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Haswell Overclocking Guide [With Statistics] - Page 889

post #8881 of 19540
Quote:
Originally Posted by Barefooter View Post

I thought once multiplier and vcore are dialed in, that then uncore and uncore voltages should be overclocked with RAM set to 1600. Then once the uncore and uncore voltages are dialed in to adjust your RAM to XMP or whatever you can get.

Just to clarify you are saying overclock the uncore and uncore voltages with the RAM at XMP profile?

Core clock is most important for performance, followed by RAM, followed by uncore. It does not matter so much which you do as long as you do one at a time, but RAM 1600c9 to 2200c9 for me gave way way way way way more performance than uncore 33 to 40 did in everything that i've seen where both scaled performance
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post #8882 of 19540
Quote:
Originally Posted by Darkwizzie View Post

I recommend reading the first page of the thread. The section that specifically addresses your question is the "1:1 Cache Ratio" and the "Ring Bus Benchmark" sections. Here's the short version answer: There is no such bottleneck. Bottleneck in my mind means the performance dips drastically and increasing the core multiplier does not increase performance at all in benchmarks because the uncore is so far behind. This never happens and I demosntrated this over and over. The performance decrease from uncore is approximately the same for every 100 mhz from what I would pick up. And that difference is very, very small. Going from 3.4 to 4.2 doesn't even make as much difference as changing the core from 4.5 to 4.6.


This is why I recommend setting uncore to stock when overclocking the core. Having too high an uncore gets in the way of your core overclock and clouds your results. If you crash you don't know if it's core or uncore being unstable, which adds to the confusion. So once core is all done and stable, feel free to overclock uncore.
I did read the first page tongue.gif this is why I have some questions towards why a 1:1 ratio isn't worth it, but now it makes sense since like you said I wouldn't know what the causes are between uncore being unstable, core or Voltage. And the likely hood of having 1:1 ratio is also very slim.
post #8883 of 19540
Quote:
Originally Posted by bond32 View Post

I don't think we know for sure, but generally they indicate more or less vcore, vccin, or cache voltage. I'd try increasing one, See if you get the same or different bsod, then move to the next voltage if necessary.
I know the correct voltage for my stable and bsod free system overclocking at 4.6GHz.
Moreover I can tell you when it crashed due to lack of vccin (101), uncore(124) and almost sure vcore (9c).
Now I’m working on 4.7GHz but I think I’ve got tough sucker.
But like I said after reboot popup shows different code than blue screen.
Let say:
- bsod on blue screen 0x00000000101
- I press reset switch to reboot system after crash due to bsod 101 and then after logging into the windows, popup shows information about crashing system bsod code 0x00000000124)
doh.gif
post #8884 of 19540
Quote:
this is why I have some questions towards why a 1:1 ratio isn't worth it, but now it makes sense since like you said I wouldn't know what the causes are between uncore being unstable, core or Voltage. And the likely hood of having 1:1 ratio is also very slim.

Uncore being worthless is a seperate deal.

Only clock one thing at a time, period, so you know what's stable/unstable if/when there are problems - the fact that uncore hardly gives any performance is an afterthought anyway. Even if it gave 10% extra performance, we'd still leave it at 33x while clocking core, if you could validate core stability with uncore down in the same way that you can now


Quote:
Originally Posted by darkadi View Post

I know the correct voltage for my stable and bsod free system overclocking at 4.6GHz.
Moreover I can tell you when it crashed due to lack of vccin (101), uncore(124) and almost sure vcore (9c).
Now I’m working on 4.7GHz but I think I’ve got tough sucker.
But like I said after reboot popup shows different code than blue screen.
Let say:
- bsod on blue screen 0x00000000101
- I press reset switch to reboot system after crash due to bsod 101 and then after logging into the windows, popup shows information about crashing system bsod code 0x00000000124)
doh.gif

I get what you are describing, but 101 is not always VRIN. Like i said - just throw vcore at it, see what happens - ESPECIALLY if 124's are being reported. I mean, if your uncore is at 33x/1.15, it should never throw 124's, that should only be lack of vcore - which can also throw 101 too.
Edited by Cyro999 - 1/22/14 at 10:19am
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post #8885 of 19540
Quote:
Originally Posted by Cyro999 View Post

Uncore being worthless is a seperate deal.

Only clock one thing at a time, period, so you know what's stable/unstable if/when there are problems - the fact that uncore hardly gives any performance is an afterthought anyway. Even if it gave 10% extra performance, we'd still leave it at 33x while clocking core, if you could validate core stability with uncore down in the same way that you can now
I get what you are describing, but 101 is not always VRIN. Like i said - just throw vcore at it, see what happens - ESPECIALLY if 124's are being reported. I mean, if your uncore is at 33x/1.15, it should never throw 124's, that should only be lack of vcore - which can also throw 101 too.

aight so il just put uncore at 33,34 for now and just get the core clock up until it crashes which than il need to add the some vcore
post #8886 of 19540
lol so I started clocking with some seriously awesome results biggrin.gif and then my Water 3.0 Extreme decided I don't need to clock or even run a clc frown.gif
It started dying, pump was making the most gruesome sound and then temps started climbing dramatically. Meh mad.gif
    
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post #8887 of 19540
New to the thread. Hi!

core multi: 47
core v: 1.382
cache: 34
cache v: auto
ram is auto
Asus z87-a

It passed a run of x264. Tried again and it kept throwing 0x101s. I up the corev. Try again. 0x9c. I up the System agent offset (that is qpi or vtt for this model?) the 9cs stop. Goes back to bsod 101 over and over and over up to 1.396 where the thermals are iffy. Feels like I should be trying something else, but I'm not sure of what since I'm new at this.

Any advice?
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post #8888 of 19540
Quote:
Originally Posted by Inons View Post

New to the thread. Hi!

core multi: 47
core v: 1.382
cache: 34
cache v: auto
ram is auto
Asus z87-a

It passed a run of x264. Tried again and it kept throwing 0x101s. I up the corev. Try again. 0x9c. I up the System agent offset (that is qpi or vtt for this model?) the 9cs stop. Goes back to bsod 101 over and over and over up to 1.396 where the thermals are iffy. Feels like I should be trying something else, but I'm not sure of what since I'm new at this.

Any advice?

I would advise that you go through the pages of this thread, there is a bunch of useful information in here....thumb.gif
post #8889 of 19540
Quote:
Originally Posted by Inons View Post

New to the thread. Hi!

core multi: 47
core v: 1.382
cache: 34
cache v: auto
ram is auto
Asus z87-a

It passed a run of x264. Tried again and it kept throwing 0x101s. I up the corev. Try again. 0x9c. I up the System agent offset (that is qpi or vtt for this model?) the 9cs stop. Goes back to bsod 101 over and over and over up to 1.396 where the thermals are iffy. Feels like I should be trying something else, but I'm not sure of what since I'm new at this.

Any advice?

You are required to manually set the VRIN (asus calls it VCCIN) and VRIN llc (vccin llc?) which is the second most important voltage for haswell. Try 2.05 with max llc.
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post #8890 of 19540
You're absolutely correct in that there is a lot of useful information in this thread, which is why I've been reading it for the past three days before asking anything. who-let-rip-smiley.png

I've tried input voltages and manual cache voltage settings. I didn't go that high with cpu input was about to do that now. I was seeing better x264 performance (longer runs) to a certain point by upping vcore then it took a dive.

Going to give that input another shot. Thank you. thumb.gif

edit: llc is set to 8 (highest)
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