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help me get 4.5 oc

post #1 of 21
Thread Starter 
I need help trying to oc 2500k to 4.5Ghz. So far I´v changed these settings:

-cpu current capability- 140%
-LLC- ultra high
-phase and duty control- extreme
-EPU powersaving- disabled
-can't find VRM frequency? I tought I would change it to 350?
-multi 45 and vcore 1.300 but cpu-z shows 1.312-1.320 on load and Real temp shows VID 1.3961
vcore 1.304 idle on cpu-z and 0.9857 VID

Do I need to change something else? I would like to set offset voltage so based on this information how is it done?
Also I'v been running prime 95 for 30min now to see my temps on real temp an they seem to be about 60-69c now. Asus pc probe shows about 5-10 lower temps?
Edited by minorhunter - 7/31/12 at 6:09am
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post #2 of 21
Quote:
Originally Posted by minorhunter View Post

I need help trying to oc 2500k to 4.5Ghz. So far I´v changed these settings:
-cpu current capability- 140%
-LLC- ultra high
-phase and duty control- extreme
-EPU powersaving- disabled
-can't find VRM frequency? I tought I would change it to 350?
-multi 45 and vcore 1.300 but cpu-z shows 1.312-1.320 on load and Real temp shows VID 1.3961
Do I need to change something else? I would like to set offset voltage so based on this information how is it done?


The CPU Current Capability doesn't have to be above 100% for 4.5 GHz.  I am using 100% for 4.7 GHz.

 

The VRM Frequency name has been changed to "CPU Voltage Frequency".  However, this can be left on Auto for 4.5 GHz.  If you were doing 4.8 GHz or more, then I would use Manual and set it to 350 at that time.

 

To set the Offset, all we need now is what your idle voltage is because that's the only missing information in order to assist us with calculating what the Offset voltage might have to be.

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post #3 of 21
Thread Starter 
Quote:
Originally Posted by TwoCables View Post


The CPU Current Capability doesn't have to be above 100% for 4.5 GHz.  I am using 100% for 4.7 GHz.

The VRM Frequency name has been changed to "CPU Voltage Frequency".  However, this can be left on Auto for 4.5 GHz.  If you were doing 4.8 GHz or more, then I would use Manual and set it to 350 at that time.

To set the Offset, all we need now is what your idle voltage is because that's the only missing information in order to assist us with calculating what the Offset voltage might have to be.

Sorry about that, the idle seems to be 1.304 on cpu-z and real temp shows about 0.9857 VID
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post #4 of 21
Quote:
Originally Posted by minorhunter View Post

Sorry about that, the idle seems to be 1.304 on cpu-z and real temp shows about 0.9857 VID

your idle is 1.304 on stock clocks???
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post #5 of 21
Quote:
Originally Posted by minorhunter View Post


Sorry about that, the idle seems to be 1.304 on cpu-z and real temp shows about 0.9857 VID

 

Nah, you didn't know that was the only thing left to know for setting the Offset.  :)

 

By the way, if you're wondering why the VID is lower now, then it's because the CPU's idling.

 

Anyway, I think that the Offset can start out at -0.075 or -0.080.  So set "CPU Voltage" to "Offset Mode", and then change "Offset Mode Sign" to the minus sign (this may be the most important step).  After that, type in 0.075 into the "CPU Offset Voltage" field and press Enter.  Then save and exit and see what full-load voltage CPU-Z shows during Prime95.  It should be about 1.320V.  I  hope!  If it doesn't, then try -0.080V for a slightly lower core voltage, or -0.070V for a slightly higher one.


Edited by TwoCables - 7/31/12 at 6:20am
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It's a computer!
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post #6 of 21
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

Nah, you didn't know that was the only thing left to know for setting the Offset.  smile.gif

By the way, if you're wondering why the VID is lower now, then it's because the CPU's idling.

Anyway, I think that the Offset can start out at -0.075 or -0.080.  So set "CPU Voltage" to "Offset Mode", and then change "Offset Mode Sign" to the minus sign (this may be the most important step).  After that, type in 0.075 into the "CPU Offset Voltage" field and press Enter.  Then save and exit and see what full-load voltage CPU-Z shows during Prime95.  It should be about 1.320V.  I  hope!  If it doesn't, then try -0.080V for a slightly lower core voltage, or -0.070V for a slightly higher one.
It gives me bsod on 0.080, 0.075 and 0.070. Those were 4.5 oc idle and load voltages what I wrote, should my cpu be on stock when I check those voltages or what I'm doing wrong here?
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post #7 of 21
Quote:
Originally Posted by minorhunter View Post


It gives me bsod on 0.080, 0.075 and 0.070. Those were 4.5 oc idle and load voltages what I wrote, should my cpu be on stock when I check those voltages or what I'm doing wrong here?

 

Well, you did everything correctly.  It might be me.  I typed everything out in one long sentence up there, so I think things got buried.  I used to be good at putting things in a numbered list.  redface.gif  I have to get back into that.

 

Is the Offset Mode Sign set to the minus sign?

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post #8 of 21
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

Well, you did everything correctly.  It might be me.  I typed everything out in one long sentence up there, so I think things got buried.  I used to be good at putting things in a numbered list.  redface.gif   I have to get back into that.

Is the Offset Mode Sign set to the minus sign?

Yes I made sure it was the minus sign, and those numbers you gave appears to be correctly calculated so maybe it's something else? I checked the VID on real temp's upper right corner if that's incorrect?
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post #9 of 21
Quote:
Originally Posted by minorhunter View Post


Yes I made sure it was the minus sign, and those numbers you gave appears to be correctly calculated so maybe it's something else? I checked the VID on real temp's upper right corner if that's incorrect?

 

I think it might be too low of a voltage yet.  Can you try -0.050?  This should get about 1.344V.

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It's a computer!
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #10 of 21
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

I think it might be too low of a voltage yet.  Can you try -0.050?  This should get about 1.344V.
Well I changed it to -0.060 and load is showing 1.352-1.360 and the VID is 1.3911. Idle is 0.904V. Should I change it to -0.050V? It's maybe little high voltage for 4.5 oc so what sould I do next to decrease voltage? Would changing LLC to very high or high help?
Edited by minorhunter - 7/31/12 at 7:19am
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