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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 626

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Poll expired: Oct 17, 2012  
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post #6251 of 9531
Quote:
Originally Posted by inedenimadam View Post


WOW thats a great video
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post #6252 of 9531
Quote:
Originally Posted by Lucky 23 View Post

WOW thats a great video

That's Sin0822 for ya
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post #6253 of 9531
Quote:
Originally Posted by kennyparker1337 View Post

Warning: Spoiler! (Click to show)
Sorry for the confusion. Here is my reasoning.

I'm talking about the Extreme4 and LLC 3 settings...
Also, 1.000v = 1000mv.


Sin set the BIOS to 1.300v and tested each LLC setting for the Extreme4 and 6.
On the E4 with LLC 3, the difference between what was set in the BIOS and what the DMM read was +4mv for Idle and -4mv for Load.
4mv or 0.004v amounts to almost no difference.
That means if you use LLC 3, whatever you set in the BIOS should be what is actually given to the CPU.

Now CPUz will report these voltages lower than what they are, but you should go according to BIOS settings and not CPUz read out.
If you want to tell what the real voltage is for CPUz then subtract 50mv from the Load reading and 25mv from the Idle reading.

Granted each board might be a tiny, tiny bit different on the voltage but each board is fitted with the same hardware and should act the same.
Now on the Extreme6 you notice the same behavior on the LLC 2 and LLC 3 settings which is why I recommend those.

LLC 1 over volts it, sometimes by a lot, and LLC 4, 5 under volts it (according to what you set in BIOS).

Note: The CPUz issues only occur with the Z77 Extreme4 and Z77 Extreme6. All other boards have different hardware and are not affected (according to Sin0882 and hardware specs listed by ASRock).

Another Note: This issues are caused the motherboard hardware and so a software fix is not possible. Another words, don't try a new version of CPUz or another program.


edit: I'm going to be adding in a warning section about CPUz software voltage reading on the Z77 E4 and E6.


Note that the Pro3 does overvolt as well, though maybe not as much as the Extreme4:
http://www.overclock.net/t/1360404/asrock-z77-extreme-4-vcore-reading/280#post_19650472




The Pro3 does not have a fixed voltage setting, so you can only set the Vcore via offset. Also, there is a BIOS bug(?) where there is less Vcore provided while being in the BIOS compared to what is provided when idling or under load in Windows, so you cannot rely on the BIOS reading in the hardware monitor tab at all.
Your only chance to know the Vcore is via CPU-Z (or similar tools), but as seen above, this measuremt still underestimates the real voltage.
post #6254 of 9531
There is a separate thread on this E4E6 issue. ChronicFx has been on that quite a bit, as has Sin082.
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post #6255 of 9531
Quote:
Originally Posted by Jpmboy View Post

There is a separate thread on this E4E6 issue. ChronicFx has been on that quite a bit, as has Sin082.
Jep, I've linked it in my previous post.
post #6256 of 9531
Quote:
Originally Posted by spoonium View Post

Jep, I've linked it in my previous post.

Yeah - that one! smile.gif
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post #6257 of 9531
Quote:
Originally Posted by kennyparker1337 View Post

Quote:
Originally Posted by inedenimadam View Post

Quote:
Originally Posted by kennyparker1337 View Post

You don't even need a DMM. As long as you use only Level 3, it will be like any other board for voltage output.

Kenny, I don't believe that is solid advice. Surely I am not the one breaking this news to you? The extreme4 and extreme6 both have an issue where the voltage is reported way lower that it actually is, and not just a little bit either. The error scales larger with voltage and LLC, but every LLC does it. This was shown to be true by Sin0822, and also tested true on my board with a DMM, as well as a few other people on the forums here with these boards and a DMM.
http://www.youtube.com/watch?feature=player_embedded&v=oB0dm2-nfpc

Sorry for the confusion. Here is my reasoning.

I'm talking about the Extreme4 and LLC 3 settings...
Also, 1.000v = 1000mv.


Sin set the BIOS to 1.300v and tested each LLC setting for the Extreme4 and 6.
On the E4 with LLC 3, the difference between what was set in the BIOS and what the DMM read was +4mv for Idle and -4mv for Load.
4mv or 0.004v amounts to almost no difference.
That means if you use LLC 3, whatever you set in the BIOS should be what is actually given to the CPU.

Now CPUz will report these voltages lower than what they are, but you should go according to BIOS settings and not CPUz read out.
If you want to tell what the real voltage is for CPUz then subtract 50mv from the Load reading and 25mv from the Idle reading.

Granted each board might be a tiny, tiny bit different on the voltage but each board is fitted with the same hardware and should act the same.
Now on the Extreme6 you notice the same behavior on the LLC 2 and LLC 3 settings which is why I recommend those.

LLC 1 over volts it, sometimes by a lot, and LLC 4, 5 under volts it (according to what you set in BIOS).

Note: The CPUz issues only occur with the Z77 Extreme4 and Z77 Extreme6. All other boards have different hardware and are not affected (according to Sin0882 and hardware specs listed by ASRock).

Another Note: This issues are caused the motherboard hardware and so a software fix is not possible. Another words, don't try a new version of CPUz or another program.


edit: I'm going to be adding in a warning section about CPUz software voltage reading on the Z77 E4 and E6.


After reviewing some of my measurements that I made a while back when this problem was first shown to me, I have to take my words back. You are correct. LLC3 is the least overvolting of the LLC's, with only .036 varriance. It is by no means correct, but is closer by at least a little bit. Here was a test I did a while back, forgive the pen and paper, I am old school and like to have a physical reference.


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post #6258 of 9531
Hi guys. I was hoping that someone could possibly have a quick look at these results of 3570K OC on Asrock Z77 Extreme 4 with CM Hyper 212 Evo. I'm not very good at this so please bear with me smile.gif

I cant get anything above 4.4 (with stock voltage) to stabilize under prime95 test, getting blue screens 5 mins into the test. My temps do not go higher than 85 and average 80 on full load.

When trying 4.6, I have offset at 0.005v and turbo boost at +0.102v and the rest of the settings as per guide on the first page.

Am I doing something wrong or is my chip not capable of faster speeds? Should I start messing around with CPU PLL? Or go even higher with turbo boost? Maybe I should try enabling Internal PLL Overvoltage?


Can you guys suggest anything? Many thanks!


EDIT: OR - perhaps I should be happy with what I've got? OC from 3.4 to 4.6 on a cheap cooler is probably good enough of achievement wink.gif
Edited by eskimore - 5/7/13 at 3:06pm
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post #6259 of 9531
You should probably tell us what your Vcore is under load. Although with 85°C you don't seem to have a lot of headroom to go any higher without a better cooling solution. If that's the temp you're getting with 4.6 (not exactly sure if these were for 4.4 on stock or 4.6 with +0.102v).

PLL and PLL Overvoltage may help, although if you're still getting blue screens it's most likely either Vcore or less likely VTT. Which error code(s) are these? 0x101 and 0x124 is almost 100% not enough Vcore.
post #6260 of 9531
Quote:
Originally Posted by eskimore View Post

Hi guys. I was hoping that someone could possibly have a quick look at these results of 3570K OC on Asrock Z77 Extreme 4 with CM Hyper 212 Evo. I'm not very good at this so please bear with me smile.gif

I cant get anything above 4.4 (with stock voltage) to stabilize under prime95 test, getting blue screens 5 mins into the test. My temps do not go higher than 85 and average 80 on full load.

When trying 4.6, I have offset at 0.005v and turbo boost at +0.102v and the rest of the settings as per guide on the first page.

Am I doing something wrong or is my chip not capable of faster speeds? Should I start messing around with CPU PLL? Or go even higher with turbo boost? Maybe I should try enabling Internal PLL Overvoltage?


Can you guys suggest anything? Many thanks!


EDIT: OR - perhaps I should be happy with what I've got? OC from 3.4 to 4.6 on a cheap cooler is probably good enough of achievement wink.gif

Have same CPU/mobo and cooler and i found a very stable setting on 4.5 w/ offset at .005 turbo less then +.1xx(think in the .07x.... I dont remember exactly the value but I have it saved under a profile.


I havent messed with overvoltage but my CPU PLL is at the lowest @ 1.709 which helps the temps.

Im currently stable on 4.6 with offset @ -.005v and turbo at +1.117v. I got as far as 4.7 but get a stupid single WHEA 5+ hours into the prime test and have yet found a vcore that will take the WHEA away. If i wanted to, i could just leave it at 4.7 cuz honestly i wouldnt even be pushing my computer as much as prime does but eh redface.gif
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CPUMotherboardGraphicsRAM
i5 3570K AsRock Z77 Extreme 4 Sapphire VaporX HD 7970 GHZ Edition Crucial Ballistic Sports CL9 16GB (4GB x 4) 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 830 128GB SSD (os) Samsung 840 120GB SSD Seagate 3TB 7200RPM HDD LG DVD OEM Writer 
CoolingOSMonitorMonitor
Hyper 212 EVO Windows 8 Dell 24" S2440L BenQ RL2450HT 
KeyboardPowerCaseMouse
Microsoft X4 Sidewinder Thermaltake SMART 850W Modular NZXT Phantom 410 Mid-Tower Logitech G400s 
Mouse PadAudio
XTRAC Ripper XXL  Klipsch Promedia 2.1 
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3570K Rig
(18 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570K AsRock Z77 Extreme 4 Sapphire VaporX HD 7970 GHZ Edition Crucial Ballistic Sports CL9 16GB (4GB x 4) 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 830 128GB SSD (os) Samsung 840 120GB SSD Seagate 3TB 7200RPM HDD LG DVD OEM Writer 
CoolingOSMonitorMonitor
Hyper 212 EVO Windows 8 Dell 24" S2440L BenQ RL2450HT 
KeyboardPowerCaseMouse
Microsoft X4 Sidewinder Thermaltake SMART 850W Modular NZXT Phantom 410 Mid-Tower Logitech G400s 
Mouse PadAudio
XTRAC Ripper XXL  Klipsch Promedia 2.1 
  hide details  
Reply
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