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Previously tested overclock no longer applied in Windows --> i5 2500k, Gigabyte Z68 UD4-B3

post #1 of 21
Thread Starter 
Hey guys - sorry if this comes up a lot, but I'm not sure what has changed.

I noticed recently that Starcraft II was showing a little lag in Desert Strike (more so than normal - it warned me I was slowing the game even on medium graphics).

I opened CPU-Z and found even in P95 it only hits 3309.5 MHz (rather than 4500 MHz). In the BIOS, it still shows my overclock...

Frequency

CPU Clock Ratio: 45 x
CPU Over Current Protection: Auto
PLL Overvolt: Auto
Real-Time Ratio Changes in OS: Disabled
Intel Turbo Boost: Disabled
Cores Enabled: All
C1E: Enabled
C3/C6: Enabled
Thermal Monitor: Enabled
EIST: Enabled
Bi-Directional PROCHOT: Auto

Voltage

Multi-Steps Load Line: Level 5
CPU Vcore: 1.360V (a little high, I know.....but I think I got a weaker chip - needed this for 24 hr P95 blend stability).
Dynamic Vcore: Auto
QPI/Vtt Volt: Auto
System Agent Volt: Auto
The rest is all auto...

MIT Current Status shows...
Turbo Ratio: 45; Frequency 4514.5
Temps at 35 at idle....when I had it overclocked my temps in P95 didn't get higher than 70-72 C (after 24hr). Now under a few min at prime it hits only 60 C at 3.3 GHz, so it's not a thermal issue.

Any thoughts what might be causing this issue? I tried turning off C1E and EIST and it showed my overclock for a second but then dropped to 3.3 GHz.

My BIOS has reset itself a couple times when my friend has powered off power bar, and once when I tried to shut down but forgot I set power button to only need a press, not hold so it reset then shut off when I let go. When that has happened I have just loaded my 4.5 GHz profile with the above settings.
Edited by cdrinkh20 - 2/29/12 at 12:48am
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post #2 of 21
You could try unparking the cores. Not sure other than that.
     
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post #3 of 21
Thread Starter 
Could you elaborate? I'm not sure what you mean by "unparking".
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Cooler Master V8 Windows 7 Professional OCZ 850W (80+ GOLD) Silverstone Raven 03 
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post #4 of 21
Quote:
Originally Posted by cdrinkh20 View Post

Hey guys - sorry if this comes up a lot, but I'm not sure what has changed.
I noticed recently that Starcraft II was showing a little lag in Desert Strike (more so than normal - it warned me I was slowing the game even on medium graphics).
I opened CPU-Z and found even in P95 it only hits 3309.5 MHz (rather than 4500 MHz). In the BIOS, it still shows my overclock...
Frequency
CPU Clock Ratio: 45 x
CPU Over Current Protection: Auto
PLL Overvolt: Auto
Real-Time Ratio Changes in OS: Disabled
Intel Turbo Boost: Disabled
Cores Enabled: All
C1E: Enabled
C3/C6: Enabled
Thermal Monitor: Enabled
EIST: Enabled
Bi-Directional PROCHOT: Auto
Voltage
Multi-Steps Load Line: Level 5
CPU Vcore: 1.360V (a little high, I know.....but I think I got a weaker chip - needed this for 24 hr P95 blend stability).
Dynamic Vcore: Auto
QPI/Vtt Volt: Auto
System Agent Volt: Auto
The rest is all auto...
MIT Current Status shows...
Turbo Ratio: 45; Frequency 4514.5
Temps at 35 at idle....when I had it overclocked my temps in P95 didn't get higher than 70-72 C (after 24hr). Now under a few min at prime it hits only 60 C at 3.3 GHz, so it's not a thermal issue.
Any thoughts what might be causing this issue? I tried turning off C1E and EIST and it showed my overclock for a second but then dropped to 3.3 GHz.
My BIOS has reset itself a couple times when my friend has powered off power bar, and once when I tried to shut down but forgot I set power button to only need a press, not hold so it reset then shut off when I let go. When that has happened I have just loaded my 4.5 GHz profile with the above settings.

PLL Overvolt Enable
Real time ratio changes Enable
c3/c6 Disable

You didn't list any memory info. But those 3 should get you unstuck. List your memory info & there may be more room to work.
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post #5 of 21
Try manually resetting your BIOS, load default settings and then try to apply your overclock again. If that doesn't work I suggest you flash your BIOS to a newer version, that is if you are comfortable doing that.
Let us know how it goes.
    
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post #6 of 21
Thread Starter 
By manually, do you mean remove the battery from the Mobo to clear settings, or just load the defaults as is?

Enabling PLL overvolt, Real time OS changes and disabling C3/C6 did not work. --> EDIT: Loading Optimized Defaults and then manually changing to above settings plus Enabled PLL, etc. also did not work.

I've never flashed before but I suppose my MoBo and processor are covered under extended warranty...though I'd prefer not to kill it as it's my main working computer during school.
Edited by cdrinkh20 - 2/29/12 at 9:33am
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Cooler Master V8 Windows 7 Professional OCZ 850W (80+ GOLD) Silverstone Raven 03 
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post #7 of 21
By manually I did indeed mean just load the default settings inside the BIOS.

Well the good thing, well one of the good things at least, about gigabyte is their extremely easy BIOS flashing procedure.
First you download the @BIOS utility from here http://www.gigabyte.fi/products/product-page.aspx?pid=3849&dl=1#utility
Then you download a newer BIOS version from here http://www.gigabyte.fi/products/product-page.aspx?pid=3849&dl=1#bios , F9 being the newest.

Then you just need to make sure that your PC doesn't lose it's power connection while flashing. Open the program and follow the on-screen instructions. smile.gif

If that doesn't work, I'm honestly not sure what the problem is.. I don't recall ever hearing about a problem like this.
    
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post #8 of 21
Thread Starter 
Sounds simple enough - have my MoBo manual in any case if that's no good.

Does anyone else have another suggestion before I flash the BIOS? Does anyone else agree that is the best course of action?
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Gaming Computer
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CPUMotherboardGraphicsRAM
i5-2500k GIGABYTE Z68 UD4-B3 Sapphire R9 290 Tri-X OC G. Skill Sniper 8 GB 
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Cooler Master V8 Windows 7 Professional OCZ 850W (80+ GOLD) Silverstone Raven 03 
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post #9 of 21
Thread Starter 
I'm at school at the moment, but perhaps it would be advisable to see if the overclock applies when it is less than a 45x multiplier ...?

I noticed, however, in my manual there was an option in Advanced Frequency settings for changing the Turbo Power Limit and Core Current Limit, but I did NOT see those in my BIOS (perhaps because Turbo is disabled?). Do these need to be increased from their default levels?

EDIT: Sorry for double post.

I can see the Power limits when I enable Realtime OS changes...
I also tried backing off the multiplier, and I still only operate at 3.3 GHz when multi is at 40x.

I flashed to F9 from F5 and overclock still doesn't work. In fact, TURBO BOOST doesn't work on Optimised Default! It still only hits 3.3 GHz.... help? :S
Edited by cdrinkh20 - 2/29/12 at 8:35pm
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i5-2500k GIGABYTE Z68 UD4-B3 Sapphire R9 290 Tri-X OC G. Skill Sniper 8 GB 
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CPUMotherboardGraphicsRAM
i5-2500k GIGABYTE Z68 UD4-B3 Sapphire R9 290 Tri-X OC G. Skill Sniper 8 GB 
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post #10 of 21
Thread Starter 
Well....I simply don't know what can be done. However, I have an extended warranty from Memory Express, where I got the board and CPU (I also have one on the CPU).

In the BIOS, it still shows whatever OC I put in. When I boot into Windows, however, it remains at 3.3 GHz.

I decided to see if Turbo Boost would do it - nope. Set max Watts and Amps to 200...set all 4 turbo multipliers to 45 and enabled real time os changes. STILL no higher than 3.3 GHz. As I said before, even the Optimized Defaults does not have a functioning Turbo Boost.

Should I be RMAing this board??

EDIT: Sorry for being that guy with multiple posts...but this worries me frown.gif
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Gaming Computer
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CPUMotherboardGraphicsRAM
i5-2500k GIGABYTE Z68 UD4-B3 Sapphire R9 290 Tri-X OC G. Skill Sniper 8 GB 
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Cooler Master V8 Windows 7 Professional OCZ 850W (80+ GOLD) Silverstone Raven 03 
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