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Ivy Bridge Overclocking Guide ► Asus Motherboards - Page 36

post #351 of 7032
Never mind I figured it out. I just subtracted my VID from my vCore and got 0.039 so I put 0.040 as my offset voltage. (1.265 - 1.2260 = 0.039 = 0.040)

I am once again running Prime95 with custom blend.

FFT 128K (MIN + MAX) for 10 minutes

So far so good. I will let you guys know how my temperatures and stability is after 5-6 hours of Prime.

By the way Im doing a 4.6ghz overclock on a 3770k with the H100 in push.
post #352 of 7032
Thread Starter 
Quote:
Originally Posted by vipergtspa View Post

Quote:
Originally Posted by Swag View Post

Ok, what's your VID?

VID 1.2760V while running prime 95 and 1.2860V when its off.

Listen the the prime95 VID.
Quote:
Originally Posted by Tulion View Post

Hey, I'm currently following this guide to the "T" - so first off thanks!

I'm currently stress testing a 48 multi - having started from 42, I've yet to touch the voltage outside of the original changes in the BIOS.

I'm currently showing Temps of 75-86-87-79
CPU-Z "Core Voltage" of 1.520


3570k, z77 Asus V-Pro, H100 Push

- Should I keep bumping up the multi until errors?
- If I manage to reach 5.0, or any decent OC really - How would I go about attempting to test with a lower voltage for 24/7 use?

Edit: 4.8G passed @ said temps / voltage - attempting 4.9?

49 multi = 82 - 89 - 87 - 78 temps "Core Voltage" of 1.52

Ok! Turn off now! First of all, when I meant to use auto, I meant 42x because it doesn't scale as much. The higher you go, the more voltage, I'd stop now and go to a safe voltage. Safe voltage for Ivy is 1.375 - 1.400 max okay? 1.52vcore for a prolonged time would cause damage to it because that is waaaaaaaaaay up there.

Quote:
Originally Posted by CBZ323 View Post

Im currently at 4.6 with 1.28 and torture test such as IBT work fine. However, games and Prime 95 crash (in windows, as in an unexpected error has occurred). Is that due to the OC. It didnt happen before. My temps are in the high 60's low 70's at the most.

It is unstable, when checking stability, use prime95. Re evaluate your OC and try new voltages with prime95 as your stress-tester.
Quote:
Originally Posted by midniteboss View Post

My VID is 1.2260 and my voltage is 1.265 in the bios.

Been running Prime95 custom blend tests with 128k FFT minimum and maximum for over an hour now with a manual voltage and no errors.

Given my VID and core voltage, how would I figure out the offset voltage that I would need to you use?


3770k w/H100 in Push
Highest temperatures @4.6 after 1 hour and 20 minutes with the custom blend test with1.265v are 78 - 83 - 78 - 79

Vcore - Vvid = Voffset tongue.gif
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post #353 of 7032
VID 1.2760V
post #354 of 7032
Thread Starter 
Quote:
Originally Posted by vipergtspa View Post

VID 1.2760V

Vcore - Vvid = Voffset

1.270 - 1.2760 = -0.0060
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post #355 of 7032
Quote:
Originally Posted by Swag View Post

Vcore - Vvid = Voffset
1.270 - 1.2760 = -0.0060

Thanks

I will test that out.

I had a question as well, if using turbo mode for the multipler I will allways have to disable the CPU loadline and if using fixed mode it can be enabled, regardless of Vcore setting ?
post #356 of 7032
Thread Starter 
Quote:
Originally Posted by vipergtspa View Post

Quote:
Originally Posted by Swag View Post

Vcore - Vvid = Voffset
1.270 - 1.2760 = -0.0060

Thanks

I will test that out.

I had a question as well, if using turbo mode for the multipler I will allways have to disable the CPU loadline and if using fixed mode it can be enabled, regardless of Vcore setting ?

LLC should be enabled with offset and could be disabled for manual, but normally disabled for your case.
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post #357 of 7032
Fixed CPU Ratio - Disabled
CPU Ratio
CPU Clock - 10000
CPU C1E - Enabled
Enhanced Intel Speedstep Technology - Enabled
Internal PLL Override - Enabled

CPU Turbo Mode - Enabled
1.Core Ratio Limit - 45
2.Core Ratio Limit - 45
3.Core Ratio Limit - 45
4.Core Ratio Limit - 45

CPU Vcore Mode - Offset Mode
CPU Vcore Offset - +0.060V
CPU Vcore Fixed - 1.270V
IGD Vcore Mode - Auto
IGD Vcore Offset - +0.000V
IGD Vcore Fixed - 1.250V
CPU Vcore Loadline - Disabled

Active Processor Cores - All
Limit CPUID Maximum - Disabled
Execute Disable Bit - Enabled
Intel Virtualization Technology - Disabled
Hardware Prefetch - Enabled
Adjacent Cache Line Prefetch - Enabled
CPU C3 Report - Disabled
CPU C6 Report - Disabled

I hope that is setup right ? and if so maybe it could help someone else with OC on a Biostar MB.
post #358 of 7032
Thread Starter 
Quote:
Originally Posted by vipergtspa View Post

Fixed CPU Ratio - Disabled
CPU Ratio
CPU Clock - 10000
CPU C1E - Enabled
Enhanced Intel Speedstep Technology - Enabled
Internal PLL Override - Enabled

CPU Turbo Mode - Enabled
1.Core Ratio Limit - 45
2.Core Ratio Limit - 45
3.Core Ratio Limit - 45
4.Core Ratio Limit - 45

CPU Vcore Mode - Offset Mode
CPU Vcore Offset - +0.060V
CPU Vcore Fixed - 1.270V
IGD Vcore Mode - Auto
IGD Vcore Offset - +0.000V
IGD Vcore Fixed - 1.250V
CPU Vcore Loadline - Disabled

Active Processor Cores - All
Limit CPUID Maximum - Disabled
Execute Disable Bit - Enabled
Intel Virtualization Technology - Disabled
Hardware Prefetch - Enabled
Adjacent Cache Line Prefetch - Enabled
CPU C3 Report - Disabled
CPU C6 Report - Disabled

I hope that is setup right ? and if so maybe it could help someone else with OC on a Biostar MB.

Looks good, but I was just wondering, what's CPU-Z say when you put it under load with these settings? It seems that offset looks off.
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post #359 of 7032
Quote:
Originally Posted by Swag View Post

Looks good, but I was just wondering, what's CPU-Z say when you put it under load with these settings? It seems that offset looks off.

Yeah it was off, I was getting 1.34V during testing.

I think I may have misunderstood you on Vcore - Vvid = Voffset
1.270 - 1.2760 = -0.0060

Redoing the test now, will let you know how it goes.

Thanks again
Jeff
post #360 of 7032
Thread Starter 
Quote:
Originally Posted by vipergtspa View Post

Quote:
Originally Posted by Swag View Post

Looks good, but I was just wondering, what's CPU-Z say when you put it under load with these settings? It seems that offset looks off.

Yeah it was off, I was getting 1.34V during testing.

I think I may have misunderstood you on Vcore - Vvid = Voffset
1.270 - 1.2760 = -0.0060

Redoing the test now, will let you know how it goes.

Thanks again
Jeff

It would probably be -0.005 because it usually goes in increments of 0.005. Put it in as -0.005 because -0.010 will cause problems.
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