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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 567

post #5661 of 67014
Quote:
Originally Posted by KyadCK View Post

Heh, things like this are why we've been more reliant on IBT, OCCT and Overdrive. tongue.gif
Don't feel bad if you cant get Prime stable, see if it's good for everything else. If only Prime is having problems (and I mean only Prime...), then all that's happened is you've got the same problem as about half the people in this thread. Stability is what you make of it. thumb.gif

Ha, but where would the masochistic fun be in that ? biggrin.gif

I think I found the cause of the continuous hard locks in prime95 after the first lock.

I had LLC on CPU: Ultra-High, CPU/NB: High

and set these to AUTO then rebooted.

Prime no longer locks up.

Next test is to put these back on to Ultra...High.. settings reboot, then see if I get a lock up again.

On Auto the CPU is defaulting to Ultra-High and the CPU/NB to normal.

Will have to play with the others settings, hopefully can find some usefull info regards these before I attempt anything.
post #5662 of 67014
Quote:
Originally Posted by mongoled View Post

Hi!
Thanks for that information.
Prime95 locked up the PC at almost exactly one hour.
Package temp was 49C at the time.
I cant pinpoint the cause.
After the forced shutdown my resolution had defaulted to 800x600, rebooted again and it returned to normal.
And guess what, instant lockup when I run prime95 !!
I checked the mobo for heat, but nothing is remotely hot.
Going to leave it switched off for 30 mins and then see if I still get instant lockup.
Im totally stumped.

Most have problems with prime. I myself can only get 4.7 stable with prime any higher and its impossible even at a high vcore.

Like CK said dont be dis-heartened by it
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post #5663 of 67014
Quote:
Originally Posted by VonDutch View Post

hey peeps smile.gif
i bought a FX8350, on ga 990fxa d3,
installed it yesterday, but it wont boot,
vid card starts spinning, stops, starts spinning ..etc,
thought i did something wrong, so i took it all apart again,
putt together again, checked all cables like 5x, same problem,
hdd led blinks a few sec, vid card starts spinning, repeat...
no signal on monitor, wont even show bios or anything,
tried 2 different vid cards..
im puzzled, so im looking on the net, one answer was,
i need a bios update to make it work?
FX8350 doesnt work on my mobo?, it worked with the 1100T,
problem is i sold it, so cant check if its something else see..
i thought it was the old psu im using, its only 400Watt,
its a oldy tho, maybe it cant handle the startup power fx8350 needs?
not sure anymore what bios version is installed,
since i gave the comp to my son,
if it seems that its my bios, how can i get a new/latest one on?,
i dont have another cpu i can use for it...

400 watt psu is grossly inadequate. I strongly suggest at least a 650 watt psu of good quality to give you some extra cushion for any updates like a higher end video card.
post #5664 of 67014
Prime95 is just software and no software (other then drivers) should lock up/bsod your computer. If it does, then your system is unstable. Because there maybe other sw that causes the same behavior. I have never seen a cpu stress tool, that failed if prime was running for - lets say 8 hours. Thats why I use it.

I guess people are avoiding prime because it significantly (300 - 400 Mhz maybe?) reduces oc results. But let's all be honest here. If a stress tool fails in oc mode and runs @stock, what is causing a stress tool to fail? OC!

Another thing that is bugging me: Why the hell is somebody even thinking that visheras have a (principle) problem with p95? Several people confirmed that their setups can run p95. So there can't be a general problem. If it fails at stock, then there is an issue with the mb @stock settings! There maybe bugs in sw such as p95, but I guess people tend to go the easy way and say: "P95 fails on many visheras, so it is ok". I do not say that people have to use p95 at all, but putting it aside as "faulty software" is just wrong!

I don't want to take out the fun of overclocking or "praise" p95. It is just a tool.
post #5665 of 67014
Quote:
Originally Posted by KyadCK View Post

Low VID: (1.3-1.325v)
Lower voltage, higher temps. "Best" for extreme cooling that can take the heat (LN2).
High VID: (1.375-1.4v)
Higher Voltage, lower temps. "Best" for light cooling (think 212+), but it'll cap out early due to voltage.
Mid VID: (1.325-1.375v)
Mid Voltage, Mid temps. "Best" for heavy cooling (NH-D14, H100, custom loop, etc). You have to deal with the temps, but the voltage isn't so high that it'll cap early.
There are exceptions to every rule, like a dud that's both high voltage and high temps, and golden chips with lower on both, etc.
IBT pushes the CPU harder then Prime, and temps will be hotter while running it. OCCT uses the same general base as IBT, but is a different test.

Has anyone figured out what factors in production cause a dud vs a golden chip? I assume that even in so called good batches there are quite a few variations.
Edited by os2wiz - 12/16/12 at 5:12am
post #5666 of 67014
Quote:
Originally Posted by os2wiz View Post

400 watt psu is grossly inadequate. I strongly suggest at least a 650 watt psu of good quality to give you some extra cushion for any updates like a higher end video card.

thanks,
you think that could cause it not to boot, im trying to buy a second hand Seasonic S12 Energy 650watt, you guys think its good enough?
on the other hand, could it be the bios?
Edited by VonDutch - 12/16/12 at 5:13am
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post #5667 of 67014
Thread Starter 
Quote:
Originally Posted by gummelnn View Post

*another rant by a person who "doesn't get it"*

First of all, it does fail at stock for several people in this thread.

Second, Lock or BSOD is the fault of no program, obviously. Not what we're talking about.

Lastly, just drop it (all of us, not just you). We've been over this repeatedly in this thread, the last thing we need is one more person (especially someone who was not around for the last 5 or 6 rounds of this) to jump in the driver seat of the wagon and start all over again. There are people who can pass any bench or stress test under the sun, game, record, encode and have weeks of uptime, but god help them if they try to go for 30 mins of Prime. At this point, Prime is not reliable anymore, at least in my eyes. People may use it and trust it as they wish, but it is not the perfect program OCers make it out to be, and it's almost useless on Piledriver for a large number of people in this thread; the one full of people who have the most experience with this chip and all the different ways to stress it.
Quote:
Originally Posted by os2wiz View Post


Has anyone figured out what factors in production cause a dud vs a golden chip? I assume that even in so called good batches there are quite a few variations.

Oh I'm sure AMD and Intel and any other Chip maker record as best they can the process vs how well the chips bin. Would make a lot of sense really, thinking about the Ph II line and how AMD kept squeezing another 100Mhz out on a semi-regular basis. (955, 960, 965, 970, 975, 980, all just a 100Mhz bump as they perfected the method)
Edited by KyadCK - 12/16/12 at 5:22am
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post #5668 of 67014
Quote:
Originally Posted by gummelnn View Post

Prime95 is just software and no software (other then drivers) should lock up/bsod your computer. If it does, then your system is unstable. Because there maybe other sw that causes the same behavior. I have never seen a cpu stress tool, that failed if prime was running for - lets say 8 hours. Thats why I use it.
I guess people are avoiding prime because it significantly (300 - 400 Mhz maybe?) reduces oc results. But let's all be honest here. If a stress tool fails in oc mode and runs @stock, what is causing a stress tool to fail? OC!
Another thing that is bugging me: Why the hell is somebody even thinking that visheras have a (principle) problem with p95? Several people confirmed that their setups can run p95. So there can't be a general problem. If it fails at stock, then there is an issue with the mb @stock settings! There maybe bugs in sw such as p95, but I guess people tend to go the easy way and say: "P95 fails on many visheras, so it is ok". I do not say that people have to use p95 at all, but putting it aside as "faulty software" is just wrong!
I don't want to take out the fun of overclocking or "praise" p95. It is just a tool.

The counter argument would be that to what extent is it important at a specific clock setting that your system be able to pass Prime95 for 8 hours ?

Ie, if it passes all other stress tests for those 8 hours and falls just at Prime, does this mean the system is bound to have 'issues' in more realistic day to day usage ?

Almost certainly not. The question then becomes for what envisaged usage of the computer is passing Prime of importance ? (Where Prime is the odd man out, the minority fail) And how many OC'ers will specifically be using their system in that way ?

And to be honest, what then becomes the acceptable cut off point for a Prime test ? 8 hours, 24 hours ? Why not 25 nours, or 48 hours etc ?
post #5669 of 67014
Quote:
Originally Posted by KyadCK View Post

First of all, it does fail at stock for several people in this thread.
Second, Lock or BSOD is the fault of no program, obviously. Not what we're talking about.
Lastly, drop it. We've been over this repeatedly in this thread, the last thing we need is one more person (especially someone who was not around for the last 5 or 6 rounds of this) to jump in the driver seat of the wagon and start all over again. There are people who can pass any bench or stress test under the sun, game, record, encode and have weeks of uptime, but god help them if they try to go for 30 mins of Prime. At this point, Prime is not reliable anymore. People may use it and trust it as they wish, but it is not the perfect program OCers make it out to be, and it's almost useless on Piledriver for a large number of people in this thread; the one full of people who have the most experience with this chip and all the different ways to stress it.

Yep, pretty much this thumb.gif
post #5670 of 67014
Quote:
Originally Posted by gertruude View Post

Quote:
Originally Posted by mongoled View Post

Hi!
Thanks for that information.
Prime95 locked up the PC at almost exactly one hour.
Package temp was 49C at the time.
I cant pinpoint the cause.
After the forced shutdown my resolution had defaulted to 800x600, rebooted again and it returned to normal.
And guess what, instant lockup when I run prime95 !!
I checked the mobo for heat, but nothing is remotely hot.
Going to leave it switched off for 30 mins and then see if I still get instant lockup.
Im totally stumped.

Most have problems with prime. I myself can only get 4.7 stable with prime any higher and its impossible even at a high vcore.

Like CK said dont be dis-heartened by it
Yup. I can only get an "Illegal Sumout"-free Prime95 at 4.64GHz, even at 1.52-1.53v. I run it without no real-life usage problems (*my* stable) at 1.47v.
Don't OCD too much on Prime95 and Vishera. If I wanted, I could probably crank 4.9GHz out of my chip, but the temps would be a bit out of control for my H80.
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