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Can't seem to overclock a 2600k on Asus P8Z68-V PRO/GEN3

post #1 of 10
Thread Starter 
So I've had my new computer build for a few days now and I've been lightly trying to OC my new 2600k while doing all the other things you need to do with a new computer. So forgive me if my details are a bit fuzzy.

First I used the OC tool within the BIOS and let it do its thing. It gave me a reasonable OC and I left it at that while I set up other components. Later, I wanted to see if I could push the OC a bit more and play around with the ASUS AI Suite. So I let it do an OC and had to walk away for a minute, when I came back, it said I had a 70% OC and was approaching 7ghz! That freaked me out so I hit stop and shut the machine down, restarted and loaded defaults from the BIOS. After that, my multiplier would jump from 16x to 34x (stock speeds). But I can't get it to go any higher now.

Now I've tried a dozen or so things to get the multiplier higher but nothing seems to work. The BIOS tells me I'll be getting a multiplier of 40 to 48, but its still at 32 when I see it in AIDA64 or CPU-Z. I'm running the CPU with a Corsair H60 in push-pull config, and currently the cpu is frosty cold (17C avg). So I'd really like to OC my system as I'm a graphic designer and speeding up my processes would certainly help. But it feels like I'm using a locked CPU here. (For reference, it is a 2600K, it says so in CPUID and on the box and on the processor stamp itself)

I've uninstalled AI suite and I'm trying to do this in BIOS. Can anyone help? I must be missing something. Thanks!
post #2 of 10
With our boards and the latest BIOS 3202 we have to OC with the Turbo Multis

Heres how we do it. smile.gif

Go into BIOS

1. Go into CPU advanced section and set the CPU Ratio to 34

Disable Speedstep
Disable all three power C state sections

2. Now go to the AI tweeker menu and set the OC mode to Manual

Turbo Mode = By Per Core

Set all 4 boxes to 44

PLL Overvoltage = Disabled

EPU Power savings = Disabled

Digi VRM settings

LLC = Regular
VRM Frequency = AUTO
VERM Spread Spectrum = Disabled
PWM Phase mode = Standard
Phase control = T.Probe
CPU overvoltage = 100%


CPU voltage = Offset then choose Negative (-) = -.005

The rest on AUTO

CPU Spread spectrum = Disabled


This will give you a constant 4400MHz (4.4GHz) CPU speed.

Windows and System boot will still say 3400mhz

To check the actual speed use CPU-z and it will say all 4 cores are running at 4400Mhz smile.gif
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post #3 of 10
Thread Starter 
Thanks for the concise info, garikfox! I'll try that later tonight and report back.
post #4 of 10
Thread Starter 
http://valid.canardpc.com/show_oc.php?id=2360610

Its still not working sad-smiley-002.gif

I followed the steps exactly and rebooted. CPU-z, AIDA64, and the sidebar monitor all say 3400. So I reset and loaded defaults, then tried again. Still at 3400. I'm going to try clearing my CMOS to see if that works.

Any other ideas?
post #5 of 10
Thread Starter 
Not only did clearing the CMOS not help, the CMOS didn't actually clear.

So I moved the jumpers, waited, put them back on, started the system... then the American Megatrends screen pops up and says "please use setup to recover BIOS, press f1 to enter setup". I hit f1 and bam, all my cleared BIOS settings are back in place. Even the O.C. Profiles! Whats the point of a CMOS clear if it returns everything to the previous value? Does anyone know how to actually clear the CMOS on this board? I found another thread detailing the same type of thing: http://forums.hexus.net/motherboards/238345-asus-p8z68-v-pro-gen3-always-back-oc-settings-cant-clear-cmos.html

Help?
post #6 of 10
Quote:
Originally Posted by WhiteWorm View Post

Not only did clearing the CMOS not help, the CMOS didn't actually clear.
So I moved the jumpers, waited, put them back on, started the system... then the American Megatrends screen pops up and says "please use setup to recover BIOS, press f1 to enter setup". I hit f1 and bam, all my cleared BIOS settings are back in place. Even the O.C. Profiles! Whats the point of a CMOS clear if it returns everything to the previous value? Does anyone know how to actually clear the CMOS on this board? I found another thread detailing the same type of thing: http://forums.hexus.net/motherboards/238345-asus-p8z68-v-pro-gen3-always-back-oc-settings-cant-clear-cmos.html
Help?

Try unplugging the computer and then switching the jumper. Wait a few minutes then press the power button with the computer unplugged for a couple seconds to try and drain any power still in there. Then see if it clears the CMOS.
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post #7 of 10
Thread Starter 
Thanks for the reply, Aesir

I tried that and it sorta worked. My Date got reset back to 2008, but the OC profiles were still there. I tried using the steps that garikfox posted, but I'm still not OC'd.

Another thing I noticed, why does my CPU-z results (linked in post #4) say I'm running only 2 cores and 4 threads. Shouldn't that say 4 and 8? Whats going on here?
post #8 of 10
Quote:
Originally Posted by WhiteWorm View Post

Thanks for the reply, Aesir
I tried that and it sorta worked. My Date got reset back to 2008, but the OC profiles were still there. I tried using the steps that garikfox posted, but I'm still not OC'd.
Another thing I noticed, why does my CPU-z results (linked in post #4) say I'm running only 2 cores and 4 threads. Shouldn't that say 4 and 8? Whats going on here?

It should say 4/8 maybe you don't have all cores enabled in the CPU settings of the bios. Otherwise you can check msconfig in windows and under boot>advanced options making sure that 8 processors are enabled. You can attempt to set the bios to default while in the bios, or maybe there's a bios update at Asus support that you can download unzip and put on a flashdrive to update in the bios which might fix issues you're having.

To get into msconfig press the windows key or go to the start menu and type in msconfig.
MCP
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Rinzler
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CPUMotherboardGraphicsRAM
Intel 2700K 5GHz Asus P8Z68 Deluxe Gen3 EVGA GTX-1080Ti (4x8GB) Crucial Balistix 1600 MHz 
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A bunch of SSD's LG DVD Combo Apogee Xt Rev 1.0, 360 Rad + D5 Fedora 25 
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CPUMotherboardGraphicsRAM
Intel 2700K 5GHz Asus P8Z68 Deluxe Gen3 EVGA GTX-1080Ti (4x8GB) Crucial Balistix 1600 MHz 
Hard DriveOptical DriveCoolingOS
A bunch of SSD's LG DVD Combo Apogee Xt Rev 1.0, 360 Rad + D5 Fedora 25 
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Windows 10 Acer 32" 4k Acer 32" 4k Wacom Cintiq 27 QHD 
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Ducky Corsair AX850 Coolermaster HAF-X Corsair 
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Xonar DG 
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post #9 of 10
Thread Starter 
That was the problem. I unchecked the processors box in the advanced boot menu and now I'm seeing the right number of cores, plus I'm seeing a speedstepped overclock of 4.4ghz. I'm going to try to push it a bit higher then run a stability test. Thanks for the help!
post #10 of 10
Quote:
Originally Posted by WhiteWorm View Post

That was the problem. I unchecked the processors box in the advanced boot menu and now I'm seeing the right number of cores, plus I'm seeing a speedstepped overclock of 4.4ghz. I'm going to try to push it a bit higher then run a stability test. Thanks for the help!

No problem, I had the same problem the other day when switching from the 2500K to the 2700K even the problems with the overclocking showing up.
MCP
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Rinzler
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CPUMotherboardGraphicsRAM
Intel 2700K 5GHz Asus P8Z68 Deluxe Gen3 EVGA GTX-1080Ti (4x8GB) Crucial Balistix 1600 MHz 
Hard DriveOptical DriveCoolingOS
A bunch of SSD's LG DVD Combo Apogee Xt Rev 1.0, 360 Rad + D5 Fedora 25 
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Windows 10 Acer 32" 4k Acer 32" 4k Wacom Cintiq 27 QHD 
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Ducky Corsair AX850 Coolermaster HAF-X Corsair 
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Xonar DG 
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500 GB WD Caviar Black 
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MCP
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Loki
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Rinzler
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CPUMotherboardGraphicsRAM
Intel 2700K 5GHz Asus P8Z68 Deluxe Gen3 EVGA GTX-1080Ti (4x8GB) Crucial Balistix 1600 MHz 
Hard DriveOptical DriveCoolingOS
A bunch of SSD's LG DVD Combo Apogee Xt Rev 1.0, 360 Rad + D5 Fedora 25 
OSMonitorMonitorMonitor
Windows 10 Acer 32" 4k Acer 32" 4k Wacom Cintiq 27 QHD 
KeyboardPowerCaseMouse
Ducky Corsair AX850 Coolermaster HAF-X Corsair 
Audio
Xonar DG 
CPUGraphics
Intel i7-4558U Intel Iris 
CPUMotherboardGraphicsRAM
i7 720QM Proprietary GTX 260M 4 gb DDR3 1066 
Hard Drive
500 GB WD Caviar Black 
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