Overclocking FX-8320 on Asus M5A99X Evo R2.0

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KStream

KStream

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Oct 22, 2013
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So I got my first build together and everything is working fine. I am a complete noob when it comes to overclocking but I decided to give it a shot. What's the point of owning a Vishera if not overclocking, right? So after searching as much info on this set up I could find I OCd to 4.2GHz with just adjusting the multiplier and frequency (20 x 210), everything else is set to auto. 4.4Ghz was unstable. I haven't yet touched volts (I think it is auto atm) nor RAM settings. My problem is that even the UEFI is really user friendly I am not techical enough to really know how to go around so I'd like to ask some help. I'd like to get over 4.5, preferably somewhere around 4.7GHz would be perfect. I can't overclock too much as my PSU is the achilles' heel in my system rated only at 520W, altough from the reviews I've read it can give close to 600W at 82% efficiency.

CPU: FX 8320
CPU COOLER: Thermalright HR-02 Macho Rev. A
MOBO: Asus M5A99X Evo R2.0
RAM: G-Skill RipJawsX 2x4GB 1600MHz 1.5v
PSU: Seasonic S12II 520W
GPU Asus R9 280X DCII overclocked @ 1100MHz

OC%20test%204.2Ghz%20running.png


OC%20ddram.png


I believe I should now start adjusting the volts and perhaps overclocking NB (Ram?) but as I said the settings are too technical for me so any help preferably from someone who has this same mobo would be greatly appreciated.
 
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getochkn

getochkn

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Jul 2, 2006
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Best guide is here. http://www.overclock.net/t/1348623/amd-bulldozer-and-piledriver-overclocking-guide-asus-motherboard It shows BIOS screens and settings nearly identical to your board.

I have the same chip/board and can hit about 4.6ghz. I haven't done much tweaking either, FSB is 233 to make my RAM match at 1866, multiplier 19.5 and I turned up the digi-controls as stated in that article.


The thing that worries me looking at your screenshot, is the temperature1, at the top. That is 66c. This is the socket temp of the chip. You only really want to that to get to 70c, that is it's max. Your CPU core temp also hit 53c, with 60c being it's max.

Some people stay from prime on the AMD FX processors because it seems to push further than needed. I can run intelburntest or OCCT and they both overload the CPU's to 100% on all cores and get temps 10c less than with prime. I don't know what prime does to push it that much further, but if other programs max it at 100% and seem to keep temps inline, I'll use them. None of them are real world scenarios anyways unless you do massive data crunching. Playing BF3 at 4.56ghz, my socket/core temps are like 48c/36c.

Good cooling is a big part though, as the AMD draws a lot of power, 125w at max, the socket gets hot fast. Some people go as far to cut a hole in the side of their case under the socket, and put a fan there to pull heat or push cool air on to the socket. I'm not that nuts of a OCer to go that far.

Another good guide to go by, that doesn't have the same BIOS as ours or the first link, but explains things a bit different is here http://www.overclock.net/t/1140459/bulldozer-overclocking-guide-performance-scaling-charts-max-ocs-ln2-results-coming


I use intel burntest or occt instead of testing my stability.
 
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KStream

KStream

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Oct 22, 2013
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Thank you for the reply, that tutorial is exactly what I needed and the UEFI BIOS is exactly identical of what I have.

I had pretty much the recommended settings besides CPU LLC which I raised to ultra high as well Dram Current Capability which was at auto and I set it now to 130%. This took my temps pretty close to the max but I am at 4.3GHz with stock voltages which I believe should be as good as it gets without raising voltage.

I did use the stock thermal paste provided with my Macho HR-02 which might give me few extra degrees but the Macho heat sink and fan should be solid and one if not the best at it's price range. That said I am aware that water cooling is the way to go when trying to hit 5GHz but I would have to assume one should be able to get at least 4.5GHz with a solid air cooler.

OC%204.3GHz%20running.png


Now would be the time to raise the voltage but I would have to assume that will raise the temps even more which I can not afford at this point as you can see my core is close to the recommended max @ 71 celsius. As I said I would like to hit that 4.7GHz, at least 4.5. Where to go from here?
 
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getochkn

getochkn

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Now try intel burn in test or OCCT stress test and see what temps you get against prime95. Or try playing whatever game you want to play on max and check your temps. Prime pushes the FX really hard for some reason, you can even google it, a lot of FX owners don't use it for stability tests because it seems extra hard on the system. I played BF3 for a few hours, no problems, that's the most demanding thing I do, that's a good test for me.
 
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KStream

KStream

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Oct 22, 2013
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Just did. Socket got to 66c and core to 55c. I am going to lower CPU LLC back to high and HPC back to unabled. I am puzzled why I'm getting such high temps. Does the heat sink fan / air cooler effect on the socket temp too. I'm thinking if I didn't install the heat sink properly or I screwed up when applying the thermal paste leaving air bubbles there, I don't know. Cant really grasp where such high temps come from.
 
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KStream

KStream

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Oct 22, 2013
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Didn't work, failed in less than minute so I set them back to what I had them initially. Socket 68c and core 55c is what I get. I'm coming to the conclusion that the mobo and/or the air cooling is "bottlenecking" here. I doubt that the PSU when pushed to it's limits can affect the socket temps. Other than that, I am pretty much clueless at this point. Not sure if my RAM is optimized either and whether it can affect the stock temps.

OC%20Test%204.3GHZ%20OCCT.png


OC%20Test%204.3GHZ%20OCCT%20RAM.png


Looks like I'm staying at 4.3GHz unless someone can point out clearly where the problem lies.
 
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getochkn

getochkn

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well the 862 there means your ram is running at 1724, overclocked from it's stock 1600. This is because you increased the FSB. It may be the weak link. I would reset everything in the bios, set the llc, power things, etc, and then only go multiplier until you can't get higher, then some voltage increases and go higher, etc. Also, join up on the site I linked the guide to and ask there, that whole thread is a 163 pages and dedicated to this exact thing.

I also use the Asus AI suite to make adjustments and if they hold, then go make them in the bios. Saves 10000 reboots. lol. Also, make sure you installed the chipset drivers for the motherboard.
 
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KStream

KStream

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Oct 22, 2013
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I havent touched the RAM or FSB, it was set to auto and I notice it changes with the multiplier. I'm all over the thread...
 
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getochkn

getochkn

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Ah, first thing, turn the first option in the AI screen to manual instead of auto or docp. Ya it's a good read, I'm not even 1/3rd of the way through, but learning lots. lol.
 
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KStream

KStream

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Oct 22, 2013
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After looking in to all possible angles it most likely the mounting of HSF / badly applied TIM which is causing these temps. I see fair amount overflowing which can cause even +10c degrees at socket so I ordered some MX-4 and will mount the whole thing again.
 
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