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Haswell Overclocking Guide [With Statistics] - Page 324

post #3231 of 19580
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Originally Posted by Darkwizzie View Post

V-v-v-v-voltage wall!
FINISH HIM.
post #3232 of 19580
Quote:
Originally Posted by jameyscott View Post

It's just weird because I'm stable at 1.95 with 4.5Ghz. I just can't get 4.6 stable without a huge increase in Vcore.

A step of like 0.05v or 0.06v is not too uncommon i think, though i'd make sure it's neccesary very carefully. A lot more than that seems weird to me though, unless you're stepping from like 1.4 to 1.48. I mean stepping +0.1v like 1.25 to 1.35 for 100mhz would be really really odd

You need less vcore to be stable at 4.5ghz with 1.95 vrin vs 1.85?
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post #3233 of 19580
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Originally Posted by Cyro999 View Post

A step of like 0.05v or 0.06v is not too uncommon i think, though i'd make sure it's neccesary very carefully. A lot more than that seems weird to me though, unless you're stepping from like 1.4 to 1.48. I mean stepping +0.1v like 1.25 to 1.35 for 100mhz would be really really odd

You need less vcore to be stable at 4.5ghz with 1.95 vrin vs 1.85?

I'll test it out on Monday when I'm done with my 16 hour shifts.
post #3234 of 19580
Uhg I am freezing on boot up. Freezes at bios screen. Uber annoyed right now.
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post #3235 of 19580
Quote:
Originally Posted by jameyscott View Post

It's just weird because I'm stable at 1.95 with 4.5Ghz. I just can't get 4.6 stable without a huge increase in Vcore.

I think You are using to high Vrin. For 4,5 Ghz I need 1,76 Vrin,1,215 vcore, 1,13 ring x39

For my 4.6 GHz OC I need about 1,83 Vrin,1,26 vcore and Ring 1,13 x39. Interesting part is: Ring to 1,12v and System would become very unstable. Same as lowering Vrin to 1.82 System would crash !
So for You being unstable @4,6 ghz is probably you dont use right Vrin and Vring voltage. A difference of 0.1 v can make the difference here.
The higher you overclock the more difficult it gets and more exact Vrin etc. is needed.


have fun good luck
Edited by Alxx - 9/29/13 at 7:33am
post #3236 of 19580
Quote:
Originally Posted by ChrisB17 View Post

Uhg I am freezing on boot up. Freezes at bios screen. Uber annoyed right now.

What was your last change setting(s) and your current config on the bios?
post #3237 of 19580
Quote:
Originally Posted by Ali Man View Post

What was your last change setting(s) and your current config on the bios?

I haven't changed anything afaik. I am totally confused why this is happening. If I push the reset button on my case the PC boots just fine?
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post #3238 of 19580
Quote:
Originally Posted by ChrisB17 View Post

I haven't changed anything afaik. I am totally confused why this is happening. If I push the reset button on my case the PC boots just fine?

Memory running XMP speeds?
post #3239 of 19580
Quote:
Originally Posted by Cyro999 View Post

1.95 is really high though, you're maybe using too much. I'm pretty sure at this point that more is bad and you can go up and up and see better results, until you hit a certain point and they start getting worse again
This is just confusing to read, you're changing cache voltage and uncore multiplier and vrin too at the same time, i would sort out vcore+vrin, get stable, then work on uncore >afterwards<. How do you know you're not destabilizing core by changing VRIN drastically? If you're at a high core clock, a 0.2v change in VRIN will completely change the oc, there is no way i could make that kind of change and still be stable on the core.

35x uncore also turbo's to 4ghz (i know, because i'm using it for the idle drop to 800mhz til further notice or i figure out how to drop it otherwise) and is unstable with 1.15 ring for me at my OC. I have to manually specify a little higher, though i faced that after i was set up on vcore, vrin, core multi etc by setting it manually to 34x and 1.15 ring while i was working on those, so i could stabilize quite tightly like change vcore 0.005v at a time. 1.25v, record average time between fail, 1.255, 1.26, 1.265 etc. I think the best way to get an OC anywhere close to final is to just isolate one variable at a time, or as few as possible like vcore, VRIN

Yeah man i have been pretty sick with the flu so I have had some time to screw around with my PC. At the same time I am not making a lot a sense on the forums. Another confusing issue I have is the ASUS Boards have different naming nomenclatures I am trying to get use to this.

I fully understand your post, and I guess i crunched to many items into an incoherent paragraph. I was testing stability voltages and settings individually with in my PC, but from the looks my big poo of a post I was doing it all at once.LOL. Well every time I come here I sure learn more of what and what not to do. Thanks again and hopefully soon I will have some good results posted of a solid 4.6ghz thumb.gif
post #3240 of 19580
Booted up with 1.85 VRIN and 1.25 Vcore! Thanks guys. I haven't messed with OCing since P4 days.... >.< Temps are about 3-5C lower at idle!

EDIT: Going go to work down from this. I just wanted to test this first. I'll find what is boot stable and work from there.
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