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AMD FX-4170 ZAMBEZI OVERCLOCKING

post #1 of 58
Thread Starter 
Hi, i have amd fx-4170 and want overclock this cpu and i need help tips how to do it rightway. I have now overclocked with changing multiplier to 23 so i get 4600mhz and rising stock voltage to 1,5125v mean 0,1v overvoltage. What is maximum safe overvoltage with aircooling for amd fx-4170 if anyone know then please tell me?? all overclocking tips and help are welcome. smile.gif

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post #2 of 58
I don't know the maximum safe voltage but I wouldn't go over 1.5V for a 32nm chip. That's quite high for a 4.6GHz clock. I don't think 1.5V is stock for a 4170, is it?! eek.gif

Try decreasing the voltage to stock and increasing it bit by bit until you are stable in Prime 95 or 10 Intel Burn Tests. Try going as low as 1.25V to start with.
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post #3 of 58
Thread Starter 
AMD FX-4170 stock voltage is 1,4125v it is designed use for 4200mhz stock frequency. What you say that your device makes me thinking is really good thing decreasing stock voltage and same time increasing stock frequensy when overclocking?? i cant get stable cpu if i go 4800mhz with 1,5125v but i get stable cpu 4600mhz with 1,5125v so i think myself now that 1,5125v can be good voltage for 4600 mhz because 4800 mhz doesnt work anymore with 1,5125v so 4600mhz is close that highbound what i can get with 1,5125v.I havent try can i use 4800mhz if i go over 1,5125v because i dont want kill my cpu i dont know how much voltage my cpu should really stand in safe overclocking.
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post #4 of 58
Quote:
Originally Posted by overclocker1 View Post

AMD FX-4170 stock voltage is 1,4125v it is designed use for 4200mhz stock frequency. What you say that your device makes me thinking is really good thing decreasing stock voltage and same time increasing stock frequensy when overclocking?? i cant get stable cpu if i go 4800mhz with 1,5125v but i get stable cpu 4600mhz with 1,5125v so i think myself now that 1,5125v can be good voltage for 4600 mhz because 4800 mhz doesnt work anymore with 1,5125v so 4600mhz is close that highbound what i can get with 1,5125v.I havent try can i use 4800mhz if i go over 1,5125v because i dont want kill my cpu i dont know how much voltage my cpu should really stand in safe overclocking.

Leave the frequency at 4600MHz and decrease the voltage down to 1.4125V. See if it is stable like that.

After that, start increasing the frequency step by step until it is unstable, then increase the voltage until it is stable again.
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post #5 of 58
Quote:
Originally Posted by Edge Of Pain View Post

Leave the frequency at 4600MHz and decrease the voltage down to 1.4125V. See if it is stable like that.

After that, start increasing the frequency step by step until it is unstable, then increase the voltage until it is stable again.

All I know is my FX6100 will need 1.51 volts to 4.6 as well. It all depends on h ow efficient the center is on you mobo.

The maximum safe 24/7 voltage is 1.5, so you might want to lower it a little.

Edit: if you want you can try using 1.5 volts for 240*19 aka 4.56ghz.

Thatwhat I'm running, and it runs cool and quiet. smile.gif
Edited by TheLAWNOOB - 1/26/13 at 5:17am
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post #6 of 58
Thread Starter 
Thanks about advices. I try it little prime95 4600mhz with stock voltage it was stable but computer thinking more time with many commands example windows starting last little bit longer than with 1,5125v . I have calculate how much voltage cpu is made to need with stock and when i using 4600mhz with 1,5125v that is absolytely same ratio what is 4300mhz with 1,4125v. 1,4125v/4300mhz=same voltage for 1mhz what is 1,5125v/4600mhz. AMD FX-4170 is made to works with 4300mhz with automatic turbo with stock voltage 1,4125v. I m now satisfied my current overclock settings 4600mhz 1,5125v cpu are not too hot and cpu/computer works great. If i get more help and tips maybe then i can go over 4600mhz but then must go over 1,5125v and i dont know is that anymore safe for cpu.
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post #7 of 58
Quote:
Originally Posted by overclocker1 View Post

AMD FX-4170 stock voltage is 1,4125v it is designed use for 4200mhz stock frequency. What you say that your device makes me thinking is really good thing decreasing stock voltage and same time increasing stock frequensy when overclocking?? i cant get stable cpu if i go 4800mhz with 1,5125v but i get stable cpu 4600mhz with 1,5125v so i think myself now that 1,5125v can be good voltage for 4600 mhz because 4800 mhz doesnt work anymore with 1,5125v so 4600mhz is close that highbound what i can get with 1,5125v.I havent try can i use 4800mhz if i go over 1,5125v because i dont want kill my cpu i dont know how much voltage my cpu should really stand in safe overclocking.

Here's the best way to start overclocking a PIledriver CPU (general guide)
From the BIOS
1: Load Optimal Defaults
2: Disabled Turbo, Disable Power Saving features, C'n'C, APM, C1e, C6, put LLC to 75% or Ultra High, set the CPU/NB Voltage to 1.25v, save settings and exit the BIOS
3: Back into the BIOS - find what your stock CPU voltage is with turbo disabled (it will be lower now)

I don't think Gigabyte has a Manual Mode for CPU or CPU/NB voltages. But if yours does, then manually set the voltage to whatever it is for the CPU.
Once you have all that set, then you should try and find your max overclock with the stock voltage. It will probably be around an extra 400-500Mhz.

I recommend to test with Prime95, because it will show you if an individual core fails stability. If that happens, then increase the CPU voltage a little.

Each time you increase the CPU Multiplier after you find your max overclock at stock voltages, just increase the cpu voltage by a couple notches and re-test.

If the computer BSOD's then it needs a couple more notches. If just a single core fails, then just increase one notch.

Good Luck
post #8 of 58
Thread Starter 
Thanks for TheLAWNOOB you answer to my important question how much is safe overvoltage for FX-4170. I go with my current settings 4600mhz with 1,5125v it is 0,0125v over safebound but i have powerfull aircooler that keeps cpu enought cool and i get 4600mhz overclocked cpu that works great and computer works great. smile.gif
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post #9 of 58
Thread Starter 
Thanks for ComputerRestore about advice and you talking like professional overclocker. You help me much to overclock AMD FX-4170 with right method it sounds little complex but i will try to use your guide. smile.gif
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post #10 of 58
Thread Starter 
ComputerRestore guide after when step 3 is ready what are CPU/NB votage? CPU voltage? what i should use when starting rising CPU frequensy?
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