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Haswell Overclocking Guide [With Statistics] - Page 846

post #8451 of 19603
Quote:
Originally Posted by Forceman View Post

Are you guys mixing up 3.6 and 4.6? I think there was a typo somewhere (4.6 written instead of 3.6) and you might have gotten your wires crossed.

I'm thinking so, too. I was assuming he meant 4.6Ghz at stock. Which made me really confused because I know Darkwizzie knows better.
post #8452 of 19603
Thread Starter 

It was a typo which I thought I clearly correct in the followup post to Blaze's post which first pointed out the typo. :devil-smi

I did some benchmarks and at 3.6ghz vs 4.6/4.2, I managed to grab a 27% performance boost on chess. Excellent, excellent, excellent.

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post #8453 of 19603
Quote:
Originally Posted by fleetfeather View Post

Freeze will be due to cache voltage too low most probably, with memory instability somewhat less likely (yet still very possible). When you adjust bclk, you're moving core clock, cache clock, and memory clock. Please don't use bclk of 111 rofl - youre in no-mans land with that. Use a higher multiplier with lower bclk instead. The formula is:

Frequency * bclk * strap (adjust decimal points as necessary)


The higher you attempt to clock memory, the looser the timings. No set timings apply for a given frequency; it's specific to the DIMMs themselves. If you bought lower-end memory, chances are you won't be able to clock it much higher even with loser timings and more voltage - memory is not a cpu, not all DIMMs are on the same playing field and different clocks aren't a matter of chance. The only exception I can think of for low clocked memory which can reach high clocks is Samsung Green

Cache voltage is probably too low because he is using BCLK and that would up the uncore ratio if I'm not mistaken.


Quote:
Originally Posted by D-Dow View Post

As I understand it, BLCK is different than 125 167 200 BLCK "Strap" (which only affect 3-4 things like ratio memory and cache)

I can get 111 BLCK, and it's very sweet place to be, just the computer is poppin, lively. The problem is game freezes, hard freezes, and I have to power off to reboot. As I understand it, still frame freezes (no BSOD), is, a Memory problem, umm maybe too tight of timings set, Or I guess maybe too much OC of MHz on the memory. When I set to 111 BLCK the 1600 memory is OC'd to 1776 O_o so I guess it's fine idk

I relaxed my timings for tomorrow, I don't have time to test now, saved another profile, I have to sleep, but Game Still Screen freezes (Hard) are a memory problem are they not? If I play on another setting with a 105 BLCK then no freezes, AS LONG AS, my timings are set to 9-10-9-30...if I try to 9-9-9-27 or the like, then the freezes start happening again, but on this High of a BLCK which ups the memory even more from 1680 @ 105 BLCK to 1776 @ 111 BLCK then I guess I accordingly, Must relax the timings even more from 9-10-9-30 to idk?? what? tomorrow I'll be going from 10-10-10-30..Do you guys have any other timings for such a higher memory MHz? I know 1866 is a standard that, depending on the RAM, may even have 10-11-10- (what?) What's a standard timing for higher RAM to set my OC'd 1600 RAM at?

Basically what he said. with Haswell, hard lockups are usually caused from uncore voltage being too low/uncore being set to high (Basically the same thing, but Uncore has voltage walls, too)

Again. It is best to test what is the highest multiplier you can achieve is that way you are messing with one variable at a time instead of quite a few. With BCLK you are messing with core multi, uncore multi, ram, and then all the voltages that apply. Too. Many. Variables.

Use the mutli first while messing with VRIN and Vcore in small increments separately and find stability.
post #8454 of 19603
jameyscott....Couldn't you just turn up VRIN to 1.9v or 2.0v and just call it a day? Just go ahead and raise the Vcore from there?? I heard VRIN doesn't really effect temps anyway.
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post #8455 of 19603
You're not mistaken, that is very much correct. Especially with bclk 111, which would move a uncore clock of 4.0 all the way up to 4.4 lols. That's deffs going to need moar voltage haha.
post #8456 of 19603
Quote:
Originally Posted by steven88 View Post

jameyscott....Couldn't you just turn up VRIN to 1.9v or 2.0v and just call it a day? Just go ahead and raise the Vcore from there?? I heard VRIN doesn't really effect temps anyway.

That's pretty much exactly what I did. Doug told me to do so. Just put your VRIN to whatever setting you are comfortable with and up that vcore. I knew I wasn't going to be temp limited at all though. At least for the voltages I felt safe using. I only suggested doing that because I don't know his cooling solution and what temps he is comfortable with. If he is okay with 65C and only has a Coolermaster 212 EVO every degree is going to count. That's an extreme example, but you get the point.

Quote:
Originally Posted by fleetfeather View Post

You're not mistaken, that is very much correct. Especially with bclk 111, which would move a uncore clock of 4.0 all the way up to 4.4 lols. That's deffs going to need moar voltage haha.
Yeah.. The only way to effectively use BCLK at that high of a level is to "downclock" from stock. I.E. make your multi low enough to be back down to stock settings and continue from there. I honestly don't see why anyone would put that much work into it though. Just move the multi and then use BCLK to squeeze out that last little bit of performance.
post #8457 of 19603
Quote:
Originally Posted by jameyscott View Post

That's pretty much exactly what I did. Doug told me to do so. Just put your VRIN to whatever setting you are comfortable with and up that vcore. I knew I wasn't going to be temp limited at all though. At least for the voltages I felt safe using. I only suggested doing that because I don't know his cooling solution and what temps he is comfortable with. If he is okay with 65C and only has a Coolermaster 212 EVO every degree is going to count. That's an extreme example, but you get the point.

Oh yeah for sure...thanks for clarifying. I plan to use 2.0 VRIN to dial in my 4.7ghz and possibly 1.32vcore. I honestly didn't know what VRIN was prior to a few weeks ago.....but yeah I gotta NH-D14 and I plan to use non synthetics...so I should be cool beans thumb.gif
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post #8458 of 19603
Quote:
Originally Posted by steven88 View Post

Oh yeah for sure...thanks for clarifying. I plan to use 2.0 VRIN to dial in my 4.7ghz and possibly 1.32vcore. I honestly didn't know what VRIN was prior to a few weeks ago.....but yeah I gotta NH-D14 and I plan to use non synthetics...so I should be cool beans thumb.gif

My 4770k required 1.95VRIN and 1.325V, so hopefully you can get it. Make sure to tone down your VRIN once you've found a stable Vcore, every little bit helps when lower temps. Might want to considering delidding, too. wink.gif
post #8459 of 19603
Quote:
Originally Posted by jameyscott View Post

My 4770k required 1.95VRIN and 1.325V, so hopefully you can get it. Make sure to tone down your VRIN once you've found a stable Vcore, every little bit helps when lower temps. Might want to considering delidding, too. wink.gif

I should go in 0.05v steps? 1.90, 1.95, 2.0, 2.05?

No delidding for me...too scarred...lol...also as for toning down the VRIN....I honestly just want a "one stop shop" voltage and call it a day....would 2.0 VRIN be a good start? or 1.90 VRIN? Remember, I'm not too concerned with temps, as I'm using non synthetic...and I have a nice air cooler biggrin.gif
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post #8460 of 19603
Quote:
Originally Posted by steven88 View Post

I should go in 0.05v steps? 1.90, 1.95, 2.0, 2.05?

No delidding for me...too scarred...lol...also as for toning down the VRIN....I honestly just want a "one stop shop" voltage and call it a day....would 2.0 VRIN be a good start? or 1.90 VRIN? Remember, I'm not too concerned with temps, as I'm using non synthetic...and I have a nice air cooler biggrin.gif

Haswell isn't a one stop shop. wink.gif It's more like a grocery store. All the stuff you don't want to look at is up front and what you actually need is in the back.

I'd start with 1.95 and work your way up from there if you start getting BSODs.
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