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Haswell Overclocking Guide [With Statistics] - Page 572

post #5711 of 19539
You guys do realize that Darkwizzie did this guide as soon as Haswell showed up in that time there was close to nothing about these CPU's, This Guide toke time to do and dedication, if you guys think its not good and you can do better we are all thankful to that, but if the only thing you can do is complain... well lets just say there are better things to do with the time wasted on those posts.

I am not saying that all is 100% right, if you guys can help in any way i appreciate that and i am sure that Darkwizzie will to dont be like 99% of ppl who only talks and does nothing useful.
post #5712 of 19539
Think there's maybe 4 popular guides going about.

This one.
The gigabyte one in the same section as this.
Linus
Asus 3 step.

The 4 guides listed above near enough cover the same ground/say the same thing for OC'ing Haswell with a little variation between them. Try one, if it doesn't work for you then try another. BIOS terminology may be quite specific to each mobo but google has a lot of answers!

It'll also probably help having a read through this thread, the Gigabyte one, and maybe also the Haswell owners thread. There's a mountain of good info to help you get going between them. Lot's of different opinions, advice, idea's etc. Try a few of the suggestions folks have made and see how it goes. Just keep an eye on how much voltage you're using and temp the core's hitting. Plenty of info/discussion on what's deemed 'safe' as well.

smile.gif
post #5713 of 19539
Quote:
Originally Posted by [CyGnus] View Post

You guys do realize that Darkwizzie did this guide as soon as Haswell showed up in that time there was close to nothing about these CPU's, This Guide toke time to do and dedication, if you guys think its not good and you can do better we are all thankful to that, but if the only thing you can do is complain... well lets just say there are better things to do with the time wasted on those posts.

I am not saying that all is 100% right, if you guys can help in any way i appreciate that and i am sure that Darkwizzie will to dont be like 99% of ppl who only talks and does nothing useful.

I agree with this 100%. I've sent Darkwizzie a few suggestions for his guide through PMs and he's added a lot of info I thought would be useful to everyone. This guide may not be 100% perfect, but what the heck do you guys expect for something we still don't know everything about? And complaining that the guide doesn't have your mobo's info is not helpful to anyone. This is an overall guide to overclocking Haswell, not a guide to teach you how to use your motherboard. That is on your end to learn.
post #5714 of 19539

I know one thing I have noticed recently that has not really been covered anywhere. On Asus motherboards, when you mess with the DIGI settings you can affect idle and load power draw by like 100 watts. I am still not sure which settings exactly these changes, might be worth exploring.

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post #5715 of 19539
Quote:
Originally Posted by RushiMP View Post

I know one thing I have noticed recently that has not really been covered anywhere. On Asus motherboards, when you mess with the DIGI settings you can affect idle and load power draw by like 100 watts. I am still not sure which settings exactly these changes, might be worth exploring.

Which one(s)? 100W differences imply large throttling and/or idle vs. load loads.

I've included below few minor suggestions to the guide. Nothing major, just clarifications.

2cent suggestions (Click to show)
C states
Use program Cstates 1.2 or Realtemp. Realtemp 4 will show all the way to C10 (doesn't apply to Desktop) but version hasn't been published.

Overclocking section:

1. Set Uncore (AKA Ring Bus, Cache), maybe mention what the stock cache multi is on i5 and i7, it's not as obvious as it maybe should be.

2. Simplify RAM suggestion and merely say "put it to 1333Mhz", then do the next steps and then raise RAM etc.

3. -

4. Maybe suggest what users can try and raise if they run into problems. SA, IOD/IOA etc.

5. -

6. Mention again why and maybe specify AVX2, I find it raises the volts by ~0.8v.

1:1 myth section. I think you can simplify this and remove the fluff. You make the good points about doing it if possible but if not, then not lowering core etc, leave it at that.

Voltage Parameters section. You mention XTU, good idea would be to put a warning against Bench as it will raise the volts compared to Stress.

Couple of addtions:

- SVID will allow you to monitor Watts, regardless if it's accurate or not. Turning that off will not show anything useful.

- SVID (at least on my board) removes CPU Input Voltage / VCCIN and put it's to 1.82v, this does raise under AVX2 loads. You can put an offset to this however.

- LLC level 7 on ASUS pretty much nails VCCIN to what you put it in BIOS for both load / idle. LLC Auto = LLC 8.

- Initial (pre-OS) vs. Eventual (post-OS) loads.

- Stressing section for X264, maybe provide a link to newer encoder, v2377 is latest compared to 2200 provided in the bench script. Note that they will need to "re-work" the script slightly to get it working and rename the executable if they want to do this.

http://download.videolan.org/pub/videolan/x264/binaries/win64/

I'm also curious if anyone else can replicate the "too little VCCIN even though you're stable", may affect your performance problem. I know most here wouldn't see it as they have it high enough but once you start lowering it, you may remain stable but a program such as X264 will start reporting lower FPS. I did not see this in Cinebench as an example though.
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post #5716 of 19539
what typically causes x101?

I passed 24 hours p95 max ram 28.1 with:
4.6ghz@1.45vcore/2.05vrin
4.4ghz/1.3uncore
2666 11-14-14-28-1t loose 2nds and 3rds timings 1.75v
+.15/+.15/+.15

I forgot to put on LLC and my RAM appears to have more headroom, so I'm testing:
4.6@1.4v/2v
4.4/1.3
2800 12-14-15-29-1t
+.2/+.2/+.2

but i keep getting x101 at the 3rd hour. The thing is, I also got it at 4.6@1.45v/2.05v No llc 2800 12-14-15-28 so I dont think its cpu or uncore in and of itself unless the higher ram speed somehow messes with them.

I mean could be anything but if anyone had some ponters I1d appreciate it. I feel like I heard x101 is uncore or something.
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post #5717 of 19539
Machine check error is 124 i think. Not sure, google should say.
Quote:
what typically causes x101?

Insufficient VRIN or the haswell fairies not smiling upon you, most likely.
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post #5718 of 19539
To overclock past 1.3 V vcore, is it pretty much a necessity to de-lid even with a custom water loop when hyper threading is enabled - I have a 360mm and 120 mm radiator for the CPU and a single GPU (290X)? I am not sure if something is wrong with my Raystorm (going to try remounting it), but at 1.3 V vcore I am already hitting 85-92 C with Prime95 (small FFT, 2nd iteration of blend), while Intel XTU is more around 65-74 C. My cooler does have some light scratches on the copper, but thermal paste (MX-4) should make that a non-issue.
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post #5719 of 19539
Quote:
Originally Posted by jrcbandit View Post

To overclock past 1.3 V vcore, is it pretty much a necessity to de-lid even with a custom water loop when hyper threading is enabled - I have a 360mm and 120 mm radiator for the CPU and a single GPU (290X)? I am not sure if something is wrong with my Raystorm (going to try remounting it), but at 1.3 V vcore I am already hitting 85-92 C with Prime95 (small FFT, 2nd iteration of blend), while Intel XTU is more around 65-74 C. My cooler does have some light scratches on the copper, but thermal paste (MX-4) should make that a non-issue.

That's misinformation. I can push up to 1.4vcore with my custom loop and I'm not delidded.
post #5720 of 19539
Quote:
Originally Posted by tatmMRKIV View Post

he asked what my problem was . Freaking reading the guide
looking for the past day for a descent guide
I understand that he really isn't saying much in the guide

It took me a few reads thru his guide to understand it. Mainly because I really didn't understand my bios voltages. Now that I do, I can see where he is coming from. And with the help of many, especially Doug2507, I will be able to OC this complicated piece! If you have questions, ask. I have and I will still ask. So no need to cut on the guide. He does update it incase you haven't noticed. I appreciate ya Darkwizzie for writing it. @error-id10t, I'm my experience, XTU bench did NOT raise my voltages at all. In fact, it was spot on with what I had set in bios. My setting on override of course. I also ran it under adaptive too.. Really didn't change much at all. Definitely nothing to be concerned about.
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