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Faulty 2600K?

Rossdh

Rossdh

Rossdh

Associate
Joined
13 May 2009
Posts
803
Location
Glasgow
Hi folks. In the past few days I've been trying to OC my 2600K although anything more than 4.6GHz it starts doing really weird things. For example, I go into the BIOS (MB is a Gigabyte P67A-UD7) and I set it up for 4.8GHz which going by the Gigabyte guide should be all power saving features off and just up the multi, volts and set LLC Level 2. PC reboots and I get the Gigabyte flash screen and BOOM! shuts down. Restarts, shuts down.... It restarts again but this time I get a check sum error and my board gets reflashed back to out the box status.

Whats going on here? Any help guys will be greatly appreciated.
 
Spec is in my rig.

As for the rest of my BIOS settings:
F7 BIOS
Vcore 1.385 and LLC Level 2 (for trying 4.8)
Everything else on auto
 
hi mate,
I have a 2500k with the same p67a-ud7. If you run unstable clocks it reflashes the bios eventually... It also does the power on power off restart thing at boot up... This is the motherboard trying (and failing) to boot the settings you have given it.
you can set the backup bios to the same version you are running. I think its alt +f10 at boot up or something... Check the manual.
As the other guys have said give it a bit more vcore and the stability should come...
 
First thing to remember is that no two CPU's are the same. There is no guarantee that any CPU bought will clock the same or even overclock at all. :)

Now let us walk through your settings.

BIOS F7

vCore = 1.365
vTT = auto, or bump it up one or two notches if needed.
PLL - 1.76
LLC1 - The only time you would need LLC2 is if you were extreme benching. Most of the time standard would be fine. But LLC1 is just peachy.

Your ram should be running at XMP profile1 which you would set first before you do any other BIOS changes.

Please try those settings and let me know how it goes.
 
First off, cheers for the responses folks, very much appreciated. As for PLL, with the F7 BIOS I do not have the option to change it, 1Day do you have a link for the BIOS version you are using? I'll give these settings a blast tonight when I get back from work.

Once again thanks very much,
Ross
 
Hi Ross

Sure I will send you the BIOS in trust.

You should not need to enable PLL over ride to reach 4.8GHz if you CPU is able to achieve that frequency. The PLL Over rider is more for when you go beyond the 50X multi mark. But try it you never know.


Here are some things to do which make your life easier with the UD7 motherboard. If we use the F7 official BIOS as your basis. It is a good BIOS for 24/7 use by the way.

1. Boot into BIOS, set default settings.
2. Make sure you do not enable quick boot.
3. F10 and enter.
4. Use a PS/2 adaptor for your keyboard, normally a USB keyboard works too but just to make sure.
5. As your system starts to boot into BIOS, just when the first text is about to show.
6. Alt + F12 you need to time it right.

once in the option to flash your back up bios.

7. Flash you dual bios to F7.
8. Reboot and run all the way to OS. That done restart or install @BIOS the latest one not the one which came with the DVD and install the BIOS of your choice. Like I said I do not think you need to worry about PLL over rider but if you want it....
9. If you prefer the Qflash method use that to flash your bios

Now your dual bios will be.

Back up and fail safe F7
Daily use and clocking F7e

Get into the habit of saving your cmos profiles onto a USB drive. That way you can remember or go back to a setting that worked. Takes a lot of the pain out of finding the best settings.
 
1day you are an overclocking Goddess! I seem to be stable at 4.7 with 1.365 vcore, 1.080 on vtt and LLC level 1. Ran 20 threads of intel burn rest at high and it seems ok'd. Not touching prime...
Thanks!
 
Oh dear.

The BSOD do you have the code?

If you can write it down for me I should be able to point you in the right direction.
 
Got another BSOD. Here is the error I got 0x00000124 (0xFFFFFA80082B3028, 0x0000000BE200000, 0x000000000005110A, 0x0000000000000000)
 
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