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First time overclocker; I NEED HELP :)

post #1 of 13
Thread Starter 
Hello. rolleyes.gif I'm a noob at overclocking

I have a 2500k and and MSI P67a-gd65 (b3) motherboard. It's my first time ever overclocking so I don't really know what I'm doing.

I have an aftermarket CPU cooler, so I know i can go between 4.4 and 4.6ghz on air.

My goal is to get 4.5ghz. I know to set the ratio to 45.


I have some questions:

What settings do I need to change in the BIOS?
What do I set the voltages to (VCore, VCCIO,VDroop, VDDQ)? Is Vcore the only necessary voltage to change?
What voltage should i start at?
What is the max voltage to go to?

I know there are probably threads upon threads about this. If someone can just simplify it for me, that would be great!
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post #2 of 13
complete copy n paste of another post.

great guide here:
http://www.overclock.net/t/968053/official-the-sandy-stable-club-benchmarks-stable-rigs-guides-inc-spreadsheet/2240#post_14466483

and another here:
http://www.overclock.net/t/1100100/info-intel-2500k-2600k-overclocking-tips

and an asus rep's guide for asus p8p67 which is still good for most boards as a guide:
http://hardforum.com/showthread.php?t=1578110


quickly,
pll overvoltage - auto/on
cpu spread spectrum - on
vccio - auto
cpu pll - auto


the guides are good. any one of them will help you hit 5.0 if your chip is capable
personally i used the asus rep's guide first. then fine tuned using munaim's
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post #3 of 13
Thread Starter 
Thanks, I'll check that out.
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post #4 of 13
At that speed you should be ok with leaving most of the settings on auto.

- Multiplier is 45.
- Its different for every chip but 4.5Ghz will probably require around 1.35, maybe lower.
- Max voltage 24/7 1.47v.
- Max safe temps 24/7 75c.
- Prime95 blend test for stressing. (Try to achieve 12hrs)

Just experiment trying to get the lowest voltage possible whilst keeping it stable.

I would suggest reading up about overclocking before you start though smile.gif.


Good luck and prepare for the crave to go higher. thumb.gif

Max safe temps/voltages are based on my own opinion.
Edited by Sonics - 1/10/12 at 4:11pm
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post #5 of 13
its stated in the asus reps post,
Overall a key item to note is the best voltage to oc scaling range potential for the turbo multiplier is 1.400 to 1.425 vcore. Using this voltage range with an LLC recommendation of ultra high will generally provide the best scaling potential with proper load temperatures*. We have generally found exceeding this voltage will not provide additional scaling or will increase load temperatures to a high level with synthetic load applications ( like Prime, Linx, OCCT ). Should you use more realistic loading testing (our recommendation is a combination of AIDA64 stress test, PC Mark Vantage) then temperatures under will be considerably under the max TDP rating.

i dont know how true this is.

then he states this,
Quick Note regarding Voltage Scaling – Internal binning of both D1 and D2 parts we discovered consistent voltage scaling patterns.
1. For K series parts, the stock voltage supplied will allow for consistent overclocking generally up to a multiplier of 43x. There is potential for the multi to be raised to 44x depending on the load induced. This default voltage range be approx 1.240 to 1.260 under load.
2. Increased range between 44 to 47x multipliers will generally require a voltage range between 1.30 to 1.375V with an LLC recommended setting of high to ultra high.
3. Increasing the range between 48 to 50x multiplier will generally require a voltage range between 1.40 to 1.500 with a LLC recommended setting of ultra high.
4. Increased range between 50 to 52 (52 generally considered peak max multiplier except for rare 54x parts) will generally require a CPU voltage range between 1.515 to 1.535V with LLC at Ultra High and potential fine adjustments to the CPU skew range.


yes i copy n pasted from the link i put up. bah, sue me biggrin.gif
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post #6 of 13
Thread Starter 
What is LLC?
Snowtrooper
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post #7 of 13
load line calibration.

on that board its high vdroop and low vdroop.
i didnt keep the board long enough to find out id they mean high as in it compensates for high vdroop or it allows higher vdroop.

who knows with msi. i saw on mine and read from others that msi reads lower volts than actual. asus supposedly fixed this months ago
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post #8 of 13
LLC is the Load Line Calibration. It prevents the voltage in the OS from going below what you set it in the BIOS.

When the processor is under load the voltage droops which may have the need for more voltage, this is where LLC will compensate in order to keep it stable.

Sorry for the bad explanation, hopefully someone will write an essay for you tongue.gif

At that clock you should put it on "High".
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Keith.
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post #9 of 13
Thread Starter 
My only options for that is "auto" and "low" should i keep it on auto?
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post #10 of 13
Yes. smile.gif
Keith.
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Keith.
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Janet.
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My PC.
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CPUMotherboardGraphicsRAM
Intel Core i7 2600K [5.0GHz@1.45v] Asus Maximus IV Extreme EVGA GTX 680 Classified 16GB Corsair Vengeance Red 1600Mhz 9-9-9-24 
Hard DriveHard DriveHard DriveCooling
60GB Corsair Force Series 3 SSD 160GB Samsung 7200RPM 1TB Samsung 7200RPM Corsair H100 
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Windows 7 Professional 64Bit 27" Acer S273HLAbmii 19" Samsung SyncMaster 943SN Logitech diNovo Edge 
PowerCaseMouse
Antec High Current Gamer 900W Coolermaster HAF 932 Logitech G300 
CPUMotherboardGraphicsRAM
AMD Phenom II X4 965 @ 4.21Ghz ASUS M4A87TD/USB3 NVIDIA GeForce GTX 460 768MB Corsair 4x2GB DDR3 1333Mhz 
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