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

ll-Nightfly-ll said:
Cheers Guys, have been playing BF4 for a good couple of hours with no crashes...
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Wow, not only did you get your OC sorted but you seem to have fixed BF4 itself :).

People with perfectly good high end systems are struggling to get that game working. If you get a crash on it eventually, move onto stressing on another game, as BF4 is definitely not definitive when it is crashing, error-ing and glitching left right and center.
 
Avenged7Fold said:
Wow, not only did you get your OC sorted but you seem to have fixed BF4 itself :).

People with perfectly good high end systems are struggling to get that game working. If you get a crash on it eventually, move onto stressing on another game, as BF4 is definitely not definitive when it is crashing, error-ing and glitching left right and center.
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Haha fair comment. The game itself isn't that broken anymore, I'm pretty stable actually running the thing on my rig but the gameplay is still atrocious. The hitreg and movement speed is shocking so we ended up going back to BF3 for the remainder of the night and still smooth as silk but could actually kill people which was a nice change! haha

Think I'll give some FarCry 3 a blast tomorrow as that gives my system a nice workout too :D

Also just managed to do the Benchmark on the ASUS Realbench and managed to fly through that as well, got up to around 60c on the cores mind but I was only hitting 55c max while gaming tonight so all in all I'm going to take this as a win. Until a get a custom water loop that is ;)
 
Avenged7Fold said:
BTW guys, in case you are planning on sitting in front of a memtest screen for a while:

Depending on which version of memtest you have, you can allocate different amount of ram for testing. Obviously you want to test it all but a single run takes aaaages, so a speedier way to do it is by opening up several instances of memtest and dividing the memory you have to allocate up, by the number of instances. Each instance will put a core under load. Divide memory by four and it will complete tests four times faster!

If you run it from inside an OS, remember that you wont be able to test the Memory currently in use.

Have had a lot of memory issues with a large set of RAM recently given to me for clocking. Such a pain to have it run memtest to check for errors when you have 32gb to get through, so i am bloody grateful that memtest can be run in multiple instances.

If i was problem solving i would only use one instance from a bootable drive (due to OS taking up a portion of the memory to run) but if it is for error finding during clocking, i really abuse multiple memtest windows.

This is mainly to get any hardcore errors off the bat. Gaming/encoding/rendering or whatever the PC is used for should be how you finally check stability.
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Which program do you use to do this kind of multiple memtest? I found memtest86 boot that only gives options of bootable images and not an executable I can use from within Windows
 
Ive found that ive had to run my corsair vengeance at 1.6V to get it to run with the stated times, even though the XMP profile says it should run at 1.5V :( Memory seems to be a bit odd on my board. Tempted by the new AMD stuff though :D
 
Any memtest you can operate from an OS. Hence why it is good for stability testing bad for error checking. If your memory clock is unstable itl definitely show in memtest but it wont check whatever is being used actively by the OS. OS' that use little RAM to run, allow you to do practically a full memory check but far quicker and easily thorough enough for memory clocking. You cant boot memtest more than one at a time but you can execute it as a program that way. I am sure any memtest you can run as an exe file will be able to run as many instances as you have cores available, given the CPU is up to the job.

My 4770k is pretty much at 60% on each core with 4 instances distributed evenly between them.
 
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Managed to do a full cycle of my available memory using multiple instances and its pretty quick firing up 8 instances and going through in about 15min with 0 errors. Noticed that it does run over 100% so is it just infinite and then rechecks the same areas of RAM again?

For anyone interested I got my Windows executable version from here
http://hcidesign.com/memtest/

So all seems pretty stable at 1866mhz on the memory so looks like we're done here. I really need something else to occupy my time now!

Edit: I might actually have a tinker with the FSB+Turbo method as mentioned in this guide: http://www.overclock.net/t/1348623/amd-bulldozer-and-piledriver-overclocking-guide-asus-motherboard (Third post, fourth item down)

Has anyone tried their hand at it and is it worth the ability to have it down clocking when idle? I remember I used to run PHenomMSRTweaker on my old 965BE to get better power management on my chip so wondering if this was comparable
 
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Finally managed to get 4.6 stable by lowering ht and nb temps are around 59°.
But now, I keep on having trouble with my ram. No matter what timings I've got. I wish I could afford some new one!
 
So I've been having a tinker around with this FSB+boost malarky and it's got me stumped.

I've pretty much followed the guide posted above but gone with an fsb of 240 for a nicer, rounder number and the results are not what I expected at all.

When I boot into Windows and let it settle AMD Overdrive is showing me that I'm running at 4900mhz at a multiplier of 20.5 which is strange as my PC is just idling away. Coretemp on the other hand is showing me that I'm idling at 4092mhz which is lower than my lowest clock should be (4560mz = 240 x 19).

When I run linx it passes no problem and Cinebench is the same but I'm getting some pretty mediocre scores on Cinebench (720) and it's classing it at 4.46ghz when I expected it to show it as 4.9ghz as the core usage was at 100% throughout the test.

What's even weirder is that according to AMD Overdrive when running Linx my CPU downclocks to 4.4ghz and only touches the 4.9ghz in between each of the runs which is the exact opposite of what I would have come to expect.

Anyway, anyone with more nouse than me care to shed some light on this as I like the idea but I can't seem to get it to give me the results I would have expected.
 
That seems very strange. What temps are you running at? Could it be throttling?

Have you double checked with CPU-Z? That shows what the multi and fsb are set at whilst in windows
 
Yeah, temps weren't pushing over 50 on either socket or CPU so doubt it's throttling. The kinda temps I'd expect with a 4.5ghz overclock really. CPU-z was showing that it was stuck at 4.9ghz never faltering
 
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