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i5 760 4.3Ghz

post #1 of 15
Thread Starter 
Hi guys!

Well I've got up my cpu to 4.3ghz, but to reach it, I had to put vcore at 1.37 and enable the LLC (load line calibration)
Do i dare to have LLC on? (Are afraid of so-called "vcore spikes")
I ran 60 minutes occt Linpack, and according to the report the vcore was stable, but it might not be correct?



These are my parts:

I5 760
p7p55d (bios 1807)
Corsair XMS3 4GB 1600mhz
Coolermaster m1000 watt


thanks in advance

/Robert
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post #2 of 15
Asus LLC does what it have to do, and board it's made to always use it if you run other configuration than the CPU Default. You can always disable it, yes but the board it's been designed to run with it enabled. I've seen a lot of reviews with asus LLC on p7p55d boards and they didn't register a single spike. (On high-end boards at least)
    
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post #3 of 15
Thread Starter 
Quote:
Originally Posted by jak3z View Post
Asus LLC does what it have to do, and board it's made to always use it if you run other configuration than the CPU Default. You can always disable it, yes but the board it's been designed to run with it enabled. I've seen a lot of reviews with asus LLC on p7p55d boards and they didn't register a single spike. (On high-end boards at least)
Thanks for the info buddy
My motherboard's not the best but a standard P7P55D, but if I understand it between p7p55d/pro/evo it's just extra function as sli support more sata ports and other bits?
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post #4 of 15
Phase Powers also, the Premium (the top end) have the most phase powers of all, but the basic line (P7P55D, Pro and Evo) still have 12+2 x T.Probe so it's still good and should provide stable power for the CPU.

The problem comes with the LX mostly where the phase power design is 4+2 or the LE with 8+2.
    
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post #5 of 15
Thread Starter 
Quote:
Originally Posted by jak3z View Post
Phase Powers also, the Premium (the top end) have the most phase powers of all, but the basic line (P7P55D, Pro and Evo) still have 12+2 x T.Probe so it's still good and should provide stable power for the CPU.

The problem comes with the LX mostly where the phase power design is 4+2 or the LE with 8+2.
So you think it will be fine to run with 1.37vcore LLC Enable om my board?

According Occt report as is, in fact vcore stable at around 1.37 which means that it is ok?

I'm a little worried (I do not want to ruin my beloved cpu)
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post #6 of 15
Whats your IMC voltage? I would say that if the temps are below 70ºC under prime95/LinX yes, it will be safe.
    
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post #7 of 15
Thread Starter 
Quote:
Originally Posted by jak3z View Post
Whats your IMC voltage? I would say that if the temps are below 70ºC under prime95/LinX yes, it will be safe.
IMC is 1.206.
High temperature was about 80C on one core in occt Linpack, maby its about high
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rob
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post #8 of 15
80ºC is high yes. How much time did you run it? I've found that with more than 25 minutes the temperatures rise by 2-3ºC. I can run like 15 minutes and get 66ºC but if I run the test for like 10 hours I get 69-70ºC. IMC Voltage is fine, very good imo.
    
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post #9 of 15
Thread Starter 
Quote:
Originally Posted by jak3z View Post
80ºC is high yes. How much time did you run it? I've found that with more than 25 minutes the temperatures rise by 2-3ºC. I can run like 15 minutes and get 66ºC but if I run the test for like 10 hours I get 69-70ºC. IMC Voltage is fine, very good imo.
10 loops in LinX is around 80C.
But I can run my cpu stable at 4.1ghz with vcore 1.36 (LLC disable) then the temperature is only 67c.
Ye i know my IMC (VVT) is very good at only 1.206, i have seen people using up to 1.3v.
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rob
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post #10 of 15
If you enable LLC you might me able to have a lower overall vcore value.
LLC is to avoid/fix/correct/(burn? kidding) Intel VDroop spec, so in the end you always use more VCore because at full load you get a lower Vcore. So you might end up only needing 1.34 with LLC.
When you have the cpu under full load what voltage CPU-Z reports?
    
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CPUMotherboardGraphicsRAM
Intel i7 4770K ASUS MAXIMUS VI HERO Gigabyte G1 Gaming GTX 980 Ti G-Skill TridentX 2400 
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MonitorMonitorKeyboardPower
PG279Q U2414H G710+ Corsair AX750 
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