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i5 2500k Overclocking to 4.5ghz - Page 3

post #21 of 26
Thread Starter 
Welp, heres my p95 blend test at 4.0ghz, fixed vcore of 1.25, 2 hours in:
Dao1d.jpg
No issues.

Just to follow up on that 1 core failing bit, after the last time of clearing cmos and starting from stock, i've had a different core fail (core 1 instead of core 3), so its not the same core the whole time.

So, back to 4.5ghz...
Where is the BSOD log again? What do I do to save a log?

I'll be going straight to 1.35 vcore as suggested (fixed mode, not offset), but what should I be doing with PLL overvoltage? I have two options in my UEFI for PLL overvoltage: 1) Enable PLL overvoltage, and 2) PLL Voltage setting (AUTO, and a number of voltages to pick from). Can you explain what PLL overvoltage is? And what I should be aiming for when enabling it?

I've read up a bit on LLC, and its to counter the vdroop present in most boards while at load, right? Could you explain further?

I've left Speedstep and C1E on, would you recommend leaving C3 and C6 states enabled as well?
Zaid's SB i5
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Zaid's SB i5
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post #22 of 26
Thread Starter 
YAY!
Followed fuloran1's and donkrx's instructions. Fixed vcore of 1.32, turbo power limit of 250, 180, 1 and current at 250. Left memory at mb defaults. Left PLL overvoltage disabled.
Prime95 blend, stable for over an hour. Temps never over 66C.
QriVo.jpg

Now I'm thinking, should I go higher? This was my goal, but temps seem fine, and voltage is under control...
Zaid's SB i5
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Zaid's SB i5
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post #23 of 26
Quote:
Originally Posted by zaidr;14435977 
YAY!
Followed fuloran1's and donkrx's instructions. Fixed vcore of 1.32, turbo power limit of 250, 180, 1 and current at 250. Left memory at mb defaults. Left PLL overvoltage disabled.
Prime95 blend, stable for over an hour. Temps never over 66C.
QriVo.jpg

Now I'm thinking, should I go higher? This was my goal, but temps seem fine, and voltage is under control...

You should always go higher smile.gif

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post #24 of 26
2500k usually needs 1.3V for 4,5Ghz stable
TT Mozart Sx
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TT Mozart Sx
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post #25 of 26
Quote:
Originally Posted by zaidr;14435977 
YAY!
Followed fuloran1's and donkrx's instructions. Fixed vcore of 1.32, turbo power limit of 250, 180, 1 and current at 250. Left memory at mb defaults. Left PLL overvoltage disabled.
Prime95 blend, stable for over an hour. Temps never over 66C.
QriVo.jpg

Now I'm thinking, should I go higher? This was my goal, but temps seem fine, and voltage is under control...

Nice! I would give 4.6 a try at that voltage for sure (after a good test w/prime 95, 12 hours of blend). I'm in the process of nailing down my 4.5 stable oc with the lowest votage possible atm
Quote:
Originally Posted by donkrx;14433588 
You could need 1.35. Instead of going up to only 1.31 and reporting back just go straight to 1.35 and save time.

This is exactly what I did, and started going down in the voltage from there by .01, then when I hit 1.32 I went down by .05. I think I may have hit the sweet spot at 1.315 though. Temps look good, and stable as a rock so far. I want to see about 4.6 myself, but I'm not sure. 4.5 will chew up and spit out any game on the planet and then some...
Edited by fuloran1 - 8/2/11 at 3:51pm
post #26 of 26
It really depends on your chip, but large majority usually fall within 1.3-1.35vcore, I would've recommend going over 1.4v.
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