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2500K Vcore is not changing

post #1 of 10
Thread Starter 
I have followed the Sandy Bridge overclocking guide with someone I know via skype, and he changed his Vcore to 1.35 and the ratio to 45 for a 4.5Ghz overclock.

It did just fine inside the OS, when not under load it was at 3.3Ghz which was stable at 1.060v, but under load it would go to 4.5Ghz and it'd stay at 1.060v rather than go up to somewhere around 1.35v. Now, the area for DVID is grayed out, and he's looked anywhere to get it to turn on but it's not going on.

What am I supposed to tell him to do here?
Edited by MasterFire - 6/8/11 at 1:14pm
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post #2 of 10
What is he using to monitor vcore?

For me, I can only see the voltage change in CPUz and coretemp (i think coretemp worked... maybe not)
post #3 of 10
Which motherboard does he have and what software is he using to monitor voltage?
Also, not sure you can adjust vcore directly in BIOS with whatever board he has.
Speedstepping enabled?
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post #4 of 10
Thread Starter 
CPU-z
http://www.newegg.com/Product/Produc...82E16813128493
That's the motherboard

We had speedstep enabled (or EIST). It was changing the ratio's between 33 and 45 just fine. Just not the voltage.
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post #5 of 10
Try this:

http://www.cpuid.com/news/36-cpuid_r...dy_bridge.html

HWMonitor displays your vcore under Voltages -> CPU
post #6 of 10
CPU-Z shows VTT voltage on some motherboards and that's why it stays at 1.060 V. Use HWMonitor.
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post #7 of 10
If you could actually push 4.5GHz at 1.060V, that would be a very golden chip
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post #8 of 10
Use hwinfo32. Better than hwmonitor but may not work at the same time as msi afterburner.
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post #9 of 10
Update your system spec. It has been known that cpu-z has not fully supported the z68 mobos especially the gigabyte z68 mobos. For now I would use easytune4 to read voltages as that seems to do the trick.
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post #10 of 10
yea easytune does it pretty well.

increase the core ratio and increase the vcore until stable, set LLC to level 7.

BTW check with CPU-Z i had a stupid issue teh other day with my Z68X-UD7 i set 45x and it changed it to 50x.
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