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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 204

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Poll expired: Oct 17, 2012  
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post #2031 of 9460
Quote:
Originally Posted by Jpmboy View Post

With a 2700, that vcore is about right for 45. The next few steps (mV per 100mHz) will tell alot about the chip. My 2700 needs at or above 1.384 for 48 and above, wheras 46 and 47 are 1.328 and 1.352-1.368 for 47. Its non-linear above 45 and PLL gets real important. Wth sandy, the old 40 mV/100mHz guide is pretty close.
With better cooling, you have plenty of room to go with a 2700. Consider prolimtech TIM.

Hello Jpmboy,
Thank you for your reply. I am interested in hitting 47x or 48x. Maybe even 49x... However, my greatest fear is putting too much stress on my CPU right now. At this moment, it's at 45x, hows the voltage and temps? They seem really low. I think, I am barely hitting mid 40s while gaming and under full loads it's at about mid 60s to high 60s at 1.288v.

Should I keep going off this guild to hit 47x, 48x, or even 49x? Though going back to stress levels, is this too much? I do not want to hurt the longevity of my CPU.

If I understand this correctly per the guild.
One should set his cpu multiplier as high as possible without breaking 1.5v. If bsod or error occurs but the PC is NOT at max vcore, increase the turbo boost by 1 without reaching 1.02v or 1.08v [is this information correct?].
If 1.5v is reached , one should decrease the cpu multiplier by one. Then apply the final test of one hour?

If 1.5v has not been reached yet, try increasing turbo boost [without breaking 1.02v or 1.08v, once again is this information correct?] OR increase the PLL by one spot [without breaking these 1.709v or 1.89v]. If it success, increase the cpu multiplier by one without reaching 1.5v of the vcore.

Then repeat until the goal has been reached.

Pre the cooler, I am using H100 with the original thermal paste. Though, I do have arctic silver at my home. What cooler are you referring to? Could you link it please. What's the difference between the two coolers? Also, what do you mean by "it's non-linear above 45"? Do you mean the performance does not increase linearly?
 
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post #2032 of 9460
Quote:
Originally Posted by Wasper View Post

Hi all
I have a problem with:
Overclocking with minimum power.
Set the CPU multiplier to 50. (Unless you got a perfect chip, then the computer will not boot for a couple of these multipliers.)
Set the Offset to +0.005v. Set the Turbo Voltage to +0.004

I have a i5 2500k and asrock z68 pro3. I want to overclock to 4.5k (multiplier 45) but i I can not find the optimal voltage settings for this (in multiplier to 50 with Offset to +0.005v and Turbo Voltage to +0.004 my system is crushed at startup). Unfortunately I do not quite understand how it works offset and ATV. Someone can lay out screenshots of UEFI with correctly settings (offset, ATV and ect.)

Follow the setting on the first page, set you multiplier at 45 and your offset at a +0.005, you can leave turbo on auto unless you want to use both offsets. Then run P95, Keep track of temps, CPU-z Vcore Idle/full load. You can post screen shots of bios here by formatting a flash drive in fat32 and hitting F12 in bios if you have problems
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post #2033 of 9460
Hey there,

Started following this guide... I have an Asrock Z68 extreme 3 gen 3 and the i5 2500k and a coolermaster hyper 212+. Followed all the settings for my bios and have been running the prime95 tests. Although I did however start at x40 (might be stupid I know) So far I'm at x42 and while I think everything is going "ok" can anyone look at the HWMonitor screenshot here and let me know if this is looking good?

I believe CPU VCORE Max is the one I don't want going over 1.5 (although for more of a safety net I plan to only go until it reaches 1.4) As well as temps which I believe I should be watching "Package" which I don't want it to go over 85 as the "optimal" spot (personal safety net of 80 myself though)

Also I'm still on the "starting off" voltages of offset to +0.005v and turbo boost to +0.004v


Edited by Avengersoul - 11/19/12 at 10:45am
post #2034 of 9460
Quote:
Originally Posted by Lucky 23 View Post

Follow the setting on the first page, set you multiplier at 45 and your offset at a +0.005, you can leave turbo on auto unless you want to use both offsets. Then run P95, Keep track of temps, CPU-z Vcore Idle/full load. You can post screen shots of bios here by formatting a flash drive in fat32 and hitting F12 in bios if you have problems
Thanks!
I can run my system in next settings (attached), offset only +0.065 or higer, if lower = system is crushed. I attached cpu-z screen in maximum load of linX 0.6.4. This is normal?



post #2035 of 9460
Quote:
Originally Posted by Wasper View Post

Thanks!
I can run my system in next settings (attached), offset only +0.065 or higer, if lower = system is crushed. I attached cpu-z screen in maximum load of linX 0.6.4. This is normal?




WAAAY too high vcore for 45! You are going to turn that chip into a flash bulb. Back down offset and turbo to 5 and4 mIlli volts positive offset ASAP!

Damn - you're way off the reservation.
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post #2036 of 9460
I have a question. Currently im at 4.0GHz with CPU core voltage set to automatic (pretty sure that means it's not overvolting.) My goal is not to degrade the CPU at all over time as I don't plant on replacing it for at least another 2 years. So should I just set core voltage to offset at 0.05v and just overclock it up or should I expect to see degredation of the CPUs life?

Also I overclocked it to 4.3 without overvolting and it bluescreened some time between 1-3 hours in a prime test.
     
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post #2037 of 9460
Quote:
Originally Posted by Cheeseinat0r View Post

I have a question. Currently im at 4.0GHz with CPU core voltage set to automatic (pretty sure that means it's not overvolting.) My goal is not to degrade the CPU at all over time as I don't plant on replacing it for at least another 2 years. So should I just set core voltage to offset at 0.05v and just overclock it up or should I expect to see degredation of the CPUs life?
Also I overclocked it to 4.3 without overvolting and it bluescreened some time between 1-3 hours in a prime test.
Sandy Bridge chips are rated so that any voltage under 1.4 V is stable.

In short, DO NOT GO OVER 1.4 V FOR A 24/7 COMPUTER, OR A COMPUTER YOU WILL USE A LOT. It will degrade the chip.
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post #2038 of 9460
Quote:
Originally Posted by cam51037 View Post

Sandy Bridge chips are rated so that any voltage under 1.4 V is stable.
In short, DO NOT GO OVER 1.4 V FOR A 24/7 COMPUTER, OR A COMPUTER YOU WILL USE A LOT. It will degrade the chip.

So anything under 1.4 won't degrade the chip at all? I'm not looking for just stable I'm looking for zero-very little degradation.
     
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post #2039 of 9460
Quote:
Originally Posted by Cheeseinat0r View Post

So anything under 1.4 won't degrade the chip at all? I'm not looking for just stable I'm looking for zero-very little degradation.
1.4 V is what people generally say. It's that, sometimes 1.45 V, so anything under 1.4 should be safe 24/7.

Just to be safe on mine, I have it at 1.32 V @ 4.4 GHz, so I have lots of headroom. smile.gif
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Swiftech H320 (CPU only) Windows 7 Ultimate 27" Shimian 1440p Monitor 1000W Corsair PSU 
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800D custom painted and fixed up! 15 year old Microsoft Custom Minecraft Mousepad Logitech 2.1 Speakers (wub wubbity wub wub) 
CPUMotherboardGraphicsRAM
i5 3570k MSI Z68 MA-ED55 MSI GTX 750 Ti 6GB Corsair XMP 
Hard DriveOptical DriveCoolingOS
500GB WD Blue ASUS DVD Burner Hyper 212+ Windows 8.1 
PowerCase
Rosewill HIVE 750W Rosewill Blackbone 
CPUMotherboardGraphicsRAM
AMD Sempron 145 Gigabyte 990FXA-UD3 4x MSI GTX 750 Ti 6 GB Corsair XMP 
Hard DriveCoolingOSMonitor
500 GB Seagate Barracuda Stock Windows 7 LG 20" 900p display 
KeyboardPowerCaseMouse
Dell generic Rosewill HIVE 750W Rosewill Thor V2 Dell generic 
Other
4x USB Powered Risers 
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post #2040 of 9460
wow thanks for the advice really helped me out! Rep+
     
CPUMotherboardGraphicsRAM
i5 2500k @ 4.0ghz Asrock Z68 Extreme 3 Gen 3 Diamond HD 6950 2gb @ 900MHz core 1400MHz mem Gskill Ripjaws 8gb 1600MHz 
Hard DriveOptical DriveCoolingOS
Hitatchi 500gb Liteon DVD 22x Arctic Cooling i30 Windows 7 Home Premium 64-bit 
MonitorKeyboardPowerCase
Acer 23" 1080p 5ms response Adesso MKB-135B Mechanical keyboard hec X-Power Pro 650 Antec Three Hundred 
MouseAudio
Engage Wired Optical Mouse Plantronics Gamecom 780 
CPUMotherboardGraphicsRAM
RP2803 1.79Mhz NES motherboard RP2C02 5.37MHz 2KB onboard RAM 
Optical DriveCaseMouse
Cartridge Reader NES case NES controller 
CPUMotherboardRAMHard Drive
A10 5800k stock Gigabyte A85X Crucial ballistix 8gb @ 1866MHz Western Digital 250gb 
Optical DriveCoolingOSPower
Gateway DVD drive Stock fan Windows 7 Home Premium 64-bit corsair Builder series 430W 
Case
Raidmax Tornado Blue 
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CPUMotherboardGraphicsRAM
i5 2500k @ 4.0ghz Asrock Z68 Extreme 3 Gen 3 Diamond HD 6950 2gb @ 900MHz core 1400MHz mem Gskill Ripjaws 8gb 1600MHz 
Hard DriveOptical DriveCoolingOS
Hitatchi 500gb Liteon DVD 22x Arctic Cooling i30 Windows 7 Home Premium 64-bit 
MonitorKeyboardPowerCase
Acer 23" 1080p 5ms response Adesso MKB-135B Mechanical keyboard hec X-Power Pro 650 Antec Three Hundred 
MouseAudio
Engage Wired Optical Mouse Plantronics Gamecom 780 
CPUMotherboardGraphicsRAM
RP2803 1.79Mhz NES motherboard RP2C02 5.37MHz 2KB onboard RAM 
Optical DriveCaseMouse
Cartridge Reader NES case NES controller 
CPUMotherboardRAMHard Drive
A10 5800k stock Gigabyte A85X Crucial ballistix 8gb @ 1866MHz Western Digital 250gb 
Optical DriveCoolingOSPower
Gateway DVD drive Stock fan Windows 7 Home Premium 64-bit corsair Builder series 430W 
Case
Raidmax Tornado Blue 
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