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Haswell Overclocking Guide [With Statistics] - Page 644

post #6431 of 19539
Nice chip! Also same VID as mine. I reckon maybe a potential 5 giggles on that one!
post #6432 of 19539
Not a bad chip no, I was already accepting that I would have a crap one and had to run at 4.2 or something. But this was as great surprise.

I will try to lower the Cache Voltage this weekend and set it to adaptive as well smile.gif

(I mostly use the CPU for gaming and 3D/2D/Programing so I won't push it more than 4.4 Ghz for now, it's a good spot $/Performance/Heat)
    
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post #6433 of 19539
Quote:
Originally Posted by blaze2210 View Post

Granted, but that doesn't detract from the usefulness of those code explanations....

Yes it does, that chart has been around since i was overclocking my i7 950. It's borderline worthless for Haswell and from my experience i'd say 95% his problem is VRIN.
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post #6434 of 19539
Quote:
Originally Posted by jak3z View Post

Hi all, just got my hands onto a 4770K and a Maximus VI Hero, and I could not resist to do some OC of course.
As per requested:
Username: jak3z
CPU Model: 4770K
Core Multiplier: 44
CPU VID: 1.136V
Vcore: 1.145V (IXTU)
Input Voltage: 1.9V
Uncore Multiplier: 44
Uncore Voltage: 1.250V
Cooling Solution: Thermalright Archon
Stability Test: IXTU 9 Hours+
Batch Number: 315 MAL
Ram Speed: 1600Mhz 9-9-9-24-1T 1.5V

(Stock VCore is 1.008V)

ixtu9hours.jpg 163k .jpg file

1.14vcore is pretty damn freezing, any reason you're using 1.9 vrin or 1.25 ring though? I don't think there's anything official here, but i kept ring voltage at or below vcore before. Going 1:1 isn't worth it - if you really care about performance, overvolting the RAM that you already have will give you more performance than going 34x to 44x uncore probably. It might be perfectly safe, and probably is, but is just weird - adding 100mhz on the core and leaving uncore at 34x or 40x would use less power, be cooler, and perform better. As for VRIN - i'd set llc and set it to ~1.75 at that kind of low vcore
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post #6435 of 19539
I work like 13 hours a day, so for the time being I'm using the "Start From" method. I setup a probably secure-high value and if it works and it's stable I try to decrease it, I will do so this weekend. As for RAM, I did some overclocking to it, but this kit is horrible for OCing, .1.65V I can do 1866Mhz at CL10, but I think that this just needs more voltage. I will try giving it 1.7v (should be safe).
    
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post #6436 of 19539
Quote:
Originally Posted by Doug2507 View Post

I'd be inclined to start by raising vrin, 1.9vrin seems a touch low for 1.37vcore going by previous experiences in this thread.

Thanks; that seems like the right path.
Quote:
Originally Posted by Forceman View Post

That's what I'd do. The only time I've ever seen a 101 it was from VRIN being too low, and I could reproduce it by lowering VRIN purposely below what I needed for stability. Not that it can't be Vcore or Vring, but I think it is more likely VRIN.

Awesome possum. Thank you.
Quote:
Originally Posted by Cyro999 View Post

Yes it does, that chart has been around since i was overclocking my i7 950. It's borderline worthless for Haswell and from my experience i'd say 95% his problem is VRIN.

Thanks; it looks like we're reaching a consensus here about VRIN. If I don't post back in a while, you'll know that it was VRIN, lol. biggrin.gif Actually, it might take a few weeks to expose the problem again, so, uh, I will check back in a few weeks anyways, lol.
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post #6437 of 19539
Cool, keep us posted man. Whatever it is it sounds like it just needs a small tweak to sort it out. thumb.gif
post #6438 of 19539
Quote:
Originally Posted by ikjadoon View Post

Argh, this is crazy. I've been stable for weeks. I even ran AIDA64 two nights ago for validation:

45x with 40x uncore
1.370V Vcore with 1.200V VRING + 1.900V VRIN
AIDA64 for 13 hours; average load temp was 64C and max was 84C (75% of the time, it was below 68C)

Today, I played BF4 for about 5 hours (like most days these past month, lol) and got a 101 BSOD (my first BSOD in weeks!). Wuuuuuuuuuuuuut. From looking at the thread, the general consensus is that VRIN causes 101? I bumped VRIN to 1.950V, so we'll see.

But maybe it's Vcore. Anybody gotten and solved a 101 BSOD?

This is why I think stress testing for too long is pointless now. I don't know but it seem these tests are less reliable now, or it is just me. Best test is and will be to use the computer.
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post #6439 of 19539
Quote:
Originally Posted by Cyro999 View Post

1.14vcore is pretty damn freezing, any reason you're using 1.9 vrin or 1.25 ring though? I don't think there's anything official here, but i kept ring voltage at or below vcore before. Going 1:1 isn't worth it - if you really care about performance, overvolting the RAM that you already have will give you more performance than going 34x to 44x uncore probably. It might be perfectly safe, and probably is, but is just weird - adding 100mhz on the core and leaving uncore at 34x or 40x would use less power, be cooler, and perform better. As for VRIN - i'd set llc and set it to ~1.75 at that kind of low vcore

while you are correct that 1.9 vrin is high for the voltage he is running, running vring higher than vcoro makes no difference.

I have run 1:1 my current 47/47 and since I see this spread all over so much, I figured perhaps if I drop the uncore I could run a higher oc or atleast lower my voltage.

end result: neither, its exactly the same. more misinfo. perhaps it makes a difference when heat is the limiting factor or something and u need a few extra degrees but other than that it creates no limit. this has been the case on both my chips.
post #6440 of 19539
Quote:
Originally Posted by ikjadoon View Post

Argh, this is crazy. I've been stable for weeks. I even ran AIDA64 two nights ago for validation:

45x with 40x uncore
1.370V Vcore with 1.200V VRING + 1.900V VRIN
AIDA64 for 13 hours; average load temp was 64C and max was 84C (75% of the time, it was below 68C)

Today, I played BF4 for about 5 hours (like most days these past month, lol) and got a 101 BSOD (my first BSOD in weeks!). Wuuuuuuuuuuuuut. From looking at the thread, the general consensus is that VRIN causes 101? I bumped VRIN to 1.950V, so we'll see.

But maybe it's Vcore. Anybody gotten and solved a 101 BSOD?

Good to see more and more people coming in and saying BF4 is more demanding that your usual stress tests people advocate all the time. I think it's been said but I still confuse the terms people use, but I believe 101 is related to CPU Input Voltage.

I'm playing BF4 @ x45 1.32v as I got a 124 BSOD at 1.31v. Cache @ x39 1.17v (all set to Auto). Input Voltage on 1.82v (SVID ON = 1.82v for me).
Quote:
Originally Posted by Shanenanigans View Post

That's really weird. I use Balanced, customized for my liking with the sleep and display off times and such, but there's no impact on SSD performance for me. And I leave all the C-States at auto and force C6/C7 on. You should check out the advanced settings. There might be something there that can help you.

Yeap, I found it odd too. I was a firm believer that C states and Balanced mode didn't have this impact anymore on 4K QD1 reads but all benches tell me otherwise now. Something has changed and it really could just be my aging M4s. I 1st noticed it because people were getting vehicles before me in BF4 even though I've got RAID0!! lol. NOTE: RAID0 does not improve 4K QD1 reads nor read access time, everything else improves but as people know; the 2 things I listed are the most important.
Edited by error-id10t - 12/4/13 at 3:53pm
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