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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 198

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post #1971 of 9460
Did you run P95? All CPU's are different, settings that one member used could be stable for their comp but most likely wont be stable for yours. You will have to find the setting that are stable for you comp through stress testing

You can always post up your bios screenshots by formatting a USB drive in FAT32 and then hitting F12 in bios
Edited by Lucky 23 - 11/13/12 at 12:33pm
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post #1972 of 9460
I did not run any test's because i am not really sure where to start and what values to change...and what program should i use to run these tests?
Please helpppp doh.gif
post #1973 of 9460
Quote:
Originally Posted by El3ctronicPunk View Post

I did not run any test's because i am not really sure where to start and what values to change...and what program should i use to run these tests?
Please helpppp doh.gif

A good place to start would be the op (original post). It's a very detailed and thorough walkthrough on what programs you need and how to use them.

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post #1974 of 9460
Quote:
Originally Posted by El3ctronicPunk View Post

I did not run any test's because i am not really sure where to start and what values to change...and what program should i use to run these tests?
Please helpppp doh.gif

Your going to need to read the first page and read other tutorials on the internet so you understand what your doing. There is a lot more to overclocking then just typing in some settings.
You will need Prime 95, CPU-z, Realtemp or Core temp
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post #1975 of 9460
Hello guys,

i overclocked my i5 2500k sandy bridge on an ASRock Z68 Pro3 to 4,5GHZ. My settings are the following:

CPU Configuration:
Ratio: 45x
(all other settings like in the guide on page 1)

Voltage Configuration:
Core Voltage: Offset Mode
Offset: -0.050V
Load Line Calibration: Level 5


The core voltage is between 1.216V and 1.224V and the temps are around 60C (+- 5C). After about 14-15 tests in prime worker 3 stops working. Should I change the LLC to level 3 or 4 and adjust the offset to that? Or what can I do to stablize the system? What do you think?

Greetings,

Dimi


Edit: I changed LLC to level 3 and offset to -0.100V. Passed the 1 hour p95 test. Do you think the temps are too high?

Screenshot:
th_909414654_oc3_122_185lo.jpg
Edited by dimi1606 - 11/14/12 at 8:15am
post #1976 of 9460
I would set your LLC level at either 1,2, or 3.

Why are you increasing your negative offset after P95 failed. Your probably going to need increase vcore for it to be stable. Mine for example is running a +0.015 offset, LLC level 3, w/ 1.296-1.31 in CPU-z at full load. That vcore looks pretty low for a 45 multi. What offset did you start at? +0.005 like the guide?
Edited by Lucky 23 - 11/14/12 at 10:57am
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post #1977 of 9460
Quote:
Originally Posted by Lucky 23 View Post

I would set your LLC level at either 1,2, or 3.
Why are you increasing your negative offset after P95 failed. Your probably going to need increase vcore for it to be stable. Mine for example is running a +0.015 offset, LLC level 3, w/ 1.296-1.31 in CPU-z at full load. That vcore looks pretty low for a 45 multi. What offset did you start at? +0.005 like the guide?


Well, not exactly. Before I started, I took a look in cpu-zand ran a p95 with bios defaults. The vcore was at 1.294V - 1.3xx V under load and 1.1xx in idle. I dont remember the exact numbers. But it seemed pretty high for auto settings. And when I read about OC in this thread and some others on the net, there were many screenshots of people running 4GHZ+ with those voltages. So I was curious and wanted to know if the CPU will run with lower voltages at this speed. So I switched to offset mode and changed it to -0.050V . I ran p95 for about 4 hours without any problems. So I started increasing the multiplier until i didnt pass 10 minuts of p95. That was at 45x. When I changed the LLC to level 3 the vcore was at 1.34x and the temps were around 73C. So I changed the offset again.
My problem is: I dont want to have too high vcore because of the temps (my cooler is a scythe mugen 3.. dont know if the temps are ok for that cooler). I just updated to UEFI 2.10 yester and I cant see the vcore in my bios settings - it used to be right beside the offset in the old version. Where can I find it now?frown.gif

So, if I changed to a positive offset like +0.005V, which LLC should I use? And is there a way to lower the vcore without using a negative offset?
post #1978 of 9460
Quote:
Originally Posted by dimi1606 View Post

Well, not exactly. Before I started, I took a look in cpu-zand ran a p95 with bios defaults. The vcore was at 1.294V - 1.3xx V under load and 1.1xx in idle. I dont remember the exact numbers. But it seemed pretty high for auto settings. And when I read about OC in this thread and some others on the net, there were many screenshots of people running 4GHZ+ with those voltages. So I was curious and wanted to know if the CPU will run with lower voltages at this speed. So I switched to offset mode and changed it to -0.050V . I ran p95 for about 4 hours without any problems. So I started increasing the multiplier until i didnt pass 10 minuts of p95. That was at 45x. When I changed the LLC to level 3 the vcore was at 1.34x and the temps were around 73C. So I changed the offset again.
My problem is: I dont want to have too high vcore because of the temps (my cooler is a scythe mugen 3.. dont know if the temps are ok for that cooler). I just updated to UEFI 2.10 yester and I cant see the vcore in my bios settings - it used to be right beside the offset in the old version. Where can I find it now?frown.gif
So, if I changed to a positive offset like +0.005V, which LLC should I use? And is there a way to lower the vcore without using a negative offset?

Well 1.32v is not very high, when you get into the 1.4v+ ranges is when you want to be a little more cautious. People are probably running that vcore w/ a 4ghz overclock (40 multi) but your running a 45 multi so you will most likely need to increase vcore or decrease your multi.

The original bios did display the vcore next to the offset but the newer bios dont for what ever reason.

I'm running a Scythe mugen 2 and after 8hrs of P95 w/ a 45multi and 1.31v i hit a max temp of around 76c or so. You are looking fine on temps currently but your not stable so they will probably change.

If your going to run a 45 multi then i would start at a +0.005 offset. When I'm overclocking i like to keep track of the changes so i take a piece of paper and write down the offset, cpu-z vcore(idle/full load), max temps, and usually take note to how long p95 lasted. Then after P95 fails, i write underneath this the new settings im using, otherwise you will forget what you changed previously and it will make it harder (IMO) to determine why its unstable. I also write down current vcore (idle/full load) at stock that way you can see how much it has increase/decreased by.

You lower the vcore by using a changing the offset but Offset changes your idle & full load vcore, so you cant go set too low of an offset because it could cause instability at idle.

I currently use LLC level 3
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post #1979 of 9460
Quote:
Originally Posted by Lucky 23 View Post

Well 1.32v is not very high, when you get into the 1.4v+ ranges is when you want to be a little more cautious. People are probably running that vcore w/ a 4ghz overclock (40 multi) but your running a 45 multi so you will most likely need to increase vcore or decrease your multi.
The original bios did display the vcore next to the offset but the newer bios dont for what ever reason.
I'm running a Scythe mugen 2 and after 8hrs of P95 w/ a 45multi and 1.31v i hit a max temp of around 76c or so. You are looking fine on temps currently but your not stable so they will probably change.
If your going to run a 45 multi then i would start at a +0.005 offset. When I'm overclocking i like to keep track of the changes so i take a piece of paper and write down the offset, cpu-z vcore(idle/full load), max temps, and usually take note to how long p95 lasted. Then after P95 fails, i write underneath this the new settings im using, otherwise you will forget what you changed previously and it will make it harder (IMO) to determine why its unstable. I also write down current vcore (idle/full load) at stock that way you can see how much it has increase/decreased by.
You lower the vcore by using a changing the offset but Offset changes your idle & full load vcore, so you cant go set too low of an offset because it could cause instability at idle.
I currently use LLC level 3

Keeping track of it sounds reasonable. Im gonna do that, too.
So I changed to offset +0.005V and LLC level 3. 5 minutes of p95 gave me 78C already and the temps were jumping up and down more than usual:

th_924638999_oc4_122_148lo.jpg

The vcore was between 1.320V and 1.336V. I think my CPU will exceed the 80C with this settings. What should I do? I mean, I dont think that the vcore is too low for 45x, but I think my cooler wont handle it.
post #1980 of 9460
Quote:
Originally Posted by dimi1606 View Post

Keeping track of it sounds reasonable. Im gonna do that, too.
So I changed to offset +0.005V and LLC level 3. 5 minutes of p95 gave me 78C already and the temps were jumping up and down more than usual:
th_924638999_oc4_122_148lo.jpg
The vcore was between 1.320V and 1.336V. I think my CPU will exceed the 80C with this settings. What should I do? I mean, I dont think that the vcore is too low for 45x, but I think my cooler wont handle it.

Ok well this was just a starting point and that vcore is little high. So you can try to get it stable at a lower vcore but there is no guarantee what your offset you will end up at, its kind of trial and error. I would try a -0.015 offset which should put your full load around 1.31 or so. Run P95 either on Small FFT or custom blend w/ your ram like whats stated on the first page.

Take note of idle/full load vcore, temps, how long p95 lasts then post back here. If it lasts an hour then you can probably knock it down to a -0.020 but im not sure how low you can go w/out making your idle voltage unstable. So post up your cpu-z idle vcore also

Eventually when you have a good idea of the correct offset you will want to run p95 for 6+ hours.

If you get a chance take screen shots of your bios. Format the flashdrive to fat32, then restart into bios and hit F12. I and other members can look at it and make sure everythings set up right so you dont waste your time doing runs on P95.
Edited by Lucky 23 - 11/14/12 at 2:41pm
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I7 6700K @ 4.5ghz  Gigabyte Z170x Gaming 6 XFX R9 290x 8GB XFX R9 290x 8GB 
RAMHard DriveHard DriveCooling
Gskill RipJaws V 16GB 3000mhz Samsung 850 EVO 250GB Seagate Barracuda 2TB EK-Supremacy EVO CPU Water Block 
CoolingCoolingCoolingCooling
EK R9 290X GPU Waterblocks EK-XRES 140 Revo D5 PWM Pump Alphacool NexXxoS 360mm ST30 Alphacool NexXxoS 240mm ST30 
CoolingCoolingOSMonitor
Alphacool NexXxoS 120mm ST30 Cooler Master Jetflo 120mm Fans Windows 10  LG 34UC88 
KeyboardPowerCaseMouse
Quickfire TK red switch Cooler Master V1000 MasterCase Pro 5 CM Storm Havoc 
CPUMotherboardGraphicsGraphics
I5 2500K @ 4.6ghz  ASRock Z68 Extreme 3 Gen 3 ASUS 7870 Ghz Edition ASUS 7870 Ghz Edition 
RAMHard DriveHard DriveOptical Drive
Gskill RipJaws X 16GB 1600mhz Seagate 2TB Seagate 320GB ASUS Burner 
CoolingCoolingCoolingOS
Cooler Master Eisberg 240L + 120mm Rad Koolance 3/8 x 1/2 Compression Fittings PrimoChill Advanced LRT Windows 7  
OSMonitorKeyboardPower
Ubuntu 12.04 ASUS 24" Cooler Master Quickfire TK  Cooler Master V1000 
CaseMouse
Cooler Master HAF 932 Black Edition Cooler Master Havoc 
CPUGraphicsRAMHard Drive
i5-3210M  Intel HD Graphics 4000 Gskill 16GB 1600mhz  Crucial MX200 256GB 
Hard DriveOSOSMonitor
Seagate 320GB Ubuntu 16.04 Windows 10 1600x900 
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Z170 Build
(20 items)
 
Z68 Build
(20 items)
 
Lenovo T430
(14 items)
 
CPUMotherboardGraphicsGraphics
I7 6700K @ 4.5ghz  Gigabyte Z170x Gaming 6 XFX R9 290x 8GB XFX R9 290x 8GB 
RAMHard DriveHard DriveCooling
Gskill RipJaws V 16GB 3000mhz Samsung 850 EVO 250GB Seagate Barracuda 2TB EK-Supremacy EVO CPU Water Block 
CoolingCoolingCoolingCooling
EK R9 290X GPU Waterblocks EK-XRES 140 Revo D5 PWM Pump Alphacool NexXxoS 360mm ST30 Alphacool NexXxoS 240mm ST30 
CoolingCoolingOSMonitor
Alphacool NexXxoS 120mm ST30 Cooler Master Jetflo 120mm Fans Windows 10  LG 34UC88 
KeyboardPowerCaseMouse
Quickfire TK red switch Cooler Master V1000 MasterCase Pro 5 CM Storm Havoc 
CPUMotherboardGraphicsGraphics
I5 2500K @ 4.6ghz  ASRock Z68 Extreme 3 Gen 3 ASUS 7870 Ghz Edition ASUS 7870 Ghz Edition 
RAMHard DriveHard DriveOptical Drive
Gskill RipJaws X 16GB 1600mhz Seagate 2TB Seagate 320GB ASUS Burner 
CoolingCoolingCoolingOS
Cooler Master Eisberg 240L + 120mm Rad Koolance 3/8 x 1/2 Compression Fittings PrimoChill Advanced LRT Windows 7  
OSMonitorKeyboardPower
Ubuntu 12.04 ASUS 24" Cooler Master Quickfire TK  Cooler Master V1000 
CaseMouse
Cooler Master HAF 932 Black Edition Cooler Master Havoc 
CPUGraphicsRAMHard Drive
i5-3210M  Intel HD Graphics 4000 Gskill 16GB 1600mhz  Crucial MX200 256GB 
Hard DriveOSOSMonitor
Seagate 320GB Ubuntu 16.04 Windows 10 1600x900 
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