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Biostar TA75A+ wrong temps


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Hi.

 

So, as the title says, wrong temps. My BIOS reports the correct temps I think (37-40 celsius) but then, when I start AIDA in Windows, I see values like 11-25 celsius... I think that is not true since I am using air cooling..

 

As said, my motherboard is TA75A+. I saw there is another topic too with same problem. 

 

Also, there is one thing. When i run stability test, AIDA reports my CPU is 46-48 celsius while doing that. The thing is that, is this reliable value then when CPU is under load or should I try to reset my PC and go to BIOS fast and look the "right" temp?

 

CPU is AMD A8-3870K.

 

Here is temps before stability test.

post-14543-0-67577700-1370780586_thumb.png

 

And here is while stability test is running.

post-14543-0-53621900-1370780589_thumb.png

 

 

The question is that, are those values while CPU is under load any reliable or  are they wrong? While idle or normal using they are clearly wrong like you see in first picture. But under load temps, are they any correct?

 

What could this problem be?

 

It is not anything serious, since BIOS reads it correctly and controls the fan correct too. So nothing wrong in hardware, only something is wrong in software. BIOS knows the right temp, controls fan good so no overheating happening. (as you see the CPU fan raised from 800 to 1200rpm in pictures) Software just doesn't read temps correct.. 

If it does matter what cooler I use, my cooler is Thermalright True Spirit 120.

 

If more info needed, I will give them.

 

Edit:

I decided to do reset while running stability test and go to BIOS and BIOS showed CPU Temp as 45 celsius. I reseted my PC when CPU was at 48 celsius. Sure CPU cools few celsius' down while it's not on load while going to BIOS. So it looks like while CPU is on load, the temp is quite correct like it should in AIDA... But while in normal usage, it is wrong in AIDA. But BIOS knows always the right temp. When I start my computer when it has not been used, BIOS reports temps about 29-35 celsius usually when starting up (It's quite warm in my room) and I'm quite sure this is correct. But then AIDA reads temp wrong in normal use/idle. While CPU is on load it looks like AIDA reads temp quite correct.. What causes this?

 

And sorry for my bad english..

 

This story in short: BIOS reads correct temp always, AIDA doesn't. (Except when CPU is load maybe?)

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Please right-click on the bottom status bar of AIDA64 main window --> Sensor Debug --> ISA Sensor Dump.  Copy-paste the full results into this topic.

 

Using that data we may be able to calibrate the AIDA64 sensor module to better support your motherboard.  But please note that the core temperatures are measured via the on-die temperature diode of your processor.  And most FM1, FM2 and AM3+ socket based AMD processors feature a hardware issue in their temperature diodes that yields to very low temperature readouts at idle -- usually way below ambient (room) temperature.  The measured core temperatures only make sense when the CPU is under load.

 


Thanks,

Fiery
 

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------[ AIDA64 v3.00.2500 ]------

------[ Microsoft Windows 7 Home Premium 6.1.7601.18113 Service Pack 1 (64-bit) ]------

------[ Motherboard Info ]------

Motherboard ID      : 63-0100-000001-00101111-102010-Chipset$PROJECTTAG003_BIOS DATE: 04/12/12 10:35:01 VER: 04.06.04
Motherboard Model   : Biostar TA75A+
Motherboard Chipset : AMD A75, AMD K12

DMI MB Manufacturer : BIOSTAR Group
DMI MB Product      : TA75A+
DMI MB Version      : 
DMI MB Serial       : None
DMI SYS Manufacturer: BIOSTAR Group
DMI SYS Product     : TA75A+
DMI SYS Version     : 
DMI SYS Serial      : None
DMI BIOS Version    : 4.6.4

ITE 87xx Port           = 2Eh
ITE 87xx HWMonitor Port = 0E80h
ITE 87xx Device ID      = 8728h
ITE 87xx Version        = 00h

Winbond SuperIO Port              = 00h
Winbond SuperIO HWMonitor Port/60 = 0000h
Winbond SuperIO HWMonitor Port/64 = 0000h
Winbond SuperIO Device ID         = FFFFh

Fintek SuperIO Port           = 00h
Fintek SuperIO HWMonitor Port = 0000h
Fintek SuperIO Device ID      = 0000h

LPC47 SuperIO HWMonitor Port = 0000h
LPC47 SuperIO Device ID      = FFFFh

------[ LM78 ISA Sensor Device at 0E80 ]------

0000  13 14 00 00  FF FF FE FF  FF FF 48 0F  0F F1 4C FF
0010  B4 A7 5E 77  C7 00 00 80  02 02 FF E3  31 A9 A9 A9
0020  4D 83 EE EB  61 B9 B9 8A  8C 07 20 B0  80 30 C0 C0
0030  FF 00 FF 00  FF 00 FF 00  FF 00 FF 00  FF 00 FF 00
0040  46 7F 7F 7F  7F 7F 5F 40  AD 6A D4 00  FF FF FF FF
0050  FF 07 7F 7F  7F 40 00 FB  90 F6 3D 12  60 00 00 00
0060  7F 7F 7F FF  00 02 00 FF  7F 7F 7F FF  00 02 00 FF
0070  0A 14 46 48  20 02 00 FF  FF FF FF FF  FF FF FF FF
0080  00 00 00 00  00 00 00 00  0B 30 01 02  01 00 E1 00
0090  FF 00 00 00  FF 00 00 00  42 99 00 00  01 B3 52 07
00A0  00 2A 2A 2A  2A 2A 2A FF  FF FF FF FF  FF FF FF FF
00B0  FF FF FF FF  FF FF FF FF  FF FF FF FF  FF FF FF FF
00C0  FF FF FF FF  FF FF FF FF  FF FF FF FF  FF FF FF FF
00D0  FF FF FF FF  FF FF FF FF  FF FF FF FF  FF FF FF FF
00E0  FF FF FF FF  FF FF FF FF  FF FF FF FF  FF FF FF FF
00F0  FF FF FF FF  FF FF FF FF  FF FF FF FF  FF FF FF FF

   0029  002A  002B
T:   21    32   176
T:   21    32   176
T:   21    32   176
T:   21    32   176
T:   20    32   176
T:   19    32   176
T:   18    32   176
T:   17    32   176
T:   16    32   176
T:   15    32   176

Reg$20 CPU Core:  r =  77,  r*0.016 = 1.23
Reg$21  CPU Aux:  r = 131,  r*0.016 = 2.10
Reg$22   +3.3 V:  r = 238,  r*0.016 = 3.81
Reg$23     +5 V:  r = 235,  r*0.016 = 3.76
Reg$24    +12 V:  r =  97,  r*0.016 = 1.55
Reg$25    -12 V:  r = 185,  r*0.016 = 2.96
Reg$26     -5 V:  r = 185,  r*0.016 = 2.96

------[ Hudson-2/3 PM2 at 0CD0 ]------

0000  06 00 00 00  00 00 00 00  00 00 00 00  00 00 FF FF
0010  06 00 00 00  00 00 00 00  00 00 00 00  00 00 FF FF
0020  06 00 00 00  00 00 00 00  00 00 00 00  00 00 FF FF
0030  06 00 00 00  00 00 00 00  00 00 00 00  00 00 FF FF
0040  06 00 00 00  00 00 00 00  00 00 00 00  00 00 FF FF
0050  FF FF FF FF  FF FF FF FF  FF FF FF FF  FF FF FF FF
0060  1F 00 00 00  00 00 01 00  00 FF FF 01  00 00 FF FF
0070  01 00 00 FF  FF 01 00 00  FF FF 01 00  00 FF FF FF
0080  FF FF FF FF  FF FF FF FF  FF FF FF FF  FF FF FF FF
0090  00 55 01 00  00 00 00 00  00 00 00 00  00 00 00 00
00A0  00 00 00 00  00 00 00 00  00 FF FF 00  00 00 00 00
00B0  00 FF 55 55  FF 00 00 FF  00 00 00 00  00 00 00 00
00C0  00 00 00 00  00 00 00 00  00 00 00 00  00 00 00 00
00D0  00 00 00 00  00 00 00 00  FF FF FF FF  FF 00 FF 00
00E0  00 00 00 00  00 00 02 00  00 FF 8C 1F  80 FF 1F 0A
00F0  19 0A 02 05  C8 20 80 00  05 06 00 00  08 08 00 02

Reg$59VIN0:  r = $FFFF,  r*0.000046 = 3.0146
Reg$5DVIN1:  r = $FFFF,  r*0.000046 = 3.0146
Reg$61VIN2:  r = $0000,  r*0.000046 = 0.0000
Reg$65VIN3:  r = $0100,  r*0.000046 = 0.0118
Reg$69VIN4:  r = $FFFF,  r*0.000046 = 3.0146
Reg$6DVIN5:  r = $FF00,  r*0.000046 = 3.0029
Reg$71VIN6:  r = $0000,  r*0.000046 = 0.0000
Reg$75VIN7:  r = $0001,  r*0.000046 = 0.0000

------[ Hudson-2/3 PM at 0CD6 ]------

0000  0E 00 4F 4A  00 04 00 02  34 05 04 02  06 21 43 55
0010  FF 0F 00 00  FF 0F 00 00  00 00 00 00  00 00 00 00
0020  00 00 D1 FE  01 00 D8 FE  25 0B 80 00  01 0B 00 00
0030  00 00 00 00  07 00 C0 FE  0C 00 00 00  00 00 00 00
0040  00 00 00 00  00 00 00 88  F1 00 C0 FE  03 00 00 00
0050  1F 00 D0 FE  D0 00 00 97  01 FF 15 44  00 05 00 07
0060  00 08 04 08  08 08 10 08  20 08 B2 00  00 FE BA 00
0070  00 00 00 00  17 00 00 4D  FF FF 00 00  FF FF E0 80
0080  00 18 26 20  00 00 00 00  00 00 00 00  9E 00 80 00
0090  02 05 02 0B  01 00 10 00  00 10 00 01  00 00 00 00
00A0  02 04 00 00  00 00 00 00  00 00 00 00  00 00 00 00
00B0  00 00 8A 00  80 00 05 05  88 00 08 40  02 00 53 C0
00C0  F9 07 58 40  2C 02 00 00  0C 40 28 00  F9 FF FF FF
00D0  00 F4 38 BF  00 00 20 00  15 00 91 00  01 00 10 03
00E0  D8 0C 00 00  00 00 00 02  00 00 00 01  03 17 00 CF
00F0  9D 73 07 00  00 00 00 21  2C 07 00 00  00 00 00 00

------[ ACPI Temperatures & Fans ]------

_TZ_.THM0._TMP             : 
_TZ_.THM1._TMP             : 
_TZ_.THR0._TMP             : 
_TZ_.THR1._TMP             : 
_TZ_.TZ00._TMP             : 
_TZ_.TZ01._TMP             : 
_TZ_.RTMP                  : 
_TZ_.RFAN                  : 
_TZ_.RFAN(0)               : 
_TZ_.RFAN(1)               : 
_SB_.ATKD._HID             : 
_SB_.ATKD.TMPR             : 
_SB_.PCI0.LPC0.EC0_.CCTV   : 
_SB_.PCI0.LPC0.EC0_.LRPM   : 
_SB_.PCI0.LPC0.EC0_.HRPM   : 
_SB_.PCI0.SBRG.EC0_.ECPU   : 
_SB_.PCI0.SBRG.EC0_.TACH(0): 
_SB_.PCI0.SBRG.EC0_.TACH(1): 
_SB_.PCI0.SBRG.EC0_.TAH0   : 
_SB_.PCI0.SBRG.EC0_.TAH1   : 
_SB_.PCI0.SBRG.EC0_.ST00   : 
_SB_.PCI0.SBRG.EC0_.SC01   : 
_SB_.PCI0.SBRG.EC0_.SC02   : 
_SB_.PCI0.SBRG.EC0_.SC03   : 
_SB_.PCI0.SBRG.EC0_.SC04   : 
_SB_.PCI0.SBRG.EC0_.SC05   : 
_SB_.PCI0.SBRG.EC0_.SC06   : 
_SB_.PCI0.PIB_.EC0_.TCRT   : 
_SB_.PCI0.SBRG.EC0_.CTPM   : 
_SB_.PCI0.SBRG.EC__.CPUT   : 
_SB_.PCI0.SBRG.EC__.SYST   : 
_SB_.PCI0.LPC_.EC0_.CTMP   : 
_SB_.PCI0.LPCB.EC0_.CTMP   : 
_SB_.PCI0.LPC_.EC0_.TMP1   : 
_SB_.PCI0.LPC_.EC0_.TMP2   : 
_SB_.PCI0.LPC_.EC0_.TMPI   : 
_SB_.PCI0.LPC_.EC0_.TMPV   : 
_SB_.PCI0.LPCB.EC0_.A1TP   : 
_SB_.PCI0.LPCB.EC0_.A2TP   : 
_SB_.PCI0.LPCB.EC0_.FAN0   : 
_SB_.PCI0.LPCB.EC__.TS1R   : 
_SB_.PCI0.LPCB.EC__.TS2R   : 
_SB_.PCI0.LPCB.EC__.TS3R   : 
_SB_.PCI0.LPCB.EC__.F1FL   : 
_SB_.PCI0.LPCB.EC__.F1FH   : 
_SB_.PCI0.LPCB.EC__.F2FL   : 
_SB_.PCI0.LPCB.EC__.F2FH   : 
_SB_.PCI0.LPC_.H8EC.RTMP   : 
_SB_.PCI0.LPC_.H8EC.LTMP   : 
_SB_.PCI0.LPC_.H8EC.MTMP   : 
_SB_.PCI0.LPC_.H8EC.GTMP   : 
_SB_.PCI0.LPCB.H8EC.CTMP   : 
_SB_.PCI0.LPCB.H8EC.DTMP   : 
_SB_.PCI0.LPCB.H8EC.GTMP   : 
_SB_.PCI0.LPCB.H8EC.ITMP   : 
_SB_.PCI0.LPCB.H8EC.MTMP   : 
_SB_.PCI0.LPCB.H8EC.STMP   : 
_SB_.PCI0.LPCB.H8EC.PFAN   : 
_SB_.PCI0.LPCB.EC0_.OTPC   : 
_SB_.PCI0.LPCB.EC0_.VGAT   : 
_SB_.PCI0.LPCB.EC0_.CHPT   : 
_SB_.PCI0.LPCB.EC0_.CPUT   : 
_SB_.PCI0.LPCB.EC0_.SYST   : 
_SB_.PCI0.LPCB.EC0_.DTS1   : 
_SB_.PCI0.LPCB.EC0_.DTS2   : 
_SB_.PCI0.LPCB.EC0_.DIMM   : 
_SB_.PCI0.LPCB.EC0_.FANH   : 
_SB_.PCI0.LPCB.EC0_.FANL   : 
_SB_.PCI0.LPCB.EC0_.CUTP   : 
_SB_.PCI0.LPCB.EC0_.PHTP   : 
_SB_.PCI0.LPCB.EC0_.DIMT   : 
_SB_.PCI0.LPCB.EC0_.INLE   : 
_SB_.PCI0.LPCB.EC0_.PANT   : 
_SB_.PCI0.LPCB.EC0_.F0RM   : 
_SB_.PCI0.LPCB.EC0_.F0DT   : 
_SB_.PCI0.LPCB.EC0_.F1RM   : 
_SB_.PCI0.LPCB.EC0_.F1DT   : 

There is ISA Sensor Dump. And yes, that what you said happens. Way below ambient room temp like you said and makes sense when under load. 

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Thank you for the feedback.  As I wrote above...

 

"But please note that the core temperatures are measured via the on-die temperature diode of your processor.  And most FM1, FM2 and AM3+ socket based AMD processors feature a hardware issue in their temperature diodes that yields to very low temperature readouts at idle -- usually way below ambient (room) temperature.  The measured core temperatures only make sense when the CPU is under load"

 

... core temperatures are independent from motherboard sensor calibration, and the issue you experience cannot be fixed from software, since it's a hardware issue.

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