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[Official] Gigabyte GA-990FXA-Series Owners Thread/Club - Page 313

post #3121 of 12375
Both of you should google 990FXA and hardware monitor. There are lots of people who get wrong or bad reading's with HardWareMonitor on this board. lots of threads have been started on OCN and other place's about the matter. Not to mention when the board first came out this club went though this debate, there is a reason that the club owner posted the info on the sensors on the front page of the club.
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post #3122 of 12375
ok so easy tune is wrong... and all other are right
post #3123 of 12375
Quote:
Originally Posted by KhaoticKomputing View Post

If you remove the -11c alteration you made, I see no problem with the temps, your core temps would be higher than the socket tmep by a few C, which is normal. Another red flag is your lowest recorded core temps... How cold is it in your room? 16c = 60f...

No, my room is at 26 so it's impossible that cpu temp is 10c lower WCed, so Coretemp does have 10c offset. Tmpin2 can be cpu-NB temp but it's not chipset since it's correlated w/ core and easytune cpu temp. Tempin1 can be socket temp, but still having the -10C offset.
Edited by B4rr3L Rid3R - 5/10/12 at 10:55am
post #3124 of 12375
Quote:
Originally Posted by B4rr3L Rid3R View Post

ok so easy tune is wrong... and all other are right

I have never relyed on easytune. I put it in the same basket as ASUS PCProbe software, inaccurate junk at best. Core temp is a decent one, but it take's an average of the core temps( some say it use's the CPU socket) but I have no proof or tech thoughts on the latter theory.

Quote:
Originally Posted by B4rr3L Rid3R View Post

No, my room is at 26 so it's impossible that cpu temp is 10c lower WCed, so Coretemp does have 10c offset. Tmpin2 can be cpu-NB temp but it's not chipset since it's correlated w/ core and easytune cpu temp. Tempin1 can be socket temp, but still having the -10C offset.

And no, Its not the CPU-NB, that reside's in the CPU, as you overclock and add voltage to the CPU-NB your core temps will rise, TMPIN 02 is the sensor for an actual Chip-set on the mother board. That chip control's the PCI and if i'm not mistaken has to deal with how the SB dose its duty's.
I think you all see where I'm headed with this. Best of luck.

EDIT: A theory (never proved one way or the other) was that TMPIN00 relate's to the "sb" temp, but as its labled as "system temp" it could be anything really. I know it might be alot to ask but most all of this stuff has been beaten to death in this club, skimming over the pages might be highly informative.
Edited by KhaoticKomputing - 5/10/12 at 3:31pm
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post #3125 of 12375
I've heard somewhere that there is no way to get Core Temp on AMD CPU due to faulty sensor on AM2/AM3 CPU. In the term of temperature, AMD CPU can only send a throttling command when Critical Temperature is found. Critical temperature value has been fixed in the CPU. When CPU Temp (sensor in socket or Tjunction) value is matched to the CPU's critical Temp which is fixed in the CPU, BIOS then executes throttling command so that CPU may live safe.

All this means we can only believe in CPU Temp sensor fixed in Socket, All readings by this sensor is sent via a bus which is directly connected to Super I/O chip (IT8720F) and can obviously be considered as true reading.

CPU case Temp (Tcase) matters too. AMD says 62c is max CPU case temp. AMD says that because there must be a relation between Tcase and Tctl. There is high chances that if Tcase reaches to 62c, it means Tctl is at max value. All this means we only need to somehow measure CPU case (where thermal paste is applied) temp either by thermal diode or by Infrared temp sensing device.
    
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post #3126 of 12375
Quote:
Originally Posted by sumitlian View Post

I've heard somewhere that there is no way to get Core Temp on AMD CPU due to faulty sensor on AM2/AM3 CPU. In the term of temperature, AMD CPU can only send a throttling command when Critical Temperature is found. Critical temperature value has been fixed in the CPU. When CPU Temp (sensor in socket or Tjunction) value is matched to the CPU's critical Temp which is fixed in the CPU, BIOS then executes throttling command so that CPU may live safe.
All this means we can only believe in CPU Temp sensor fixed in Socket, All readings by this sensor is sent via a bus which is directly connected to Super I/O chip (IT8720F) and can obviously be considered as true reading.
CPU case Temp (Tcase) matters too. AMD says 62c is max CPU case temp. AMD says that because there must be a relation between Tcase and Tctl. There is high chances that if Tcase reaches to 62c, it means Tctl is at max value. All this means we only need to somehow measure CPU case (where thermal paste is applied) temp either by thermal diode or by Infrared temp sensing device.

Never heard this before, but it might be worth looking into? With any luck some one with more info can shed some light on the subject before I have to use some google-fu thumb.gif I honestly wouldn't be surprised if it was true though.
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post #3127 of 12375
this is something interresting for you, i found it on tweakers.net (dutch hardware site), and according to the poster, it was also posted on this forum but here it is again:

***********
Hey guys,

After reading many discussions about what temp (core vs CPU) to use and how high this temperature is I decided to contact AMD themselves.

Now, today, about 3 weeks after first contacting them, I got a PROPER reply from a AMD guy that explains the whole lot.

Note, this is an official AMD Tech Support guy/girl and I trust that he/she knows what he/she is saying.
Quote:
quote: AMD Tech Rep
Dear Customer,

Your service request : SR #{ticketno:[8200474044]} has been reviewed and updated.

Response and Service Request History:

In general, we like to see temperature readings for your CPU around 30-50 C.
The official max is somewhere around 75-80 C depending,

The temperatures you show are not in any danger zones, and what they are useful for is to establish a baseline.
You know what "normal" is now, and if you get instability, and those readings haven't changed, then it probably isn't a heat problem.

You also know that if you see temps significantly higher than that in the future, that you need to check the airflow in your case, or clean the heatsink, or something like that.

Please check also this very good article that provides information on How to check CPU temperature:A complete guide to Check CPU temperature through BIOS or software on all operating system


http://rancidtaste.hubpag...e-on-all-operating-system


In order to update this service request, please respond, leaving the service request reference intact.

Best regards,

AMD Global Customer Care

They recommend the use of speedfan / everest and the BIOS shows the CPU temp which is the one to go by. So, that's one thing finally cleared up, CPU temps matter, not Core.

Optimal temperatures for 24/7 usage are between 30c or lower idle and 50c or lower load. Optimal, meaning they CAN be higher.
I stated in my original question that there was a time their CPU specs mentioned 62.7c as max. That's where the part of not being in the danger zone yet comes in. Meaning, 65c is fine for a AMD CPU and it can withstand a lot more without any damage.

The next bit is him saying 75-80c is the official max. Depending meaning depending on the CPU model, a x2/x3 for example (80c) can probably have a bit more then a x4/x6 (75c).

Then next is the reason why AMD and 3rd parties keep 60c as a max: CPU's CAN get unstable with higher temperatures. They don't have to, but can.

Also, reading this, it makes me believe that the next statement I came up with just now is true:
My highly overclocked CPU runs 73c in LinX and hits 68c in-game but is perfectly stable.
- Nothing wrong with the above. It's within official maxes and the ''baseline'' he spoke about is a temperature at which it's stable. So, nothing wrong then eh!


Now, I have previously tested this, and yes, there's a truth to that cause my CPU does get unstable at about 68c CPU. Cores usually around 60c then. It will crash in a stresstest if I get it any hotter then that number. Can reproduce it perfectly cause every time it hits 68-69c it crashes within 10 minutes while keeping it under that at identical settings passes 2 hours. (Tested with LinX @ 7000MB).

So, let me hear it guys. This any good? smile.gif

***********
this explains that the amd cpu-temps may be higher to around 75-80 degrees. in the 60 to 75 degrees zone, your processor get unstable a lot faster than at a lower temperature but it's not dangerous for your processor. of your cpu is overclocked with a load temp of ~75 degrees and stable, you won't damage your cpu.

this is only about the temps of the AMD processors. maybe also worth to look into? smile.gif
Edited by Fordox - 5/11/12 at 7:02am
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post #3128 of 12375
All of that is well known on the forum lol. I personally like to keep my 955BE at 55c or under for stability issue's with my oc (4.0Ghz and 2800CPU-NB). its also known that the socket temps is pretty useless because the actual core's should be warmer than the socket temp. I have heard that water cooler's can have a higher socket temp than core temp though. Good to have more proof from AMD.
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post #3129 of 12375
I can confirm the above.

Before I reapplied my new thermal paste, my temps would simply rise indefinitely (slowly....but still, indefinitely) As they rose, I would always fail Prime95 sometime after my CPU core temps move past the 58c mark.

Since I've reapplied my thermal paste, my temps never rise above 51c. This simple 7c difference seems to have made ALL difference: I can now easily pass Prime95 with the same OC settings.

Hell I can even pass my ultimate stress test now -- Running 2+ hours of Prime95(blend) AND Unigine looped at the same time. If my rig can do this without crashing I always consider it stable.
    
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post #3130 of 12375
Quote:
Originally Posted by LesPaulLover View Post

I can confirm the above.
Before I reapplied my new thermal paste, my temps would simply rise indefinitely (slowly....but still, indefinitely) As they rose, I would always fail Prime95 sometime after my CPU core temps move past the 58c mark.
Since I've reapplied my thermal paste, my temps never rise above 51c. This simple 7c difference seems to have made ALL difference: I can now easily pass Prime95 with the same OC settings.
Hell I can even pass my ultimate stress test now -- Running 2+ hours of Prime95(blend) AND Unigine looped at the same time. If my rig can do this without crashing I always consider it stable.

Yea, I have taken to recomending that Phenom II user's keep it below 55c for overclocking, 62c for stock smile.gif I have heard of a few phenom's being able to hold a nice OC and get past the mid 50's but it's very rare. Not to mention cooler is always better smile.gif
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