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Author Topic: K9N Platinum - Wrong CPU Temperature in BIOS  (Read 17018 times)

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CBR600RRTopic starter

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K9N Platinum - Wrong CPU Temperature in BIOS
« on: 07-November-06, 12:58:54 »

Hi, I have a K9N Platinum (7250-020) with the latest 1.3 BIOS and an AMD X2 3800+. The CPU Temperature in the BIOS has a negative sign in front of it, and it seems to always report -48*C. I tried the latest nVidia nTune and it was reporting the CPU temperature to be 208*C, which is absolutely impossible...
Does anyone have the same problem? I searched around and it seems I'm not the only one, but I still cannot understand if it affects only some K9N Platinums or all...
Thanks.
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Svenomous

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #1 on: 07-November-06, 14:16:40 »

Hello

Not sure what would cause the strange readings but you might want to try Core Temp and see what it says for temps.

Core Temp
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CBR600RRTopic starter

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #2 on: 07-November-06, 15:56:05 »

Hello

Not sure what would cause the strange readings but you might want to try Core Temp and see what it says for temps.

Core Temp

I'll give it a shot later today and let you know, thanks for the tip...
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #3 on: 07-November-06, 16:24:37 »

Could we get full spec's plz and a sig  :biggthumbsup:

https://forum-en.msi.com/index.php?topic=64858.0

https://forum-en.msi.com/index.php?topic=90789.0

https://forum-en.msi.com/index.php?topic=38822.0


I find that MBM5 (motherboard monitor 5)  send my temps wild. Speed fan is another windows based temp reader. Funny that your seeing temps like that in BIOS

What Bios are you running. https://forum-en.msi.com/index.php?board=8.0 

http://www.msi.com.tw/program/products/mainboard/mbd/pro_mbd_list.php?kind=1&CHIP=71&NAME=Socket
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CBR600RRTopic starter

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #4 on: 07-November-06, 17:20:31 »

Could we get full spec's plz and a sig  :biggthumbsup:
I find that MBM5 (motherboard monitor 5)  send my temps wild. Speed fan is another windows based temp reader. Funny that your seeing temps like that in BIOS
What Bios are you running. https://forum-en.msi.com/index.php?board=8.0 

I thought MB exact model + BIOS version were enough, anyways I followed your advice and added detailed specs to my signature.
I don't care much about Windows apps not reporting the correct temperature, what's surprising - as you said - is to see wrong readings in the BIOS itself.
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CBR600RRTopic starter

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #5 on: 07-November-06, 19:57:15 »

Hello
Not sure what would cause the strange readings but you might want to try Core Temp and see what it says for temps.

With CoreTemp, I get correct values, as it reports a temperature of 36-39*C under very light load, on both cores. It's clearly a BIOS issue, as the sensors themselves appear to be ok. I guess I will wait for MSI to fix it in the new BIOS, assuming they are aware of this issue.

PS: thank you, Svenomous, for suggesting CoreTemp...
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Svenomous

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #6 on: 07-November-06, 20:16:47 »

No problem, here is a little article explaining how the program works. Hopefully you can get the bios readings sorted out somehow. :yes:

http://www.overclockers.com/articles1378/
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rogueUK

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #7 on: 08-November-06, 07:54:50 »

It could be a problem with the BIOS, are the 3.3/5/12v rails with in 5% on your PSU ?

Just lately I upgrade a PSU (failing rails) that would restart and state:

CPU fan 0 rpm to 8000 rpm, core temps -20 to 122c and voltages all over the place. I'm not saying its your PSU but its better to be safe than sorry and only takes a few min's to check.

As for MBM5, I could use several programs at the same time, that state near correct temps (software) and BIOS wise. Once MBM5 is started every other program would go crazy temp wise. Until a power down/up.

Have you raised this with MSI as it may not know of it and a later BIOS may address this, if it is a problem issue.

http://www.msi.com.tw/html/about/contact2.htm


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CBR600RRTopic starter

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #8 on: 08-November-06, 16:51:56 »

It could be a problem with the BIOS, are the 3.3/5/12v rails with in 5% on your PSU ?
Have you raised this with MSI as it may not know of it and a later BIOS may address this, if it is a problem issue.

I assume you are talking about checking voltages as reported by the BIOS in the HW Monitor page, not physically checking them with a multimeter, correct?
I'll take a look at the numbers in the BIOS, but last time I checked they were ok.
As for raising the issue with MSI, eventually I will, even if they ask you soooooo many questions (for good reasons, I know...) that it would take me half an hour to fill that form... 

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #9 on: 08-November-06, 17:07:23 »

Always use a multimeter for checking voltages if possible, software readouts can be inaccurate. Here is a little article explaining where to measure from. http://forums.extremeoverclocking.com/showthread.php?t=137886
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #10 on: 09-November-06, 02:51:33 »

Hi, I have a K9N Platinum (7250-020) with the latest 1.3 BIOS and an AMD X2 3800+. The CPU Temperature in the BIOS has a negative sign in front of it, and it seems to always report -48*C. I tried the latest nVidia nTune and it was reporting the CPU temperature to be 208*C, which is absolutely impossible...
Does anyone have the same problem? I searched around and it seems I'm not the only one, but I still cannot understand if it affects only some K9N Platinums or all...
Thanks.

I'm not sure that you might have a bios issues as some people uses the modded bios to solve wrong temp issues others RMA the mobo. In your case, maybe you should RMA your mobo. GD luck.
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rogueUK

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #11 on: 09-November-06, 02:59:20 »

I assume you are talking about checking voltages as reported by the BIOS in the HW Monitor page, not physically checking them with a multimeter, correct?
I'll take a look at the numbers in the BIOS, but last time I checked they were ok.
As for raising the issue with MSI, eventually I will, even if they ask you soooooo many questions (for good reasons, I know...) that it would take me half an hour to fill that form... 



I've checked with both and software is a little out from what a multimeter state's. Only check with a multimeter if your happy to do so. http://forums.extremeoverclocking.com/showthread.php?t=137886 offer good advise if using a multimeter .....

The only issue I see is the AUX connector for 3.3v with ATX2.0 spec (Modular cables etc)


Quote
TheCleaner:

CAUTION: This test involves using probes with the computer ON. Please only do this if you feel competent enough to be dealing with electricity. If you short rails, you could risk damaging the PSU and possibly your components. I cannot be held responsible if something goes wrong, this is merely a guide. If you feel any concern, please post BEFORE doing this, and I will be glad to help.

Contacting MSI would be good to let them know of the problems your having
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #12 on: 10-November-06, 17:42:02 »

I'm not sure that you might have a bios issues as some people uses the modded bios to solve wrong temp issues others RMA the mobo. In your case, maybe you should RMA your mobo. GD luck.
I'll wait for BIOS 1.4 to come out, in any case the MB doesn't seem to have any other problem, and CoreTemp properly reads both cores' temperatures, so overall it's not a big deal. I might RMA the board, but I'm not excited by the idea of having my dekstop down for weeks...
Thank you all for your help.
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #13 on: 12-November-06, 07:12:26 »

I won't RMA.
And I won't be to optimistic on v1.4.

Currently I'm using beta bios v1.44 and I stumbled upon this thread just because I also have wrong temperature readings within the BIOS.
I wonder how the BIOS internal fan control feature is operational if the temperature was read incorrectly?!
This is extremely annoying for I recently managed to acquire and attach a PWM capable CPU cooler/fan (Arctic Frezer 64 pro, a NEW version with 4-pin fan connector) just to be able to use this feature!

However, using Speedfan shows multiple temperatures along with the BIOS determined temps.
It seems to me that 34°C, which has been traced by ISA BUS/Winbond chip is close to the real CPU temp in a near idle mode (only browser running) with an AMD X2 2GHz@2,5GHz. Futhermore the minus BIOS temp does not change according to CPU load.
Surprisingly I wasn't able to conduct cpu fan speed through speedfan, though I disabled the Smart FAN function in the BIOS.

Why on earth is this so hard to implement??  :shocking:
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rogueUK

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #14 on: 12-November-06, 09:58:49 »

Why on earth is this so hard to implement??  :shocking:

Sorry your having problems.

Please note no MSI staff work here, it is a user to user forum. Forum staff (mod's) and members offer time and info with out any Imbursement.

But please start a new thread relating to your hardware/issue's (copy/paste it even offer a link to this one) Could we get full spec's plz and a sig  biggthumbsup

https://forum-en.msi.com/index.php?topic=64858.0

https://forum-en.msi.com/index.php?topic=90789.0

https://forum-en.msi.com/index.php?topic=38822.0

Thanks
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MSI K8N Neo4 Platinum (BIOS 1.D).
Arctic Cooling Freezer 64 with 80mm fan.
X2-3800+ Toledo @ stock.
4x 512 2.6V, Crucial CT6464Z40B (2.5-3-3-7-2T)  333 MHz
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #15 on: 12-November-06, 12:40:47 »

Hi, I have a K9N Platinum (7250-020) with the latest 1.3 BIOS and an AMD X2 3800+. The CPU Temperature in the BIOS has a negative sign in front of it, and it seems to always report -48*C. I tried the latest nVidia nTune and it was reporting the CPU temperature to be 208*C, which is absolutely impossible...
Does anyone have the same problem? I searched around and it seems I'm not the only one, but I still cannot understand if it affects only some K9N Platinums or all...
Thanks.

I had a similar problem a few months ago with my temp readings; I solved the issue flashing the Bios to 1.31 version.
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #16 on: 13-November-06, 11:41:31 »

I had a similar problem a few months ago with my temp readings; I solved the issue flashing the Bios to 1.31 version.

Where did you get the 1.31 BIOS from? On the MSI website, it seems 1.3 is the latest:
http://www.msi.com.tw/program/support/bios/bos/spt_bos_detail.php?UID=730&kind=1
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #17 on: 13-November-06, 12:15:55 »

Where did you get the 1.31 BIOS from? On the MSI website, it seems 1.3 is the latest:
http://www.msi.com.tw/program/support/bios/bos/spt_bos_detail.php?UID=730&kind=1


latest Beta for K9N Platinum can be found in modded/Beta forum section. (https://forum-en.msi.com/index.php?topic=98047.msg735713#msg735713)




NOTE: Use modded or Beta BIOS versions at your own risk.
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #18 on: 13-November-06, 14:56:34 »

NOTE: Use modded or Beta BIOS versions at your own risk.

Mmmm, I'll wait for it to be officially released, then....
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #19 on: 13-November-06, 16:12:22 »

I don't think I should begin a new thread for CBR600RR asked if someone met similar problems. I did, so here I am.
Also, I don't consider it a hardware problem (my unit here under the desk), the cpu cooler + fan is fully functional.

I'm aware that I normally do not meet tech staff of MSI here to ask them questions or blame them for their products bugs. I didn't mean to hurt anyone, but generally case/component temperature and ventilation management is a sad story with nearly all mainboard manufactures since ages. Look what apple did within one single attempt with the G5 thermal design!
I'm simply disappointed with the situation.
Yeah, I know that the market is a war field and product cycles are short. Sure the focus is elsewhere.

With Coretemp I am able now to conclude relyable temperatures from both cores. Fortunately they won't get too hot under load without further change of fan speeds.

Has anyone tried v1.45 yet to see if the negative sign has gone?
thx.



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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #20 on: 13-November-06, 17:47:34 »

Has anyone tried v1.45 yet to see if the negative sign has gone?

I didn't quite understand your email, anyways I seem to understand you are currently running BIOS 1.44 and you still don't get correct reading in the BIOS, am I right? Or you get a correct temperature reading (comparable to what CoreTemp reports) but simply with a negative sign in front of it?

And here a generic question for those who do NOT have this problem: how does your BIOS report the temperature of the two CPU cores? Do you get two numbers? The average? Only one core?
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Gee39

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #21 on: 14-November-06, 08:59:59 »

Hi all,

I just wanted to mention, that I have been watching this thread as I have exactly the same problem -48 temp with K9N and FX-62.  Worse for me is the voltage which incorrectly gets set to 1.7v not 1.35...1.4.  I did not get a solution to the problem, see the thread https://forum-en.msi.com/index.php?topic=98467.0.  I have tried the 1.4x beta bios, and still the same problem apart from I now get the fan speed back. (no reading with earlier bios).  I am not sure if I should RMA or not, as I need my pc and I do not want the down time, but I am concerned about the problem and will continue to watch this thread to see if any solution appears.  Warm regards to all.
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fischpo

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #22 on: 14-November-06, 11:58:06 »

I didn't quite understand your email, anyways I seem to understand you are currently running BIOS 1.44 and you still don't get correct reading in the BIOS, am I right? Or you get a correct temperature reading (comparable to what CoreTemp reports) but simply with a negative sign in front of it?

And here a generic question for those who do NOT have this problem: how does your BIOS report the temperature of the two CPU cores? Do you get two numbers? The average? Only one core?

Which post (email) of both  ;D exactly didn't you understand?

The cpu temperature that is shown in the BIOS in a negative value varies between 43 and 44°.
It doesn't seem to be related to the temperatures in any way which CoreTemp offers for both cores (two different values here also, currently 27/33°C idle, I guess this is the case with your cpu, too, or my heatsink is mal-positioned).
Speedfan alone - well, didn't try MBM - finds a temperature value amongst 3 others, which coresponds to the core#1 value from CoreTemp.
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CBR600RRTopic starter

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #23 on: 14-November-06, 14:42:36 »

The cpu temperature that is shown in the BIOS in a negative value varies between 43 and 44°.
It doesn't seem to be related to the temperatures in any way which CoreTemp offers for both cores (two different values here also, currently 27/33°C idle, I guess this is the case with your cpu, too, or my heatsink is mal-positioned).

Yes, CoreTemp gives me similar readings. I'm glad you too see a difference of about 7*C between the two cores, as I thought I didn't install properly the new cooler or thermal compound (I used Arctic Silver 5, using the method they recommend). With the stock cooler, I was getting slightly less of a difference between the two cores (about 5*C), but at this point I think I should not worry about it. Probably the two cores or sensors are positioned differently within the CPU package itself, and core #0 either runs cooler than #1, or its sensor is farther than #1's.
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fischpo

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #24 on: 14-November-06, 14:52:20 »

...or one is more stressed than the other...  :-))
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #25 on: 14-November-06, 16:05:48 »

Has anyone tried v1.45 yet to see if the negative sign has gone?
thx.

yep, one mate has been tested, brief and details here: https://forum-en.msi.com/index.php?topic=98047.msg752582#msg752582
Wrong BIOS temp reading isn't fixed but OC potential is improved based on his report.
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #26 on: 29-November-06, 14:27:15 »

I got the problem with the negative temperature as well.

Additionally both Fan-Speed-Displays in the CoreCenter don't work (CPU shows 0, Sys shows 146??!!)

The DualCoreCenter doesn't work at all for me, it crashes the PC everytime I change the values^^
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #27 on: 05-December-06, 05:53:46 »

just be patience. showing negative temp in BIOS isn't so terrible, until you can monitor just fine via software. guess you don't reboot so often to observe temp in BIOS. issue soon will be fixed i believe. also there is a 3 new betas, i have been test each one last 2 version isn't good, best one is still ver. 1.45 but wrong temp bug still exist. just be patience, i will keep you informed when new good version with "BIOS temp fix" is solved(betas or official).
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #28 on: 05-December-06, 06:38:31 »

It's not a "cosmetical issue", but the hardware auto-fan-control doesn't work, because if I set it to 45°C the control is just happy, because -36°C is far below that =P
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #29 on: 05-December-06, 06:50:58 »

It's not a "cosmetical issue", but the hardware auto-fan-control doesn't work, because if I set it to 45°C the control is just happy, because -36°C is far below that =P
true.
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CBR600RRTopic starter

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #30 on: 03-January-07, 09:11:49 »

Quick update on this subject: latest 1.4 official BIOS does NOT solve the problem...
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #31 on: 03-January-07, 10:47:17 »

Quick update on this subject: latest 1.4 official BIOS does NOT solve the problem...
hope to be fixed into newest release.
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Little-Iron

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #32 on: 04-January-07, 20:29:05 »

hope to be fixed into newest release.

  THIS MAY HELP - NOT SURE , I HAD PROBLEMS WITH CORECENTER ALSO ON A Neo-4 Platinum while useing a Opteron 170 dual core. I remove corecenter and install  PcAlert4 . It only reads 1 core and systems temp+ different Fan speeds. It does work good for me , no more split second game freeze's.
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Little-Iron

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #33 on: 05-January-07, 00:16:33 »

Hello

Not sure what would cause the strange readings but you might want to try Core Temp and see what it says for temps.

Core Temp


   Thanks for the tip - it works great  on my Opteron 170
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CBR600RRTopic starter

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #34 on: 06-January-07, 10:13:59 »

Quick update on this subject: latest 1.4 official BIOS does NOT solve the problem...

Update to the update: the new BIOS causes my USB mouse to be not detected after a cold boot. Someone else created a new topic on this specific problem, so please do not post msgs about that in here. Thanks.
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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #35 on: 06-January-07, 12:01:43 »

Quick update on this subject: latest 1.4 official BIOS does NOT solve the problem...

The -30-40°C via the onboard sensor chip cannot be fixed by BIOS update on MSI boards.
If it's a problem for you the board has to be RMA'ed .

I know this is a fact cause I've helped people with K8N Neo4 boards havng the same issue.
And inteviewed them all about this issue .

But with the NF4 board with award bios there was a serious negative effect of the -38°C winbond sensor miscalibration/error
that made theese board freeze when entering cmos .
My fix was only to disable temp reporting showing inside cmos/hw-monitor , this made the board enter cmos settings with the "del" key without freezing with a blinkin' cursor on a black screen.

Btw: Coretemp will always work as it reads directly cpu-diode temp instead of reading via the winbond sensor chip's calibrated tcase temp (as also cmos does in hw-monitor).

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Re: K9N Platinum - Wrong CPU Temperature in BIOS
« Reply #36 on: 02-July-07, 08:38:33 »

Is this "negative CPU temp" the only CPU temperature problem reported for K9N? On my newly-built K9N SLI Platinum (PC 2) the temperature on idle slowly rises to 50C - far too high for an idle temperatur I believe. I would rather not remove the heatsink and redoing the cleaning/thermal grease aplication/mounting procedure and later learn the BIOS temp is unreliable...
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