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***official amd 83x0 overclocking thread***

How do u guys use LinX ? what settings for a fx 8350?

Load it up, set it to 5 runs (you'll know within two if you're stable) let it run.

Watch your temps closely. You'll usually find that at 70c your PC will just freeze up. If you can keep below 68c over five runs then your temps are also perfectly acceptable.

The only time in any game you will see the kind of heat LinX generates is in the levels of Crysis 3 where they actually implemented 8 threads. I didn't run a stability test on my CPU @ 4.2ghz as I really didn't think I needed to. Got to the swamps on Crysis 3 and my CPU started overheating and throttling to 1.7ghz.

That was when I realised a H60 was for nothing but looks :D
 
Here.. Took a screeny. What you need is LinX, HWMON and CPUID.

I've put an arrow to show you where to set the runs. I've underlined the two temps in HWMON you need to watch, and, the CPU speed. If it dips you've got a problem.



As I said, that test is absolute hell for an FX. If you make it through LinX you're stable. There really is no need to waste hours of your time on anything else.
 
+1 for what andy said, IBT is more than sufficient for AMD processors, much quicker than prime which gives you more time for tweaking than testing.

Although I have had a few failures on standard stress after five passes, think they failed on the 6 or 7th pass.

But I have a 4.8 overclock which isn't IBT stable (didn't crash system though) and runs fine for gaming, mining, video reformatting etc.
 
It's not right no.



You can see there that all 8 cores during each test will hit 100%. They drop between runs, then it's back to 100%.

Either your rig is throttling or something else is wrong. Load up CPUID and keep a close eye on the bus frequency and CPU speed whilst the test is running. If it drops below your clock then you're being throttled by something.

What boards are you guys using?
 
Seems like my overclocks are not stable. Gonna start from scratch again.

I know this is going to seem crazy and totally unrelated but...

Have you manually volted your memory? because Asus boards throw a spastic if you do. And I don't mean the Asus Crosshair FZ, I mean literally both of the Asus boards I have. Both of them become completely and totally unstable if you even so much as breathe near the memory voltage.

EDIT. Can all forum users who post in this thread please put your rig specs in your sig. It makes it so much easier to help you when you have a problem.

Cheers.
 
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I know this is going to seem crazy and totally unrelated but...

Have you manually volted your memory? because Asus boards throw a spastic if you do. And I don't mean the Asus Crosshair FZ, I mean literally both of the Asus boards I have. Both of them become completely and totally unstable if you even so much as breathe near the memory voltage.

EDIT. Can all forum users who post in this thread please put your rig specs in your sig. It makes it so much easier to help you when you have a problem.

Cheers.

My previous overclock settings i had it at 1.65V and i had timings of 9-9-9-24.

This is what im do from scratch:

Ive gone back to basics and i got a bit of available time and wanna make sure my system is proper clocked as the first time i did, it seemed it was and then the next day i was having a few blue screen.

Before we talk about overclocking, i thought id mention the important parts of the PC.

I have a bitfenix ronin (love the case) set up with an H100 and 2 Corsair SP120. I also have 4 Corsair AF120.

My idle temps are 6-12C - So i would like to think my case is nicely cooled.

Here is the standard set up before i mess about with CPU Ratio and CPU voltage

Advanced CPU Configuration:
900x900px-LL-5f19aa68_0bas.png


AI tweaker part1:
900x900px-LL-0c2d0d97_mtpf.png


AI tweaker part 2:

My ram is the following: http://www.overclockers.co.uk/showproduct.php?prodid=MY-042-AR&groupid=701&catid=8 - I am uncertain which voltage to use? Before i was varying from 1.6v to 1.65v
Also do i need to change CPU/NB Manual Voltage?

900x900px-LL-8901f261_xk1a.png


DIGI+
900x900px-LL-3eac311d_udhz.png


I have not set up DRAM Timing Control:

900x900px-LL-f8a00b7d_hg79.png


Again ive linked my ram above, advice on this would be appreciated before i had 9-9-9-24


Also if anything else needs changing and etc please do tell.
 
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Also if anything else needs changing and etc please do tell.

Your pics are tiny, but I can already see you've manually volted the ram.

You really, truly, can not do that on any Asus AM3 board.



You'll note that the bioses look identical? that's because they are. The only difference between my CHVFZ apart from the colour is that it has one extra section in it for extreme tuning.

Every single time I have manually volted my ram my PC would just hang and crash at every opportunity. Like, totally and completely unstable.

The board obviously likes taking control of the memory voltage, so whatever. Once you let it do it you'll find you can just ignore that and concentrate on overclocking.
 
Cheers for that ALXAndy, ill give that a try, any other changes? What about ram timing? Also ive read in many forums on overclock.net that they do advice you to set a v for your rams, is this knowledge from personal experience or has it been proven?


ps. ive made the pictures bigger
 
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Cheers for that ALXAndy, ill give that a try, any other changes? What about ram timing? Also ive read in many forums on overclock.net that they do advice you to set a v for your rams, is this knowledge from personal experience or has it been proven?


ps. ive made the pictures bigger

I would load optimised defaults, then go about your business, leaving the ram voltage alone. TBH? the board usually always gets it right. The only time it didn't (settings not voltage) was when I used my extreme memory.

But every single time I have added a setting for the memory voltage my boards (both my CHV and my M59a7) have become completely unstable, even freezing up on the desktop with normal clocks.

Go back a few pages to where I updated my bios. I fought with the rig all day trying to get it stable and eventually went back to the old bios thinking it was the new one. It wasn't. What ensued was about eight hours of me ripping my hair out only to find what the cause was.

Usually I guess in the end I would just forget to volt the ram, and that's when I would get stability. It was also happening to Alex, and he runs an Asus board too.

I do know for sure that this is not limited to the Crosshair. As I say, I've had it happen to me on my M59a7 too, and that's not even a 990 based board.

It also happened to a friend of mine with a Sabertooth, so that's three boards I've seen it on now, all Asus.

It may only happen with certain brands of memory, but I've used both Mushkin and Geil and same thing happened on both.

The auto setting will always work and provide enough juice to the ram, so I don't lose any sleep over letting it do it automatically.
 
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