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FX-4170 stock voltage?

post #1 of 7
Thread Starter 
Got a FX-4170 arriving in the mail tomorrow. Since I've never had a bios 'auto' voltage accurate, what should I be setting the vcore to?
post #2 of 7
Go as low as you can before it crashes? Your question is really vague.
    
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post #3 of 7
Load optimized defaults in the BIOS and that will be the stock voltage. However, if you just intend to run it at stock then you can find the optimal voltage by undervolting it and testing for stability.
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post #4 of 7
1.25v should be a good starting point for it.
My 4100 runs smoothly with just 1.230v's used at stock so yours should be similar but I'd actually suggest 1.25v's to start with. Check temps and if all is OK and stable, go with it.

These chips will begin running warmer with as little as 1.30v's used on air so don't go too much past that unless you're OC'ing and your cooling is at least adequate.
Nonstock cooler, watercooling, ect, are the preferred way to go since the stock coolers for these chips aren't that great to start with but any good AM3 based cooler works fine. The retaining collar around the CPU socket is the same as an regular AM3, AM2, Socket 939 or even a Socket 754 for that matter, related to the cooler retention tabs on the collar, not the screws that mounts the collar itself to the board (754 and 939's are two screw mounted while the AM2's and up to present are all 4 screw mounted collars).

Currently using a stock Opty 939 copper heatpiped cooler with my 960T and was using it with my 4100, works great with both chips unless I really start pushing the speeds up.
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post #5 of 7
Thread Starter 
Quote:
Originally Posted by Dopamin3 View Post

Load optimized defaults in the BIOS and that will be the stock voltage. However, if you just intend to run it at stock then you can find the optimal voltage by undervolting it and testing for stability.
Load optimized defaults (in my experience) is never the AMD stock voltage for the cpu. My FX-4170 was assigned 1.39v which I realize people can hit 4.8ghz overclocks on, so that's not correct. My 1055T was assigned 1.44v and that can run @ 1.28v easily
post #6 of 7
my FX 4100 came with stock volts at 1.39v but i was able to run it at 1.29v with a 4.3GHz oc

Edit: @ 1.40v my load temp was 40c and idle: 18c
Edited by Durvelle27 - 9/5/12 at 10:20pm
 
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post #7 of 7
Quote:
Originally Posted by Kryton View Post

1.25v should be a good starting point for it.
My 4100 runs smoothly with just 1.230v's used at stock so yours should be similar but I'd actually suggest 1.25v's to start with. Check temps and if all is OK and stable, go with it.

These chips will begin running warmer with as little as 1.30v's used on air so don't go too much past that unless you're OC'ing and your cooling is at least adequate.
Nonstock cooler, watercooling, ect, are the preferred way to go since the stock coolers for these chips aren't that great to start with but any good AM3 based cooler works fine. The retaining collar around the CPU socket is the same as an regular AM3, AM2, Socket 939 or even a Socket 754 for that matter, related to the cooler retention tabs on the collar, not the screws that mounts the collar itself to the board (754 and 939's are two screw mounted while the AM2's and up to present are all 4 screw mounted collars).

Currently using a stock Opty 939 copper heatpiped cooler with my 960T and was using it with my 4100, works great with both chips unless I really start pushing the speeds up.

Hi guys,

Sorry for bringing up an old thread, but this one seems most relevant to my case.

I also have an FX-4170 at stock speed, paired with a Gigabyte 970A-UD3. I wanted to experiment with under-volting, bringing the stock voltage down from 1.4125V to something more reasonable. Now I know all CPU's are different, however, I can't get my FX-4170 to pass stability tests with anything under 1.3V. The last I tried was with Prime95 at 1.3125V, crashed after 15 minutes. I currently have it at 1.328V, going good so far...

But isn't 1.328V a great deal out of the 1.25V starting point mentioned in the quoted post? Is this normal? Or am I doing something wrong that is preventing my CPU to run at the recommended low voltage.

Help would be much appreciated. Thanks.

EDIT: Cooler is a Xigmatek Gaia SD1283, with 2 Yate Loon D12SH-12 in push-pull. TIM is Arctic Silver 5. Max CPU temp is 25C, as read by HWMonitor.
Edited by Forde3654Eire - 6/13/13 at 5:30am
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