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Overclocking my FX 4300

post #1 of 29
Thread Starter 
Hey there everybody,

I'm working on getting my FX-4300 to 4.5GHz, at least I'm thinking that's a reasonable goal, and I've got a couple questions about how to get there. I've turned off Cool 'N' Quiet and Spread Spectrum already after reading various times that they usually work against overclocking.

Currently, I've got it clocked at 4.2GHz with the multiplier at x21.0 and the V core at 1.400. I know that I should run Prime95 for 12 or even 24 hours to truly deem it stable, but after running it overnight without any errors I'm pretty comfortable that it's stable and that I can continue trying to squeeze some more out of it.

When I went into BIOS and bumped the multiplier up to x22.0, bringing me to 4.4GHz, I booted into Windows just fine and ran Prime95 blended. After 5 minutes, I had a full lock up of my system and had to reset...kind of scared me a little x)

After checking out this site http://www.xbitlabs.com/articles/cpu/display/fx-8350-8320-6300-4300_9.html I felt that more voltage would help me out, so I bumped the V core up to 1.425 and ran Prime95 again. I was able to run it for 26 minutes before another full lock up. Progress, I guess! rolleyes.gif

So before I try to delve any deeper into this on my own, is there anything else I should be doing/disabling? Should I just bring my V core up to 1.5 like the source does in his overclocking? I feel that being able to match his frequency while having a lower V core would be more efficient, right?

Thanks in advance everyone!

-Flat
    
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post #2 of 29
Quote:
Originally Posted by FlatEdge View Post

Hey there everybody,
I'm working on getting my FX-4300 to 4.5GHz, at least I'm thinking that's a reasonable goal, and I've got a couple questions about how to get there. I've turned off Cool 'N' Quiet and Spread Spectrum already after reading various times that they usually work against overclocking.
Currently, I've got it clocked at 4.2GHz with the multiplier at x21.0 and the V core at 1.400. I know that I should run Prime95 for 12 or even 24 hours to truly deem it stable, but after running it overnight without any errors I'm pretty comfortable that it's stable and that I can continue trying to squeeze some more out of it.
When I went into BIOS and bumped the multiplier up to x22.0, bringing me to 4.4GHz, I booted into Windows just fine and ran Prime95 blended. After 5 minutes, I had a full lock up of my system and had to reset...kind of scared me a little x)
After checking out this site http://www.xbitlabs.com/articles/cpu/display/fx-8350-8320-6300-4300_9.html I felt that more voltage would help me out, so I bumped the V core up to 1.425 and ran Prime95 again. I was able to run it for 26 minutes before another full lock up. Progress, I guess! rolleyes.gif
So before I try to delve any deeper into this on my own, is there anything else I should be doing/disabling? Should I just bring my V core up to 1.5 like the source does in his overclocking? I feel that being able to match his frequency while having a lower V core would be more efficient, right?
Thanks in advance everyone!
-Flat

Going from memory... Disable these:

C1e
turboCore
C6 state
CPU spread spectrum
Cool and Quiet
APM
Maybe something else? I feel like I'm forgetting something.

The easiest and most effective way to overclock (also realistically the slowest) is to completely ignore your voltages until you have problems, move up 1 multi at a time, stress test it for at least an hour (depending on the stress test used,) and repeat until you fail a stress test.

You must watch your temps. Keep Core temps under 62C, and CPU temps under 70C (on AMD boards, CPU = socket temps, and Core temps = package/core temps) If you're going to overclock, it might be wise to invest in aftermarket cooling.

If you fail a stress test, bump your vCore a little, BUT DON'T just assume, and then just start throwing V and GHz at it.
post #3 of 29
Thread Starter 
Quote:
Originally Posted by m0bius View Post

Going from memory... Disable these:
C1e
turboCore
C6 state
CPU spread spectrum
Cool and Quiet
APM
Maybe something else? I feel like I'm forgetting something.
The easiest and most effective way to overclock (also realistically the slowest) is to completely ignore your voltages until you have problems, move up 1 multi at a time, stress test it for at least an hour (depending on the stress test used,) and repeat until you fail a stress test.
You must watch your temps. Keep Core temps under 62C, and CPU temps under 70C (on AMD boards, CPU = socket temps, and Core temps = package/core temps) If you're going to overclock, it might be wise to invest in aftermarket cooling.
If you fail a stress test, bump your vCore a little, BUT DON'T just assume, and then just start throwing V and GHz at it.

Understood.

I'll take a look at C1e, C6 state, and APM. I forgot to mention I already disabled turbo core.

I did invest in aftermarket air cooling in the form of a cooler master hyper 212 evo when I put my rig together, and the CPU temperature under load hasn't gone any higher than 47C; the motherboard at 45C. I haven't failed at all at 4.2GHz, it's when I try to reach my goal I start failing (lol). Because I am failing the stress test when I try to reach 4.4Ghz at 1.425V, then I should just bump the vCore up gradually, starting at 1.4375V, and then see if it's stable?
    
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post #4 of 29
hi im thinking of getting the fx 4300 and overclocking it and im getting Asus M5A99X EVO AM3 DDR3 Motherboard
post #5 of 29
Quote:
Originally Posted by FlatEdge View Post

Understood.
I'll take a look at C1e, C6 state, and APM. I forgot to mention I already disabled turbo core.
I did invest in aftermarket air cooling in the form of a cooler master hyper 212 evo when I put my rig together, and the CPU temperature under load hasn't gone any higher than 47C; the motherboard at 45C. I haven't failed at all at 4.2GHz, it's when I try to reach my goal I start failing (lol). Because I am failing the stress test when I try to reach 4.4Ghz at 1.425V, then I should just bump the vCore up gradually, starting at 1.4375V, and then see if it's stable?

Yes, gradually bump your vcore when you start failing stress tests. Once you are stable/not failing, go up one multi and then start the process over. The higher you go, the more you need to bump your vcore.

The 212+ is a very good buy for what it costs, but it will not handle top of the line overclocks, so don't be terribly dissapointed with less the 5GHz (although it is possible.)
post #6 of 29
Thread Starter 
Oh I'll be more than happy with 4.5GHz! If and when I try out water cooling in a future build I'll try shooting for 5.0Ghz but until then, I'll see what I can do thumb.gif

I'll be sure to post when I reach my first goal, thank you again for your help and feedback!

-Flat
    
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post #7 of 29
Thread Starter 
A bit of an update trying to be stable at 4.4GHz, I've been gradually bumping the V core up which has been allowing me to run Prime95 longer after each bump.

Last test I set it to 1.4500V and was able to run Prime95 blended for a little over 5 hours before total lock up. Temperatures were fine at 50C. Logic for me right now is just keep carefully bumping the V core up in voltage until stable, but what caught my eye is that in the main thread window, Prime95 is optimizing for Bulldozer CPU architecture... Isn't FX 4300 a part of Piledriver? Am I running an outdated version of Prime95, or is my system recognizing my CPU incorrectly?

Any help or info to put me at ease is much appreciated guys,

-Flat
    
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post #8 of 29
Bulldozer is the architecture, Piledriver is an update/optimization to the physical structure of the chip to improve power usage and clocks. They are exactly the same as far as software is concerned though, so its nothing to worry about.
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post #9 of 29
Thread Starter 
Quote:
Originally Posted by KarathKasun View Post

Bulldozer is the architecture, Piledriver is an update/optimization to the physical structure of the chip to improve power usage and clocks. They are exactly the same as far as software is concerned though, so its nothing to worry about.

Thanks for the info! Now I've got another question with this update

With my Prime95 blend test failing after a little more than 16 hours at 4.4GHz (x22 multiplier) and a v core voltage at 1.4625 (This fail was another full lock up) I decided to settle with trying for 4.3GHz, which was surprisingly easier.

The V core is set at 1.4250 and ran through Prime95 very nicely for 25 hours before I stopped it with 0 errors. This kind of baffles me... is 4.4GHz really that much harder to obtain than 4.3GHz? Is something in my build (in sig) limiting me? Maybe a little boost to the NB could help?

Thanks for the help guys, and to anyone overclocking their own FX4300, I hope this is helping you out, too!

-Flat
    
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post #10 of 29
The Extreme 3 board has a 4+1 VRM design, it could be getting a bit hot if using a tower cooler. Mostly because tower coolers don't circulate air close enough to the motherboard to adequately cool the small heatsink on them.

On my 970 Extreme 3 setups I use a small fan on the VRM heatsink when going much above 4.4. Without the fan the VRM heatsink would quickly climb to 70-80c, meaning that the FET's are probably seeing close to their maximum rated temps. At temps that high their output starts to fall off, possibly causing voltage droop. BD just sucks so much power that 4+1 boards have trouble keeping up while overclocking.

Even so, I have used these boards to get 4.7 24/7 stable with FX-4100's while using additional cooling on the VRM heatsink.

To properly test, use OCCT. It will report voltages in realtime, as well as graphing them. This will allow you to see what your vcore is at full load, as well as how the voltage falls off with increased component temperatures as time goes on.

Also, on my FX-4100's, I have seen a large spread of chip quality. Some only need 1.45v for ~4.6 Ghz (that chip can go up to 4.75 100% stable), some need ~1.5v for the same speed (which is where they top out, regardless of voltage).
Edited by KarathKasun - 12/27/12 at 6:44pm
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