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[Official] Gigabyte GA-990FXA-Series Owners Thread/Club - Page 552

post #5511 of 12377
Quote:
Originally Posted by sabinus View Post

It seems that you've got serious throttling there, that's why cpu socket temp is only 45. Monitor with AMD OD --> CPU Status during Burn and see what I'm talking about. Look at the frequency / Multi and see how often it drops!
This happens because you've set VCore too high .. I see 1.488 max there.. it's too much even for 4600 Mhz. Drop it to ~1.45V max and set LLC to "Regular" and HPC to "Enabled".
Test again!

Ok thanks heaps, gave it a crack, watched clocks with CPU-Z since I already had it and it stayed locked on 4633mhz the whole time. I'm pretty sure its ok because it was still doing 90ish GFLOPS in IBT but anything I missed is going to help.
I'm working on lowering voltage, I've got 1.4375 set in bios and LLC on regular already and that's what gives me 1.488 under load.
Is HPC a Rev 3.0 thing? Mine is Rev 1.1 and has no HPC, its got APM which is off, when I turn it on then I get throttling.
post #5512 of 12377
Baskt_Case: What happened? You seemed happy a few days ago.

Sabinus: This thing ran happily @ 4.5ghz with stock voltage until i came here and started stress testing and getting errors. I bumped the voltage up and got an error, then bumped it again and now no errors while running OCCT with the large and medium data sets. The small data set has it hitting the 65C redline in about a minute, but otherwise the temps are now in the 50-55C range max. Right now it is idling at 17C which is below ambient. So, should I be concerned about those errors while stress testing?

I deleted AMD ECC because it conflicts with other programs, and turns off Xfire too. All changes are made in the bios, such as it is. It still cannot run the PWM fans properly.

Your case must be much larger than mine because I measured and the D14 will not fit, nor will another fan. Well maybe a 40mm fan will. That is why I am looking at the U12S. It will fit and maybe leave enough room for a little fan over the VRMs.
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post #5513 of 12377
¿Is there any downside is running the GPU on the PCIE16X_2 slot?
post #5514 of 12377
Quote:
Originally Posted by miklkit View Post

Baskt_Case: What happened? You seemed happy a few days ago.

Sabinus: This thing ran happily @ 4.5ghz with stock voltage until i came here and started stress testing and getting errors. I bumped the voltage up and got an error, then bumped it again and now no errors while running OCCT with the large and medium data sets. The small data set has it hitting the 65C redline in about a minute, but otherwise the temps are now in the 50-55C range max. Right now it is idling at 17C which is below ambient. So, should I be concerned about those errors while stress testing?

I deleted AMD ECC because it conflicts with other programs, and turns off Xfire too. All changes are made in the bios, such as it is. It still cannot run the PWM fans properly.

Your case must be much larger than mine because I measured and the D14 will not fit, nor will another fan. Well maybe a 40mm fan will. That is why I am looking at the U12S. It will fit and maybe leave enough room for a little fan over the VRMs.

Most time the errors are caused by not enough voltage or memory timings. If bumping the voltage eliminated them then they are nothing to worry about. How long are you running OCCT to determine stability? I generally do at least 8 hours of medium to say mine is stable. Some guys only do an hour or two, however I've had mine error out just after 2 hours but have never seen an error past 8.

Quote:
Originally Posted by vonss View Post

¿Is there any downside is running the GPU on the PCIE16X_2 slot?

The downside would be reduced bandwidth for the GPU, your frame rates might suffer some. Best way to tell would be run it the 1st slot and do 3dmark or test a game, take note to your FPS. Then move it to the 2nd slot and do the same.
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post #5515 of 12377
Quote:
Originally Posted by miklkit View Post

Baskt_Case: What happened? You seemed happy a few days ago.

Well, this board has presented it's own unique set of problems to me. At first yea, things were great, but I built this rig mainly for folding and it started crashing while Folding. It was previously stable while Folding for days on end, then just started crapping out at random.

So I'm working on that right now. I've started my OC from scratch and working my way through getting IBT and OCCT stable, then I will try folding again.

Luckily, through all of this, I have not experienced throttling, just general instability.

So far I am IBT Max stable, and 7 hours of OCCT at 4.6GHz @ 1.45v CPU @ 1.22v CPU NB @ 2.505v CPU PLL

Plenty of time to mess with all this, I'm off work on medical leave after I took a horrible laceration to my hand and nearly lost a finger. Couple broken bones too!
Edited by Baskt_Case - 5/18/13 at 10:31am
    
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post #5516 of 12377
I only have patience for a one hour test. In fact I just did one.
I went ahead and dropped the volts one click to +0.25 and ran a couple of OCCT tests. The temps dropped some more which is always good, but in the small data set test it started throttling at only 59C this time. This is a worrisome trend. At first it would throttle at 65C, then 62C, and now 59C. mad.gif
Then I ran a large data set run for 1 hour and got no errors and it ran at 50C. Man I hope this thing holds together a while longer. worriedsmiley.gif
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post #5517 of 12377
Man, that sucks. I know the feeling. I havent been throttling, just crashing. First at 4.6, then at 4.5, all the way down to 4.0GHz. Downard spiral of failure.

When it gets bad enough, I just set everything back to stock and start from scratch. I also keep a notebook of last known good settings. I'd lose my mind trying to overclock without my notebook.
Edited by Baskt_Case - 5/18/13 at 11:00am
    
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post #5518 of 12377
Very Interesting Update, ...for 6-core (FX6000 series) owners....

Since I'm one of a short list of 6core owners on this thread I thought you might find my recent results of interest, (by way of contrast) not to mention of actual USE to any 6core owners dropping by.

While I'm still waiting for my Coolmaster CPU cooler to arrive I decided it might be good to push a little further on NOW and 1.) get some idea how far I'm going to be able to go, and 2.) get a little preview of the temps when I do, partly in hopes of NOT having to pull the board out again which installing the in-the-mail cpu cooler requires.
Last I reported I was at X17.50 = 3.5Ghz on the CPU and 1866 on the ram. since then I'd already punched up the RAM to 1959, all good. So here's what I did today:
in order:
Voltages:
V-CORE: +.025
CPU NB VID +.025
NB: +0.02 (net 1.12v)
LLC, either "med" or I left it on AUTO, not sure (working from notes I'm not at home)
Freq's:
CPU HOST CLOCK to 210 MHZ
CPU FREQ up one tick to X18:00 = 3.6Ghz
REBOOT. POST OK, CPU was showing me only 3.53 (rougly) only a tiny lift.
Then I noticed the Vcore resultant voltage was only 0.958 and I knew I wanted more like, btwn 1.2-1.3.
So back to v-core voltage, made it +0.250 (up from the +.025) which by my math should have only made it 1.21v net.
REBOOT. Post-still-good!
WHAM: 3.78Ghz!! (mutilplier set to 3.6) w'hoo! but wait, what's the temp?
V-core temp showng, 65c just idling in BIOS! My underanding is I wanna stay under 60 if at all possible!
and V-CORE net voltage now fluct'ng btwn 1.54 and 1.6 also well over my target 1.3.
I hauled donkey quickly back to the VCORE voltage and cut the tweak by half to +0.125.
REBOOT, good post.
At first I was confused, CPU speed still showed as 3.78Ghz, but the V-CORE-TEMP was down to mid 40's! Sweet!
AND the V-CORE net voltage was now btwn-1.44 and 1.53 still a bit high but no longer scary-high.

Questions:
1.) I assume, based on these results the next move is to pull the V-CORE voltage back one tick at a time untill I see the 3.78Ghz speed flinch. The logic being you don't want to give the V-CORE any more power than whatever's just enough to support the 3.78. and see how low the temp drops in the process. correct?
2.) I assume also that a vcore temp of mid 40s AT IDLE is not Sweet-Home-Alabama and under any actual load could shoot up and past 60c with-in, well, don't blink, correct? soooo if I can get the vcore temp lower and still maitain the 3.78Ghz thats a good plan. Correct?
3.) Currently the multiplier is set to a limit of 3.6 but the current resultant speed is 3.78, assuming I wanted a nice round 3.8, is the following the best attack:
pull the Vcore voltage back untill the speed dips, then put it back to whatever it was last supported the 3.78, and kick the multiplier/freq up to 3.8

Here's an interesting side note, I re-assessed the Windows Experience after I got the temp down, but still at 3,78 and 1933/(59) on the RAM and the VIDEO SCORES had actually DROPPED from 7.1 to 7.0 (yet the CPU score was unchanged) It seemed like the new OC was now crowding the VIDEO for resources. True?

Soon I'm going to fill-in this and all my other builds. I know you kinda need to know PS's and all that other stuff to answer some of my questions.
Thanks Guys!
post #5519 of 12377
Quote:
Originally Posted by sabinus View Post

It seems that you've got serious throttling there, that's why cpu socket temp is only 45. Monitor with AMD OD --> CPU Status during Burn and see what I'm talking about. Look at the frequency / Multi and see how often it drops!
This happens because you've set VCore too high .. I see 1.488 max there.. it's too much even for 4600 Mhz. Drop it to ~1.45V max and set LLC to "Regular" and HPC to "Enabled".
Test again!

That's another question I had. LLC there are 5 ticks not counting "AUTO". The lowest being either NORMAL or REGULAR, the highest being "Extreme".
What's the board concensus on that one anyway? "Regular" ? W-T-Heck's the difference anyway between say NORMAL and MEDIUM? Does anybody know?

Thanks guys!
post #5520 of 12377
Quote:
Originally Posted by NoNewEgg4Me View Post

That's another question I had. LLC there are 5 ticks not counting "AUTO". The lowest being either NORMAL or REGULAR, the highest being "Extreme".
What's the board concensus on that one anyway? "Regular" ? W-T-Heck's the difference anyway between say NORMAL and MEDIUM? Does anybody know? !

Check out this post I found on another forum. His Gigabyte board has 10 levels of LLC, and he did a test with a fixed BIOS vCore setting, and then booted using each LLC setting and logged the idle and load results.

One of of us needs to do this on our boards to get a definitive answer.

I've been using Auto since day one.
    
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