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post #20911 of 22487
Quote:
Originally Posted by gupsterg View Post

@tolis626

I'll be honest I've never had a game BSOD/RSOD on my DC/Z97 platform since getting it Q1 15.

I've used 2x differing CPUs, 4x differing Hawaii cards, 7x differing Fiji cards with same rig.

By my statement I do not state categorically it can't happen. By my statement all I state is I have no experience to share in context of your post.

So far when I've set a OC profile on CPU if it passes x264/RB Stress mode/f@h I've had 0 issues with games. I have set OC profiles 4.4GHz to 4.9GHz for 24/7 use on my 2nd i5.

I have been heavily into bios mods for Hawaii/Fiji, if a GPU OC/mod has been an issue:-

i) For 3D loads I usually get a windows app error/bomb out to desktop. Usually tends to be I gave too little voltage to GPU for the OC/mod.

ii) For f@h I'll get "bad state" on GPU folding slot, again voltage increase to GPU sorts it.

I generally through intial testing of CPU/GPU I get a "feel" for how it responds to OC and then I base my next steps with it on that. I will take time to see which app/games the OC is most sensitive to show instabilty, if I sort the OC not to fall over in thoses situations the others fall into place pretty much without any headache/retuning of OC.

I OC CPU/platform first, once I know it is sound then GPU.
Well, that's mostly how I do my OC too. At first I had messed up, having overclocked the memory, then the CPU, then the GPU and everything was running hotter than it should, but then I took the time to do everything right. The only thing that has given me any trouble after my CPU passes stress testing is BF4. It's sometimes too much, I guess. But if it's unstable there, it's unstable generally, I guess. I just think that there's something else that I'm missing and it's not purely a CPU issue...

Also, your CPUs aren't typical samples, so don't compare. You're making mine look bad. tongue.gif
Quote:
Originally Posted by jdorje View Post

I've never crashed in games after passing an overnight x264. With less stressing (aka laziness) it can certainly happen.

Well, last time it happened it did after the PC had completed 4 hours of RealBench. Today I changed some stuff and ran 1 hour of RealBench and 15 loops of x265 stress test (I found that it finds instabilities faster than x264 most of the time, it also runs hotter though). I'm gonna play a bit tomorrow and see how it goes.

My problem is, it seems random. I remember instances where the damn thing would pass 1 or 2 or even 4 hours or RealBench or whatever no problem, but then after a reboot it would fail the same tests it had passed before. Boggles my mind, really.

Another thing is I can't really stress overnight. I keep the PC in my sleeping room and during stress testing it makes too much noise to ignore. I also don't really feel good leaving it running a stress test while I'm not at home, so I usually just do something else (like study or watch a movie) while testing. I guess I'm a bit paranoid as the worst thing that can really happen if temps are under control is it will reboot. And even that rare occassion where it will get stuck during a BSOD... Well, the cooling is working so how bad can it be? But it's more of a psychological issue than anything else. I don't know what your take is on this, but I've always been probably too cautious. smile.gif
post #20912 of 22487
Quote:
Originally Posted by tolis626 View Post

Another thing is I can't really stress overnight. I keep the PC in my sleeping room and during stress testing it makes too much noise to ignore. I also don't really feel good leaving it running a stress test while I'm not at home, so I usually just do something else (like study or watch a movie) while testing. I guess I'm a bit paranoid as the worst thing that can really happen if temps are under control is it will reboot. And even that rare occassion where it will get stuck during a BSOD... Well, the cooling is working so how bad can it be? But it's more of a psychological issue than anything else. I don't know what your take is on this, but I've always been probably too cautious. smile.gif

With hwinfo you can set the program to force shutdown on PC if temperature exceeds XX temp on the GPU or CPU. I don't think stress testing needs to be done for so long anyways but I used to set hwinfo to shut my PC down when I did folding to protect the hardware just in case a fan failed somewhere.

Post thought:

I add it to a bat file in this guide under "safety first" if you want to use that method:
http://www.overclock.net/t/1434322/amd-multiplier-overclocking-guide-vishera-bulldozer-phenom-more-ga-990fxa-ud5-rev1-1-non-uefi-bios-example

(the guide itself is fairly old and somewhat horrible, please ignore tongue.gif)
Edited by dmfree88 - 7/2/16 at 3:00pm
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post #20913 of 22487
Yeah HWinfo can run other programs on alerts you define. On the other hand you should have all the CPU protections setup in UEFI so that the CPU downclocks on over temperature. Something can always fail whether you are in the next room or outside.
post #20914 of 22487
Yeah but I wouldn't stop at just that though because if it is throttling all night that cant be good for it. Any overnight runs of anything should have hwinfo (or some other program) set to shutdown PC. I am sure if you have a little more knowledge than I you can probably set it up to kill whatever stress program is running instead of shutting down the PC but if it is overheating due to fan or pump failure it would probably still overheat without stress (depends on your heatsinks ability to cool without fan).

Safety first! thumb.gif
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post #20915 of 22487
Quote:
Originally Posted by gupsterg View Post

Recent release of HWiNFO shows VCCIN amps/watts on my M7 Ranger smile.gif , prior to that update only VCCIN voltage.

If I keep the same VID for testing and use same app to load CPU, differing VCCIN set by bios will equal differing VCCIN amps/watt value.

I would therefore conclude it has an effect on power use.
On my first i5 4690K I tested 1.7V VCCIN with 4.6GHz @ 1.26V for some stability testing and had no issue.

The wattage reading in hwinfo varies greatly on my 4690k with raised input voltage. However temperatures remain identical and wall wattage (with my kill-a-watt) remains identical (within a watt anyway).

Of course, not all chips/FIVRS are the same.

Hilariously on my chip it seems to be doing some calculation like wattage = amperage * 1.75, under the assumption that the input voltage is 1.75. So if I raise my input voltage the "reported" wattage will drop, and if I lower it the reported wattage will rise. Yet it doesn't actually report the amperage which is (afaict) the only way this set of numbers could be arrived at.

(I say "chip", but I really have no idea if it's the mobo or the CPU doing this work.)
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post #20916 of 22487
Hey Guys!

Upgraded from an i5 2500k with an Asus P8Z68-V PRO to an i7 4790K and an Asrock Z97 Pro4, couldn't be happier.
Was able to achieve 4.5ghz on all cores with 1.201v vcore and 4.3ghz cache stable and cool (adaptive). weird thing is that, stock, the mb was pulling 1.260v vcore.... a bit over the edge for stock clocks.

Happy to be part of the group!

Cheers,

Lucas
post #20917 of 22487
Quote:
Originally Posted by pokerapar88 View Post

Hey Guys!

Upgraded from an i5 2500k with an Asus P8Z68-V PRO to an i7 4790K and an Asrock Z97 Pro4, couldn't be happier.
Was able to achieve 4.5ghz on all cores with 1.201v vcore and 4.3ghz cache stable and cool (adaptive). weird thing is that, stock, the mb was pulling 1.260v vcore.... a bit over the edge for stock clocks.

Happy to be part of the group!

Cheers,

Lucas

Welcome and nice job! I have 4770k with the same mob. Just a friendly notice keep an eye for your voltages for a day or so with some monitoring program (i recommend hwinfo). Atleast for me the voltages would randomly spike over my set limit during gaming or encoding. They wen't from 1.35v to 1.48v and that's waaaay too much even with my delidded water setup.

Cheers and welcome thumb.gif
post #20918 of 22487
Ermmm... I have absolutely no idea why, but my CPU just completed some x265 runs at 4.7GHz and 1.23V VID (1.245V Vcore). A few hours ago it completed 4 hours at 1.245V VID (1.26V Vcore). Only thing I changed was VCCSA from +0.15V to +0.17V, so a real voltage of 0.984V. Like what the hell. It used to need over 1.3V for 4.7GHz. This is really strange in a really good way...! biggrin.gif

EDIT : 4.8GHz at under 1.3V seems like it just doesn't want to happen. Even at just over 1.3V (1.305V for a VCore of 1.328V, so very acceptable) it crashes after a while. Though it has gone from crashing within the first few seconds to taking over half an hour at 1.29V, so we'll see... I'll try some low VCCINs and see how it goes.
Edited by tolis626 - 7/5/16 at 12:47am
post #20919 of 22487
I posted before about this and you can read my extensive post here

http://www.overclock.net/t/1604607/random-pc-restart-issue.

Basically what I figured out now over the weekends is that my pc is somewhat unstable when doing asus realbench. Haven't tested x264 stress test but it's almost the same. In many games I can get 4.6GHz stable without crash but the only game having issues so far is Crysis3. I could even do aida64 stress test for about 20min I think and it was fine.


my pc specs:

Corsair AX850 http://www.corsair.com/en/professional-series-gold-ax850-80-plus-gold-certified-fully-modular-power-supply
4790k @ 4.6GHz @ 1.28V
Corsair h100i
Asus rog vii ranger (latest drivers en bios)
Windows 10 (latest updates)
Galax GTX 980 TI HOF (latest drivers)
ADATA XPG 16GB DDR3 2400MHz RAM
2x SSD (128GB + 256GB)
Corsair Air 540 case
PG279Q

So what can I tweak. Here is my settings so far.

Power current: 140%
Power Phase: extreme
Cache voltage: 1.2V
Cache Ratio: 39x
LLC: Level 8
Cpu input voltage: 1.88V
Core 4.6ghz
Vcore 1.26V (goes to 1.3V under stress test)
VCCSA: 0.920
Memory XMP 2400mhz


For now I've decided to run my CPU at default bios settings that will enable a settings to allow to go to max boost regardless of how many cores are being used by a game. I would love to get 4.6GHz stable cause in GTA v my GPU usage is lower than on 4.6ghz. I know that games likes a fast cpu.

Temps when running asus realbench is about 75C

Any other information needed?
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post #20920 of 22487
Quote:
Originally Posted by DiceAir View Post

I posted before about this and you can read my extensive post here

http://www.overclock.net/t/1604607/random-pc-restart-issue.

Basically what I figured out now over the weekends is that my pc is somewhat unstable when doing asus realbench. Haven't tested x264 stress test but it's almost the same. In many games I can get 4.6GHz stable without crash but the only game having issues so far is Crysis3. I could even do aida64 stress test for about 20min I think and it was fine.


my pc specs:

Corsair AX850 http://www.corsair.com/en/professional-series-gold-ax850-80-plus-gold-certified-fully-modular-power-supply
4790k @ 4.6GHz @ 1.28V
Corsair h100i
Asus rog vii ranger (latest drivers en bios)
Windows 10 (latest updates)
Galax GTX 980 TI HOF (latest drivers)
ADATA XPG 16GB DDR3 2400MHz RAM
2x SSD (128GB + 256GB)
Corsair Air 540 case
PG279Q

So what can I tweak. Here is my settings so far.

Power current: 140%
Power Phase: extreme
Cache voltage: 1.2V
Cache Ratio: 39x
LLC: Level 8
Cpu input voltage: 1.88V
Core 4.6ghz
Vcore 1.26V (goes to 1.3V under stress test)
VCCSA: 0.920
Memory XMP 2400mhz


For now I've decided to run my CPU at default bios settings that will enable a settings to allow to go to max boost regardless of how many cores are being used by a game. I would love to get 4.6GHz stable cause in GTA v my GPU usage is lower than on 4.6ghz. I know that games likes a fast cpu.

Temps when running asus realbench is about 75C

Any other information needed?

Ok, first off, AIDA64's stress test is kind of garbage. My CPU can pass it at some ridiculous settings without crashing, but it will crash in most other things. So avoid it. Use x264 or x265 from the forums here, RealBench, OCCT (Although many suggest staying away from OCCT too, like Prime95) or similar. You want realistic loads as much as possible. Also, use manual voltage when testing, not adaptive.

Now, your settings seem fine. More than likely is that you need a bit more VCore. But since you're running DDR3 at 2400MHz (I assume at 1.65V), a bit more VCCSA may help, or it may not. Trying won't hurt and 0.92V isn't high to begin with, so you can go 0.95-1V and see what happens. You may also need a bit more VCCIN or way less, that's always worth trying. Your cache multi is a bit low, but leave it at that until you can stabilize everything else, then increase if you want.

My testing methodology goes like this. Dial in the settings then do a "quick" 10 loop test of x265 Stress Test. If it passes, drop the voltage a bit (I'm talking about VCore, but this applies to almost everything. I either decrease/increase clocks or decrease/increase voltages as I deem necessary) and repeat until I reach instability. Then go back up a step and try to run a 4 hour stress test in Realbench. If it passes, it's stable. If it doesn't, I go one more step up, but usually there's no need. My stability testing hasn't failed me since I started doing it like this, so give it a go. It does take while, though. smile.gif
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