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starting settings for achieving 5GHz on 2500k

post #1 of 11
Thread Starter 
my goal for this cpu is 5ghz, and right now it's at 4.5 by just changing the multiplier on my motherboard. I was wondering if anyone could give me some settings to approach a stable 5ghz, as I have read on what everything is and still can't figure it out. thanks ahead of time, you guys are great!
post #2 of 11
Does your board have the Touch BIOS or the old style?
 
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post #3 of 11
You're just going to have to play with it yourself sadly. There is no "one stop setting" for 5GHz. You'll have to play with PLL voltage, vcore, VCCIO, RAM speeds and timings, and maybe tweak your BCLK slightly. You might not even GET to 5.0GHz, not all of them can (most can't actually).

First steps, stop using auto settings and learn your BIOS yourself. Look up the settings, find out what they do.

EDIT:
And with a Thermaltake Frio, if your chip needs voltage (which it likely will), you will never hit 5GHz. The only way you could do 5GHz stable would be if that is one GOLDEN chip.
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post #4 of 11
Thread Starter 
Quote:
Originally Posted by Angrybutcher View Post
Does your board have the Touch BIOS or the old style?
it says touch bios on the box, but I'm assuming that refers to the in windows utility, because the bios itself is blue and white, just like my oldschool P4 upstairs ;D
post #5 of 11
This should help (though not 5ghz), but as Pioneer said, you will need to tweak your own settings.

Go into the MB Intelligent Tweaker
Go to Advanced Frequency Settings
Ratio - 48x
CPU PPL Overvoltate - Enabled
Ratio Changes in OS - Disabled
Turbo Boost - Enabled
Set Each core to 48
Set Watts and Amps both to 250
My next settings are cut off in my picture, but should be...
All
Disabled
Disabled
Enabled
Disabled
Auto

I'll need to check my voltage settings when I get home.

You will need to set your voltage to say, 1.4v and adjust up if you can't boot. If it boots fine, lower it slightly until it becomes unstable, then adjust back up a bit from there. Once you get it running right, bump up the multipliers to 49 and adjust the voltage as needed. Remember to monitor your idle and load temperatures after each test.

Being on air, you may not get 5.0, though it is still do-able with a bit of luck.

...or for a better method. Check your current voltage in CPU-Z, knowing you're at 4.5ghz. If it shows say, 1.3, set the BIOS to 1.33, still at 45x multiplier. Work your way up from there, the same way I mentioned before.
Edited by Angrybutcher - 8/18/11 at 3:55pm
 
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post #6 of 11
Thread Starter 
Quote:
Originally Posted by Angrybutcher View Post
This should help (though not 5ghz), but as Pioneer said, you will need to tweak your own settings.

Go into the MB Intelligent Tweaker
Go to Advanced Frequency Settings
Ratio - 48x
CPU PPL Overvoltate - Enabled
Ratio Changes in OS - Disabled
Turbo Boost - Enabled
Set Each core to 48
Set Watts and Amps both to 250
My next settings are cut off in my picture, but should be...
All
Disabled
Disabled
Enabled
Disabled
Auto

I'll need to check my voltage settings when I get home.

You will need to set your voltage to say, 1.4v and adjust up if you can't boot. If it boots fine, lower it slightly until it becomes unstable, then adjust back up a bit from there. Once you get it running right, bump up the multipliers to 49 and adjust the voltage as needed. Remember to monitor your idle and load temperatures after each test.

Being on air, you may not get 5.0, though it is still do-able with a bit of luck.
alright, I'm at 5,001.7mhz on air, with a voltage of 1.44. my idle temps are around 38 with med-low fan settings, and I'm going to bump down the voltage. is it too high right now? here is my validation - http://valid.canardpc.com/show_oc.php?id=1958791
I don't know why my ram is showing to be clocked so low-- it's at 1600mhz in the bios.

Edited by xDriftyy - 8/18/11 at 4:01pm
post #7 of 11
Idle temps don't mean jack. You need to stress test that 5.0GHz for 12 hours using Prime95 custom blended (forcing all but 1GB of RAM usage) to know if it'll work. You probably don't have ENOUGH voltage. My chip takes 1.50v for 5.0GHz, but it's not possible on air.

And at 1.44v, I'll bet you overheat with your Frio under load.
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post #8 of 11
i'm gonna lol so hard if your pc doesnt boot up
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post #9 of 11
At least see if you can complete Prime blend for an hour. Watch those temps like a hawk. I'm guessing at your current settings, you'll be near 75-80C under load after 15 minutes, if it even lasts that long. You'll probably need at least 1.45 in Windows, which will drive up your temps.

I'm currently at 1.48ish in the BIOS and under water. Most I've been able to run Prime Blend stable so far is 3 hours, though I had an SSD firmware issue causing random access problems which may have caused me issues. Haven't ran it since the firmware update.

One thing to keep in mind, sure .02v seems small, but that can generate a lot more heat. I jumped 10c by pushing 5.1ghz at 1.5v.
 
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post #10 of 11
Thread Starter 
Quote:
Originally Posted by xenonca View Post
i'm gonna lol so hard if your pc doesnt boot up
doesn't boot up? I have already validated it. I'm going to run prime now.
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