 degrees threshold.

both cpu fans are blowing towards the rear.
IMO I think the temp increases are normal. I experienced similar behavior when I approached 1.5 vcore on my rig. I don't have a D14, but my Zalman is similar in performance and design. Your ambient temps must also be on the warmer side, I presume?
 
#26 ·
Quote:
Originally Posted by geesolo View Post

I can get a stable 4.9 and 5.0 with 1.5vcore.
The temps idle are 42 to 43. But when I use ibt or prime it shoots up straight away.
I have an exhaust fan right next to the d15 exhaust.



Is this counter productive?
The front fans look to be positioned well. The D14 fans push 80-90 cfm and unless your exhaust fan pulls at least that much it is a restriction. This causes the hot air from the cooler to recirculate around inside the case and get sucked back into the cooler, which makes it run that much hotter.

The GPUs also put out a lot of hot air, so the intake fans need to be powerful enough to feed the D14 plus push the hot air from the GPUs out the back of the case.
 
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