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The Gigabyte Z87/Haswell Overclocking(OC) Guide - Page 21

post #201 of 3247
Did you reset with the button on the mainboard? just resetting thru the bios itself is not enough.

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post #202 of 3247
Yeah i updated the bios then the system restarted, loaded into windows, quit windows and shut down then pressed the reset button on the mobo, the turned system on was asked if i wanted to load optimal defaults are reboot which i did, then loaded into windows and BCLK is still zero

maybe i should try switching to the 2nd bios??

Regarding the VRIN voltage, once i have a stable OC with just adjusting the vcore and VRIn, when i move on to upping the uncore freq, does this have an effect on the VRIn, or it it only CPU ring the uncore effects?
post #203 of 3247
Yes try the second Bios... prolly still has F3 in it tho lol if you didnt flash it yet.
Mine had it anyway..

The ring, also demands current, and by upping the multi of uncore, the ring will demand more current too.
This is why Sid speaks about the extra added heat from a high uncore multi will not weigh up to the performance gain.
post #204 of 3247
Just got MPower Max/4770k, very different to sandy! Just started to overclock, currently at 4.7Ghz, having BSOD124 at x48 any tips for squeezing out more juice.
One thing I have noticed is that under load (prime95) the multi is changing from x45 to x47 is this normal or should it be constant at x47? (I use turbo so the CPU idles lower, don't want constant high volts)

4.7Ghz 1.3v in bios Memory 2800Mhz

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post #205 of 3247
Quote:
Originally Posted by dean_8486 View Post

Just got MPower Max/4770k, very different to sandy! Just started to overclock, currently at 4.7Ghz, having BSOD124 at x48 any tips for squeezing out more juice.

0x124 is the bane of the haswell's it seems, many ppl have this error, and only this error. It can mean too low vcore, too low Vrin (that results in too low vcore so that one is logical) and or and not limited to too low Vring....
Quote:
Originally Posted by dean_8486 View Post

One thing I have noticed is that under load (prime95) the multi is changing from x45 to x47 is this normal or should it be constant at x47? (I use turbo so the CPU idles lower, don't want constant high volts)

It is normal if you set it up like that, by setting the turbo multi's to 47.. But I wouldnt OC like that.
You can leave out the turbo-ing to higher multis by leaving the turbo for the seperate cores on auto. At least that is how it works on Gigabyte, not sure on MSI.

I agree with having constant voltage not being very ideal but for troubleshooting it is the way to go imo.
It rules out alot of things. And when you have your OC stable then you can always bring back the C states, EIST and turbo one by one.

Also i recommend you read the first post in this thread, it is very helpful. also for non Gigabyte users.
And yeah Sandy is a breeze compared to this smile.gif
post #206 of 3247
Quote:
Originally Posted by Terraformer View Post

Yes try the second This is why Sid speaks about the extra added heat from a high uncore multi will not weigh up to the performance gain.

So for a 4.6-4.8Ghz OC its not worth going over 4ghz uncore then??

So when you reflashed your bios, did you let the PC boot back into windows, or did you turn the PC off as soon as it had finished flashing and pressed the mobo reset button?? Im a bit peed off with the location of the reset button, as my old X58 gigabyte mobo had the reset button on the rear I/O panel so you didnt need to take the side panel of the case off just to get to it frown.gif
Edited by BlockABoots - 6/22/13 at 3:54am
post #207 of 3247
Quote:
Originally Posted by BlockABoots View Post

So for a 4.6-4.8Ghz OC its not worth going over 4ghz uncore then??

So when you reflashed your bios, did you let the PC boot back into windows, or did you turn the PC off as soon as it had finished flashing and pressed the mobo reset button?? Im a bit peed off with the location of the reset button, as my old X58 gigabyte mobo had the reset button on the rear I/O panel so you didnt need to take the side panel of the case off just to get to it frown.gif

Yeah leave it at 4ghz imo..

After i reflashed, i waited for it to boot and let it go in to the bios, and then i pressed the reset button on the mobo.
So it got double resetted.

Yep reset button is in a bad place, but it is a bit of an enthousiast board i guess, some ppl dont even have it in a case. Just on a stand..
post #208 of 3247
Hmm, changed to the 2nd BIOS which was F3, as you said. I decided to load into windows to see if TewakLauncher was reporting a value for BCLK but it wasnt. I then turn the PC off, and then did the following

1. Pressed the Reset BIOS button
2. PC turned on and was asked to load optimal BIOS defaults and reboot
3. Rebooted into Q-Flash
4. Flashed to F5 BIOS version
5. PC cold started twice and then i went into bios, pressed BIOS reset button
6. PC turned off and then on and was asked to load optimal BIOS defaults and reboot
7. Loaded into windows and still no value for BCLK in TweakLauncher.
8, I repeated the above steps for BIOS version F6i, and that had the same results and then the same steps again for BIOS version F6j.

I dont know what else to try really, am wondering if this is having an effect on my OC at all, if its not reading the correct value?. Should the BCLK setting in the BIOS be as 'AUTO' or '100.00' when overclocking?? I have noticed that CPU-Z does report the Bus Speed changing from 100.00 to 99.99 now and again when stressing, i would have thought seeings as i have set it manually to 100.00 in the BIOS it should never change??
Edited by BlockABoots - 6/22/13 at 5:33am
post #209 of 3247


Missed the screenshot like a noob, but just finished 10 min encode. Ran for hours live encoding with ht on (ht off was just to test ibt - since i updated bios i started getting lower gflops with ht on, like with other cpu's)

Was a bad bios all along, went from failing at 1.35vcore to passing at 1.315, gg

Thanks Sin, lifesaver
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post #210 of 3247
Quote:
Originally Posted by Cyro999 View Post



Missed the screenshot like a noob, but just finished 10 min encode. Ran for hours live encoding with ht on (ht off was just to test ibt - since i updated bios i started getting lower gflops with ht on, like with other cpu's)

Was a bad bios all along, went from failing at 1.35vcore to passing at 1.315, gg

Thanks Sin, lifesaver

Nice, what are your VRIN and CPU Ring volts? and uncore setting?
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