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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 6630

post #66291 of 66571
27.7.1

should i be worried that only one set of vrms are providing all the power? (or at least hwinfo claims so)
it's 4+1 + 4+1 right? which is why it's split with different sensors?
ugh 4.1 fails, but 4.0 is stable. stupid eigth core, whys he gotta be such a failure mad.gif
Edited by ocyt - 4/13/17 at 7:46am
post #66292 of 66571
Quote:
Originally Posted by gapottberg View Post

What version of prime95 are you using. If its anything after v27.9 it may not be optimized for FX and can cause errors that are not realated to your cpu as much as it just not being optimized for the software anymore.

v27.9 was the last version optimized for FX and is largely comsidered the best P95 to stress with on this forum. Maybe give that a try and see if it improves your results.

Really? I didn't know that. Has the current version been tested with the older? I use 28.10 and it seemed to work the same as it ever did for me. What's the difference? According to Prime95 upon launch it apparently optimizes itself depending on your CPU. I know (I think) that 27. something is the first version that supported FX chips, but it still calls mine a Bulldozer
post #66293 of 66571

hott hott hottttt, also noticed the first core is slower at completing tasks than the others
1.45vcore for 4.1 doesn't sound right at all
is it my core VID that's holding me back?
i tried upping my NB by 0.1v (although hwinfo doens't report any change) which helped, but not much.

also hit that 55C threshold without it failing, which is nice.
awh danm IBT fails me >: (
Edited by ocyt - 4/13/17 at 8:49am
post #66294 of 66571
Quote:
Originally Posted by ocyt View Post


hott hott hottttt, also noticed the first core is slower at completing tasks than the others
1.45vcore for 4.1 doesn't sound right at all
is it my core VID that's holding me back?
i tried upping my NB by 0.1v (although hwinfo doens't report any change) which helped, but not much.

also hit that 55C threshold without it failing, which is nice.
awh danm IBT fails me >: (

You are not Europe by any chance? I'm asking because I have a Sabertooth Rev.1 that I don't have any use for now.
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post #66295 of 66571
i don't think my motherboard is the issue.
wish you had told me a few days ago when my last mobo had died (see a page or two back for the nasty details and burn marks)
looks like i'm only going to get 4.1ghz out of this chip, total dud
post #66296 of 66571
Quote:
Originally Posted by ocyt View Post

i don't think my motherboard is the issue.
wish you had told me a few days ago when my last mobo had died (see a page or two back for the nasty details and burn marks)
looks like i'm only going to get 4.1ghz out of this chip, total dud

Ah ok, 4.1 really is a bummer frown.gif

I also have my FX-8350 lying around without any use for it, but that was only an average clocker too. Got 4.7@~1.46V with temps that were on the edge with my NH-D15.
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post #66297 of 66571
I am not certain whether new revisions fixed issues some of the newer ones seem to have. I am basing this on the advice of people whom know much more than I and it has been discussed at length in other threads around here. It may very well be that newer versions no longer seemingly cause failures that will not happen on the FX versions.

I was personally having issues getting anything to pass the newest P95 years ago and that was the advice i got. I swapped in 27.9 and began to pass scenarios that were obviously stable and only fail when i knew i was pushing the edge of what my chip can handle. Seem to help me find my sweet spot.
post #66298 of 66571
Quote:
Originally Posted by ocyt View Post

i don't think my motherboard is the issue.
wish you had told me a few days ago when my last mobo had died (see a page or two back for the nasty details and burn marks)
looks like i'm only going to get 4.1ghz out of this chip, total dud

Well if your cooling wasn't sufficient, and you ran 1.5V on a 4-phase motherboard (I don't count the extra one since it's not for the CPU), and you haven't monitored your temps (you said you were running 4.5GHz?) and get that much heat at lower clocks and voltage... seems like you messed up your chip. It's something my DS3P did to a 8320, and what I did. My watercooling is on service right now so I'm using a 92mm air heatsink. I remember using it @ 4.4GHz with a lot hotter chip and didn't do stress tests, GTA V was working okay and I considered it fine. Then got watercooling and stuff, it worked @ 4.7GHz but that few months without it left a mark. Now that chip won't go above 4.5GHz, and even that is semi stable.

But just to make sure, post us all of your BIOS ss's, you might be missing something. And anyway, that board can be the reason why you can't go any higher.
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Stryker
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post #66299 of 66571
And I've taken another look at your current screenshots. First, bump your NB voltage up! Also if you have CPU/NB! Other than that, what's that RAM you are using? You are running tight C10 timings on 2133MHz?! I managed to get 2200MHz out of a GREAT kit of HyperX memory. Lower your memory speed to 1866MHz and then try again. Your RAM might be causing the issue. Also, you seem to be running C6E + CnQ or something else enabled. Please, screenshots of all pages in BIOS.
Stryker
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Stryker
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post #66300 of 66571
meh, i give up. that last core just can't get to 4.1ghz

1.4125 cpu vcore with medium llc, puts it up to 1.42v (minimum for 4.0ghz stable) i've tried 1.464v (both with medium LLC and 1.36v+extreme LLC for reaching that voltage) but aside from hitting my thermal limit i still can't get 4.1ghz stable under IBT
1.4v nb core (tested up to 1.45v still fails 4.1ghz)
1.65v ram when i OC it to cl10 2133, (tested 4.1 and 4.2ghz at 1.5v 1866mhz cl9 xmp1 settings and even 1600mhz cl11)
1.20v HTlink (tried 1.3v, still unstable)
1.8v NB/PCIE/PLL voltage (tried increasing to 1.9v, still unstable)
2.5v cpu pll voltage (tried upping it to 2.65v still unstable)
1.3v NBvoltage (tested 1.45v, still unstable + more heat)

those are all the voltages i can control via BIOS.
also those are the voltages required for 4.0ghz @ FSB 229, 2520NB, 2980 HT & 2133mhz cl10 ram

stress tested with all the power saving features (and even svm), along with turbo turned OFF while running the stock xmp1 cl9 1866 ram speed (hell i even tested for 4.1ghz with cl11 1600mhz ram), all my fans running at max speed, p95(v27.7.1, can't find 27.9) fails after a few minutes at 4.2ghz, IBT fails second or third test at 4.1ghz.

@4.1ghz IBT fails the second or third test, yet p95 passes (albeit only tested 20minutes), at 4.2ghz p95 fails too. tested both multiplier and FSB OCed for 4.1/4.2ghz, same volts as above, same results.

now i've enabled the power saving features (disabled turbo, HPC and APM) for 24/7 4.0ghz, 229 fsb and ram OCed to 2133 cl10.

pity, i should've bought another cheapo mobo, wish i had known this chip was so worthless before splurging so much on this motherboard. i've never let the chip hit 60C (and only bought it in november), the socket hit 61C while testing 4.1 but tctl is still under that threshold (max 58C)
think i'll end up swaping the 8320e for my phenom II 925 and OC it again. but first ill test to see if i can get 4.4ghz again off the first 6 cores like the 970a had achieved.

edit: 6 core only goes up to 4.4ghz stable, same issue as above, going to 4.5ghz fails IBT but works with p95

side note: possible my last core isn't being cooled properly by the separated 212+ pipes, although i doubt that's the problem
another note to self: leave the voltages @ normal, use dynamic dvid to make use of power saving features.
Edited by ocyt - 4/16/17 at 5:59am
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