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AMD FX-4100 0celcius

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December 23, 2012 10:30:13 AM

Hello everyone, I want to thank you all in advance for helping me out.

My Build:
Biostar A880GZ
AMD FX-4100 with Coolermaster TM3
G.skill 1600 2x4gb
Raidmax 530watt
Sapphire hd6770 1gb


I have 3 issues.

#1 Under coretemp and hwmonitor, my temperature is always 0 Celsius and the highest i was able to achieve is 27c under prime95 running. When i checked in the bios, the temperature is usually around 20c-24c.
Although I do believe the temp in bios sounds more legit, I still believe that these temperature for the FX4100 seems a little too good. =)

#2 HWmonitor only shows 1 temperature under the AMD FX-4100 tab, while I see most others with 4 core temperatures. Weird?


#3 I recently start having issues whenever i open up a game, within 5 mins, my screen would Black out and the only way to solve this was do a hard reboot. I am suspecting this has something to do with #1. I have already tried reseating the gpu and rams. I also have ran memtest86 which is good.


Well, I hope you guys can help me as much as possible, anything would be great!

Thank you.

More about : amd 4100 0celcius

a b à CPUs
December 23, 2012 12:00:40 PM

Hi :) 

Check temps in BIOS (these will be accurate)

You are NOT running at 0 degrees....

All the best Brett :) 
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a b à CPUs
a b À AMD
December 23, 2012 12:17:34 PM

zero degrees C is 32 degrees F isn't it? so it's running at 32f idle. take you 27c multiply x2........and add 32....?????
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a b à CPUs
December 23, 2012 1:19:29 PM

swifty_morgan said:
zero degrees C is 32 degrees F isn't it? so it's running at 32f idle. take you 27c multiply x2........and add 32....?????



Hi :) 

32f = FREEZING ... i repeat, you are NOT running at 0 degrees... (unless you live with Santa..lol)

All the best Brett :) 
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a b à CPUs
a b À AMD
December 23, 2012 1:46:15 PM

sorry brett but you don't get it. Celsius' "zero" is 32 degrees ( F ).
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a b à CPUs
December 23, 2012 2:04:39 PM

swifty_morgan said:
sorry brett but you don't get it. Celsius' "zero" is 32 degrees ( F ).



Hi :) 

32F = FREEZING ...31 f = minus 1 degrees...etc

All the best Brett :) 
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Anonymous
a b à CPUs
December 23, 2012 5:00:51 PM

Brett928S2 said:
Hi :) 

..31 f = minus 1 degrees...etc

All the best Brett :) 


No it isn't, a Celsius degree is larger than a Fahrenheit degree, 31F is actually -0.5C

1 degree of F is 5/9 of a degree Centigrade, by your example water would boil at 132 degrees Fahrenheit.

Kelvin and Centigrade have equal increments, just that Kelvin starts at absolute zero or -273C/-460F
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a b à CPUs
December 23, 2012 5:04:52 PM

Quote:
No it isn't, a Celsius degree is larger than a Fahrenheit degree, 31F is actually 0.5C

1 degree F is 5/9 of a degree Centigrade, by your example water would boil at 132 degrees Fahrenheit.

Kelvin and Centigrade have equal increments, just that Kelvin starts at absolute zero or -273C/-460F


Hi :) 

Please try and read properly...

I NEVER said any degrees were the same...

I SAID >> 31F =minus 1 degrees... that's F not C...

SO...

30 F = minus 2 DEGREES (F)

29 F = minus 3 DEGREES (F)

ETC...

ETC..

All the best Brett :) 
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Anonymous
a b à CPUs
December 23, 2012 5:16:25 PM

31F is 31F - it isn't minus anything unless you're converting to another measurement system.

"30 F = minus 2 DEGREES (F)

29 F = minus 3 DEGREES (F)"

Makes no sense at all.

Now you could say that 30F is 2F under the freezing point of water but that doesn't make it minus anything F, and if that is what you're trying to say then perhaps you should make yourself clearer.
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a b à CPUs
December 23, 2012 5:22:40 PM

Quote:
31F is 31F - it isn't minus anything unless you're converting to another measurement system.

"30 F = minus 2 DEGREES (F)

29 F = minus 3 DEGREES (F)"

Makes no sense at all.

Now you could say that 30F is 2F under the freezing point of water but that doesn't make it minus anything F


Hi :) 

It makes no sense to you as you are not English, it makes perfect sense to us....

When a weather forecaster here says it will be MINUS 2 degrees here, we understand it will be 30 degrees Fahrenheit ...

All the best Brett :) 
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a c 132 à CPUs
a b À AMD
December 23, 2012 5:24:41 PM

Just ignore it. Either the sensors are not accutate OR the software needs some kind of update in the future.

If you use hardware monitor, you should also me able to see the MB bios temps as well.

http://www.cpuid.com/softwares/hwmonitor.html

0 chance of running under room temps as said above.
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a b à CPUs
December 23, 2012 5:31:02 PM

Brett928S2 said:
Hi :) 

It makes no sense to you as you are not English, it makes perfect sense to us....

When a weather forecaster here says it will be MINUS 2 degrees here, we understand it will be 30 degrees Fahrenheit ...

All the best Brett :) 


I am English, how very presumptuous of you to think I am not.

Pretty much every weather forecast in the UK is given in degrees Celsius, so when I hear that it will be minus 2 I understand that it will be minus 2 Centigrade which isn't +30F it's +28.4F. In fact when I hear weather forecasts I don't think what it will be in Fahrenheit at all unless someone asks me.
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a b à CPUs
December 23, 2012 5:36:27 PM

Hi :) 

Back to helping the OP... look in the Bios....

All the best Brett :) 
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December 23, 2012 8:02:32 PM

Haha, Thanks everyone for the quick responses.

I'm also pretty sure I am not running at those temps. However, I would hope to know why others are not having this issues. I have seen others with the same cpu on HWmonitor and Coretemp showing all four core temps and the correct temperatures.

I have already tried:
-- Updating Biostar A880gz to the newest bios

-- reset my 1600ddr timing to 1333 ddr timing since the motherboard specific (nonOC) should be at 1333.

-- tried smart fan control on and off

-- tried reseating the gpu and memory
I am still getting weird temps and having the BLACK screen of death (crash) whenever I run a game for few minutes.

Could this be a faulty cpu? motherboard? ram? psu?

Please let me know if there are any additional info that you might need to help the situation.

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December 23, 2012 8:05:56 PM

nukemaster said:
Just ignore it. Either the sensors are not accutate OR the software needs some kind of update in the future.

If you use hardware monitor, you should also me able to see the MB bios temps as well.

http://www.cpuid.com/softwares/hwmonitor.html

0 chance of running under room temps as said above.


Thanks Nuke for the input. =)

I have tried searching on the HWmonitor website and googled but is it possible that you tell me how i can see the motherboard bios temp in HWmonitor?

THank you.
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a b à CPUs
December 23, 2012 8:15:26 PM

Hi :) 

So what is the temp in the bios ?

All the best Brett :) 
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December 23, 2012 9:05:47 PM

Brett928S2 said:
Hi :) 

So what is the temp in the bios ?

All the best Brett :) 


The temps in the bios is 22celsius.

I have just disabled most of the power saving settings in bios and made the cpu to constantly run at 3.6ghz (before it would range from 1.4ghz to 3.6), the hwmonitor is showing 15c constant during normal websurfing.

Thank you.
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a b à CPUs
December 23, 2012 9:19:14 PM

I guess i know the answer

You said it was written in the ios 22c right ? You room might be at that temperature and sensors MIGHT do this : Cpu T - Room T = Real CPU T which equals 0 in this case ....

it's a bit crazy but it's the only thing i can see ...


And the reason for you freezing could be because of your chip. It happened to me with an Athlon II X2 250

If it was too cold, it wouldn't boot into Windows and that's something that happens to alot of AMD processor's

The only available fix would be to try with another board or to get your room temps to increase to 30c and up, but also to try to get it under 20c to see what happens


When you tried what i told you write here what happens
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a c 132 à CPUs
a b À AMD
December 23, 2012 9:51:12 PM

Balance said:
The temps in the bios is 22celsius.

I have just disabled most of the power saving settings in bios and made the cpu to constantly run at 3.6ghz (before it would range from 1.4ghz to 3.6), the hwmonitor is showing 15c constant during normal websurfing.

Thank you.

Open HWmon, you will see a list of sensors.

If you run prime, you will see a sensor move up faster then all others. It will be on of the TMPIN#'s(OR CPUTIN on some boards) in most cases

On some boards it may not be at the sensor marked CPUTIN(my Asus Maximus IV Gene-z CPUTIN always shows 60, it is TMPIN3).


In the case of this board(H55N USB3), This is the board and cpu sensor. The 89c max is a bug. This image was to show the difference from board sensors and integrated sensors.


So run HWmon and run prime95 to see what jumps. Generally the best way to check.
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a b à CPUs
December 23, 2012 10:10:02 PM

Is your 4100 OC'd ? My temp readings went all out of whack when I OC'd my old FX, that was on an AsRock board though.
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a b à CPUs
December 23, 2012 10:11:57 PM

After looking at your HWMonitor readings it seems you have a bad motherboard sensor for the overall CPU temp. Your core temps seem to be accurate and i would just base your readings off of those which are completely acceptable.
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December 23, 2012 10:11:59 PM

nukemaster said:
Open HWmon, you will see a list of sensors.

If you run prime, you will see a sensor move up faster then all others. It will be on of the TMPIN#'s(OR CPUTIN on some boards) in most cases

On some boards it may not be at the sensor marked CPUTIN(my Asus Maximus IV Gene-z CPUTIN always shows 60, it is TMPIN3).


In the case of this board(H55N USB3), This is the board and cpu sensor. The 89c max is a bug. This image was to show the difference from board sensors and integrated sensors.
http://imageshack.us/a/img836/3302/idletempso.png

So run HWmon and run prime95 to see what jumps. Generally the best way to check.


Thanks Nuke.

I did previously ran Prime 95 and only tmpn0 went up (to 27c max and stayed there which i believe should be incorrect).

Exactly like your pictures, which shows 4 core temps, my hwmonitor does not show me that. I have seen others with FX-4100 showing the 4 cores also but i do not. Could this be a cheap motherboard problem?

Regarding about the black screen of death crash, i notice when i disable my cpu smart fan control the problem goes away. When i have it on, for some reason the cpu fan stays put at 980-1000 rpm and does not go up at all. And because i believe the temps i have are not correct, i can't isolate whether it is my temps that is causing the black screen of death or the gpu or the psu.


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a b à CPUs
December 23, 2012 10:14:36 PM

The two different sets are for die temps and the other is the sensor underneath the processor I believe. I use hwinfo and it reads them right my coretemp gadget went crazy and reads wrong. It actually reads backwards. Under stress tests it goes down instead of up its weird. I can get negative C. With my peltier and liquid cooler lol
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December 23, 2012 10:17:23 PM

cmi86 said:
Is your 4100 OC'd ? My temp readings went all out of whack when I OC'd my old FX, that was on an AsRock board though.



I didnt overclocked my fx-4100 however i did reset the dram timing to match my 1600gskill and disabled all the power saving options so my cpu would constantly run at 3.6ghz instead of ranging from 1.4 to 3.6.

I believe the pictures you saw were from Nuke, and i just uploaded my hwmonitor and coretemp. Would be great if you can take a look and give me any insights. =)

By any chance you remember hwmonitor listing core temps under the cpu tab for your old FX?

This is my monitor info:




This is taken from another person online: (with the 4 core temps and everything looking okay)

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a c 132 à CPUs
a b À AMD
December 23, 2012 10:27:09 PM

Well it looks like they have some kind of issues with the sensors. If they worked right, The cpu fan should have increased its speed.
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December 23, 2012 10:41:43 PM

nukemaster said:
Well it looks like they have some kind of issues with the sensors. If they worked right, The cpu fan should have increased its speed.


Do you know whether it is my motherboard problem or cpu problem for not showing the correct temp and the core temps in HWmonitor just like the other person that does?

Also, regarding the smart fan, is this also a motherboard problem?

Thank you.

And here is another picture of prime running.

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a c 132 à CPUs
a b À AMD
December 23, 2012 10:53:07 PM

I am not sure about your system, but they used to say that the onboard thermal sensors are not too accurate until they get near the top end temperatures.

I would almost have to recommend contacting the motherboard maker to see what they have to say. You seem to have a strange problem.
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December 23, 2012 11:02:08 PM

nukemaster said:
I am not sure about your system, but they used to say that the onboard thermal sensors are not too accurate until they get near the top end temperatures.

I would almost have to recommend contacting the motherboard maker to see what they have to say. You seem to have a strange problem.


My knowledge is quite limited, so are you saying that the problem with the sensors are because of the motherboard and not the cpu itself?

I just want to know what hardware is causing the issue so I am able to contact the specific manufacturer.

Thank you.
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a c 132 à CPUs
a b À AMD
December 24, 2012 12:03:40 AM

Both sensors seem to be off, after all a full load cpu at 25c. Not too likely with air cooling. I am not sure why the cpu shows that low, but I am sure I have seen some users with cpu on die(integrated as opposed to a board level sensor) sensors show very low as well.

I mean my worse readings are what you saw in my image(board showing 10c under the on die sensors, but that is an Intel setup and is a different animal for the most part.).

A quick Google seems to show more then just you with this strange temperature reading issue.

It is strange, but i am not sure if it will actually cause problems in the future or not.
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December 24, 2012 12:12:41 AM

nukemaster said:
Both sensors seem to be off, after all a full load cpu at 25c. Not too likely with air cooling. I am not sure why the cpu shows that low, but I am sure I have seen some users with cpu on die(integrated as opposed to a board level sensor) sensors show very low as well.

I mean my worse readings are what you saw in my image(board showing 10c under the on die sensors, but that is an Intel setup and is a different animal for the most part.).

A quick Google seems to show more then just you with this strange temperature reading issue.

It is strange, but i am not sure if it will actually cause problems in the future or not.



Yep, i see a lot others with the same issue and people without; however, none of them have a solution to the problem caused.

Do you think reseating the cpu and heatsink would help in this matter or should i just request for a change of motherboard?

Given that I did prime95, furmark, memtest86 and none actually crash my system, i believe this might be a motherboard problem. Especially when i turn the smart fan control off, my computer does not have the black screen of death when playing games, but it the fan is extremely loud running at 2600rpm. =(

Thank you Nuke
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a c 132 à CPUs
a b À AMD
December 24, 2012 12:19:37 AM

2600 rpm.....I remember AMD fans over 4000, now that was loud!.

If you have no other settings for fan speed, they yes. See if you can RMA it. With it being new(I guess less then 30 days?) you should at least be able to get it replaced from the same place you got it.

Worst part is that the cpu sensors may never work right either. But at least with board sensors, you can use fan control.
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a b à CPUs
December 24, 2012 3:27:18 AM

Hrmm. I might refer to a possible power supply issue. That raidmax is iffy at best. If it occurs during gaming as you say it does, I would look at the PSU. Cheers.
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December 24, 2012 3:39:11 AM

ohyouknow said:
Hrmm. I might refer to a possible power supply issue. That raidmax is iffy at best. If it occurs during gaming as you say it does, I would look at the PSU. Cheers.


Thanks for the opinion as i am suspecting it might be the psu too.

I previously thought disabling the cpu smart fan control fixed the issue however the black screen freeze came back on after a hour or so of gaming.



My new test right now --

-- load default on bios including not fixing the dram setting and changed the old ide to ahci setting (changing the registry first in windows 7), the black screen has not come on for the last hour yet.

If the black screen freeze occur again, I would switch out the current 6770 gpu with my other one and see if it works.

If not, I'll try doing another memtest with 1 stick at a time on each slot (total of 2) as i did it with both sticks last time with no error.

If that doesnt work, i'll switch our the rams and use another pair that i have.

Then I'll move on to the psu, cpu, then motherboard.

Does this sound like the correct steps?

Is there another way of testing the PSU without using another psu? Does the program OCCT work?


Thank you.
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a b à CPUs
December 24, 2012 3:48:43 AM

Yes the OCCT psu detector would be fine. However, there is a caveat in that it should not be used to test crappy power supplies. The last thing I would want is for your whole system to get fried from that Raidmax. Try another low power GPU and see if it works.
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December 24, 2012 4:01:05 AM

ohyouknow said:
Yes the OCCT psu detector would be fine. However, there is a caveat in that it should not be used to test crappy power supplies. The last thing I would want is for your whole system to get fried from that Raidmax. Try another low power GPU and see if it works.


Yikes, the only other gpu i have is another Sapphire hd6770(same as the current one) and a XFX 6850. Although this black screen might be a problem of the power supply but would you know why my temperatures are not showing up correctly on HWmonitor for the FX-4100? and no core temps in HWmonitor also? Is this mostly a motherboard issue or faulty cpu?


Thank you.
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a b à CPUs
December 24, 2012 4:09:54 AM

Mostly a motherboard issue I would suspect. Google search if anybody has had an issue with that Biostar mobo. Also have you tried speedfan for CPU temp? For consistency.
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December 24, 2012 4:14:52 AM

ohyouknow said:
Mostly a motherboard issue I would suspect. Google search if anybody has had an issue with that Biostar mobo. Also have you tried speedfan for CPU temp? For consistency.



I tried googling around and seems like others are having this issues too with the super lower temps on the Fx-4100. No one with my motherboard was on the google list as this is somewhat a budget board.

I have compared speedfan, coretemp, and hwmonitor all showing the same low temperatures. =(

This is my first super budget build and the worst one i ever had. All my other 3 builts are doing fine for over a year with no problems. =(
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a b à CPUs
December 24, 2012 4:30:42 AM

Brett928S2 said:
Hi :) 

Check temps in BIOS (these will be accurate)

You are NOT running at 0 degrees....

All the best Brett :) 

I ran at 0C before!
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