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OC'ing 2500k Help

post #1 of 16
Thread Starter 
So this is going to be my first time doing a serious overclock on my intel rig.

(I have overclocked dozens of AMD cpus and even one i3)

I dont know what settings to use other than just strictly setting the voltage and multiplier.

( c1e, pll, etc....)

What settings should i use for a 4.0- 4.5 Ghz overclock on my 2500k - What to leave enabled, disabled, etc...

Thank you in advance
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post #2 of 16
Look at my build log, in sig, for some overclocking tips.
 
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post #3 of 16

Before you start, I just want to touch on something that is very important:

 

Is this your power supply?  http://www.newegg.com/Product/Product.aspx?Item=N82E16817152028  (Raidmax Hybrid 2 RX-530SS)

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post #4 of 16
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

Before you start, I just want to touch on something that is very important:

Is this your power supply?  http://www.newegg.com/Product/Product.aspx?Item=N82E16817152028  (Raidmax Hybrid 2 RX-530SS)

No, I have an OCZ modxtream 700 watt. I need to update a lot of things

also i have a MSI z77a gd65a
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Raindrop
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post #5 of 16
Thread Starter 
Ok guys here you go 2575199.png

I still need to know what settings to change like vdroop control, c1e, spread spectrum... etc. But heres the first overclock

So far running prime small fft, i am getting temps of 70-75 load with 212+ and AS5

I also have AS ceramique, which one should I use? ( I know that ceramique gives lower temps until the AS5 has time to break in)
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post #6 of 16
If it is stable, then you don't really need to change anything else unless you want to. You can leave all the powersaving stuff enabled (EIST, C1E, C3, C6), and you can leave LLC on whatever the default is unless you are getting high voltages or a lot of Vdroop. The voltage on your validation is actually very good - is that a load voltage, or is that at 4.5 idle?
post #7 of 16
Thread Starter 
thats at load. Right now im testing 1.240... even though in CPUZ it shows as 1.224 when loaded. Even with the setting of 1.24 its running lower, (better temps haha)

whatever, its stable right now. Gonna throw this under water soon because temps are hitting 75
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Raindrop
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post #8 of 16
Quote:
Originally Posted by Dankal View Post


No, I have an OCZ modxtream 700 watt. I need to update a lot of things
also i have a MSI z77a gd65a

 

Oh, that's better.  It's not great, but at least you can overclock with this one!  ;)

 

 

Quote:

Originally Posted by Dankal View Post

Ok guys here you go 2575199.png
I still need to know what settings to change like vdroop control, c1e, spread spectrum... etc. But heres the first overclock
So far running prime small fft, i am getting temps of 70-75 load with 212+ and AS5
I also have AS ceramique, which one should I use? ( I know that ceramique gives lower temps until the AS5 has time to break in)

 

C1E and Enhanced Intel SpeedStep Technology can be enabled because you're not adjusting the BCLK.  If you were adjusting the BCLK, then these would need to be disabled for the same reason they need to be disabled when doing FSB overclocking.  As far as Spread Spectrum is concerned, I think that this can be enabled unless you start seeing a BCLK in CPU-Z of less than 100.0 MHz (such as 99.8 MHz).

 

The Small FFTs test isn't the best for Sandy Bridge because it has an Integrated Memory Controller.  This means the Small FFTs test is only stressing a portion of your CPU instead of the entire thing.  So, the Blend test is much better, and the Custom Blend is the best.  The reason the Custom Blend is the best is you can tell it to use about 90% of your memory instead of being stuck with it using just 1600 MB. 

 

Also, these temps are very safe.  I don't know if a different thermal paste will make an appreciable difference.

 

 

Quote:
Originally Posted by Dankal View Post

thats at load. Right now im testing 1.240... even though in CPUZ it shows as 1.224 when loaded. Even with the setting of 1.24 its running lower, (better temps haha)
whatever, its stable right now. Gonna throw this under water soon because temps are hitting 75


This means that 1.224V is your actual core voltage while the CPU is under load.  This is normal and even a little bit desirable because the less vDroop there is, the hotter the VRM (Voltage Regulator Module) gets.

 

I still say that these temps are safe.  You have up until 98°C until the CPU throttles itself down and about 130°C until it turns itself off.  ;)  Although, the 2500K at 4.5 GHz with just 1.224V should be getting much lower temps.  When you applied the thermal paste, did you seal the gaps in between the exposed heatpipes on the heatsink first like the example below?

 

http://benchmarkreviews.com/index.php?option=com_content&task=view&id=150&Itemid=62&limit=1&limitstart=5


Edited by TwoCables - 11/8/12 at 9:51pm
It's a computer!
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #9 of 16
Thread Starter 
Haha i need your help!

Anyway no I didnt seal any gaps yet, but even using AS5 I am getting ridiculous temps

Turned out that those settings were unstable

Now I bumped my BIOS vcore up to 1.26 and when under load it reads 1.232-1.24

My temps with blends are around 65-70 on average and my now stable IBT temps are hitting 89 on some cores. w0w.

I have vdroop level control option available in but it is set to auto.


WHAT NOW?! smile.gif
Raindrop
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Raindrop
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2500k 4.5 Ghz MSI z77a-gd55 r9 290x Ripjaw X 8 gbs 
Hard DriveHard DriveCoolingCooling
Seagate Barracuda 5hunna gigs Samsung 840 Pro Raystorm Block Swiftech mcp655 
CoolingCoolingCoolingCooling
RS 360mm Radiator Distilled+Deadwater Bitspower 150  EK 290 block 
CoolingCoolingOSMonitor
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Corsair k90 OCZ ModXtream 700 NZXT Switch 810 Logitech g9x 
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post #10 of 16
You're probably going to need a better cooler. My 2500K hit 66°C overclocked to 4.4GHz with a Noctua NH-D14 which is considered one of the best HSFs to date.

And I doubt it is stable at 1.26v (not to ruin your hopes or anything). Very few will do at that voltage or less. I have a feeling you will need at least 1.3v.
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