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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 377

post #3761 of 67491
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Quote:
Originally Posted by bmgjet View Post

Guess my chip is faulty then.
At stock settings
With prime 25.5 it starts failing every 2nd core with in 2mins.
With prime 27.7 it starts failing after a few hours but only when I go to use the PC for something (check emails/facebook)

Voltage doesnt matter, Tried higher CPU voltage and CPU-NB voltage up to 1.5V cpu and 1.3V NB.
Does the exact same when overclocked to 5Ghz.

Tried everything when all of us were trying to figure it out 150-200 pages back.

Weird thing is no other stability program has any problems and during the 2XP in bf3 I put in a solid 6 hours non-stop and it didnt crash and hasnt at all in anything.


Also Vishera supports 2 different instructions sets to Zambezi.
FMA and a different version AVX which is more closer to intels.

Oh look at that in the prime95 change log they have made some bug fixes to code that uses that for version 27.2

"The rewritten FFT assembly code in the current stable version 27 (since May 15, 2012) uses Advanced Vector Extensions (AVX) instructions"

And this is an example of someone who does know how to troubleshoot problems.

Occam's razor ladies and gentlemen. Everything works but this one program, and this one program has been known to not work at stock settings. Simple solution: It's the program.
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post #3762 of 67491
1 1/2hr in on prime95 at 4.7Ghz clocks, but the core voltage is at 1.5V! after LLC its going 1.538v. temp wise I have quite some headroom before hitting 60C socket temp and core temp's max peak so far is 51C


Here's a temp log so far, only about 49mins since I forget to set-up the temp logs right when I started running prime.


Edited by Sazz - 11/20/12 at 3:47am
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post #3763 of 67491
Quote:
Originally Posted by KyadCK View Post

And this is an example of someone who does know how to troubleshoot problems.
Occam's razor ladies and gentlemen. Everything works but this one program, and this one program has been known to not work at stock settings. Simple solution: It's the program.

And yet raising the voltage at stock frequency alleviates the error according to others. Does the CPU suddenly learn how to do things every CPU made in the past decade could already do when you raise the voltage, or was it just not completely stable? Which sounds more reasonable.

If Prime didn't work with Piledriver, it wouldn't work for anyone. But it is working for others, ergo it does work with Piledriver as long as the processor is stable enough to do what the program asks.

Your explanation is more convoluted than my explanation.
Edited by Tempey - 11/20/12 at 4:11am
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post #3764 of 67491
KYyad CK:
Quote:
Occam's razor ladies and gentlemen. Everything works but this one program, and this one program has been known to not work at stock settings. Simple solution: It's the program.

This /\

I don't know how some of you can look at the changelof for P95, see all of the 'bug fixes, see that it has been updated to run for IB and SB, not been touched for PD and not at least hold out the possibility that the program would have a problem not getting along with a new processor.
Quote:
If Prime didn't work with Piledriver, it wouldn't work for anyone. But it is working for others, ergo it does work with Piledriver as long as the processor is stable enough to do what the program asks.

A bug fix can be implemented for and under any set of circumstances that the program might run into problems operating

" fixed bug where P95 hangs when 'turbo is turned off etc or whatever. could be a thousand different scenarios or settings, or a specific chipset combo. I don't know that it is, but the program has been 'bug fixed' a number of times. I don't know how you can be so sure.
I said a few pages back that I am a hardware guy, not a software guy and would not know bad code if it bit me in the ***. But this is a support thread for Vishera owners and if you can demonstrate that P95 can't possibly have any incompatibilities with Vishera, please share them as there are a number of folks here that can get every stress/load program to run except P95 and you would be doing a great service to actually and specifically show why P95 cannot have any problems with the Piledriver architecture . Because as far as I understand it, "bug fixes' and changes (both found in the P95 change log) to the program inherently mean that something was not working correctly with it before the fix was implemented.
I am not trying to be a ***, I would really like to understand this because it has been rattling around this thread since page 5.
Edited by Red1776 - 11/20/12 at 4:44am
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post #3765 of 67491
Quote:
Originally Posted by Tempey View Post

And yet raising the voltage at stock frequency alleviates the error according to others. Does the CPU suddenly learn how to do things every CPU made in the past decade could already do when you raise the voltage, or was it just not completely stable? Which sounds more reasonable.
If Prime didn't work with Piledriver, it wouldn't work for anyone. But it is working for others, ergo it does work with Piledriver as long as the processor is stable enough to do what the program asks.
Your explanation is more convoluted than my explanation.


so far I am not having the illegal sumout error at 4.7Ghz w/ 1.5V core voltage, but 1.5V for a 4.7Ghz clocks on a 8350 sounds too high, some people does it as low as 1.4375v. but then again I don't know if they really are stable on that voltage or not.
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post #3766 of 67491
Quote:
Originally Posted by Sazz View Post

so far I am not having the illegal sumout error at 4.7Ghz w/ 1.5V core voltage, but 1.5V for a 4.7Ghz clocks on a 8350 sounds too high, some people does it as low as 1.4375v. but then again I don't know if they really are stable on that voltage or not.

Could be anything tbh. Could be some mobo's not supporting the CPUs correctly yet (which may explain why some have problems and some don't). Remember when Bulldozer would BSOD in Steam games? Was a bios microcode issue. There's no reason why Piledriver would not be compatible with prime. The problem is somewhere else
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post #3767 of 67491
Just asking but, does anyone know if Vishera chips are compatible with 1st gen AM3 Boards?
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post #3768 of 67491
Quote:
Originally Posted by Red1776 View Post

KYyad CK:
This /\
I don't know how some of you can look at the changelof for P95, see all of the 'bug fixes, see that it has been updated to run for IB and SB, not been touched for PD and not at least hold out the possibility that the program would have a problem not getting along with a new processor.
A bug fix can be implemented for and under any set of circumstances that the program might run into problems operating
" fixed bug where P95 hangs when 'turbo is turned off etc or whatever. could be a thousand different scenarios or settings, or a specific chipset combo. I don't know that it is, but the program has been 'bug fixed' a number of times. I don't know how you can be so sure.
I said a few pages back that I am a hardware guy, not a software guy and would not know bad code if it bit me in the ***. But this is a support thread for Vishera owners and if you can demonstrate that P95 can't possibly have any incompatibilities with Vishera, please share them as there are a number of folks here that can get every stress/load program to run except P95 and you would be doing a great service to actually and specifically show why P95 cannot have any problems with the Piledriver architecture . Because as far as I understand it, "bug fixes' and changes (both found in the P95 change log) to the program inherently mean that something was not working correctly with it before the fix was implemented.
I am not trying to be a ***, I would really like to understand this because it has been rattling around this thread since page 5.
If prime95 were the problem, then it wouldn't be stable for anybody running it on an 8320 or 8350. The problem is that it IS stable for some people. Some people have rock-solid prime95 stabilities -- hours and hours of tests with no issues. It isn't stable for others.

The simplest explanation is that differences in prime95 stability are caused by some systems not being as stable as others. If it were an inherent problem with the program or with the CPUs then we'd see the instability all the time. Only certain CPUs on certain MBs with certain settings are failing. I don't care if those settings are sometimes "stock" -- what the heck difference does that make -- there's still an instability.

So far, prime95 seems pickier than other stability tests I've run, but that just means it's doing a better job finding the instabilities, IMO.

Prime95 runs a set of mathematical operations. If the same set of operations works on one system, mine for example, and not on a different system, what would explain the behaviour? A system that doesn't get the right answer to a set of mathematical operations isn't working right, IMO. I just don't see this as being subject to debate by reasonable people. If the exact same code is run on two different systems with two different results, then there's a problem with (at least) one of the systems.
Edited by rvaughn - 11/20/12 at 7:14am
post #3769 of 67491
hey guys i can't decide

http://www.newegg.com/Product/Product.aspx?Item=13-131-851&SortField=0&SummaryType=0&Pagesize=100&PurchaseMark=&SelectedRating=3&VideoOnlyMark=False&VendorMark=&IsFeedbackTab=true&Keywords=%28keywords%29

this or

http://www.newegg.com/Product/Product.aspx?Item=13-131-877&SortField=0&SummaryType=0&Pagesize=100&PurchaseMark=&SelectedRating=4&VideoOnlyMark=False&VendorMark=&IsFeedbackTab=true&Keywords=%28keywords%29

this

I wont use the ram if I get the saber so i can sell it off which makes them almost the same price. but looking at the boards they look almost the same as far as layout

even spec wise they read the same hmmm.... the 880v-EVO was a beast of a board too
Edited by F3ERS 2 ASH3S - 11/20/12 at 8:11am
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post #3770 of 67491
Sabertooth has more PCI-E lanes and a better warranty, I'd go with that
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