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IDProjectCategoryView StatusDate SubmittedLast Update
0002432SpeedFanHardware supportpublic2015-09-26 22:542019-04-07 15:45
Reportersa5o 
Assigned Toalfredo 
PriorityhighSeveritymajorReproducibilityalways
StatusassignedResolutionopen 
PlatformWindows OSWindows 8.1 ProOS Versionx64
Product Version4.52 beta 
Target VersionFixed in Version 
Summary0002432: Incorrect CPU temperature on AsRock Z68 Extreme3 Gen3
DescriptionUnder load an incorrect CPU temperature is reported on the AsRock Z68 Extreme3 Gen3 motherboard. Idle temperatures seem fine (compared to OpenHardware Monitor and Core Temp), however, on load SpeedFan (4.51 as well as 4.52 Beta2) reports quite lower CPU temperature than other programs.

For example: when running OCCT CPU stress test for 10 minutes OHWM, Core Temp,
Argus Monitor and AsRock AXTU software all report CPU temperature around 45C (with temperatures increasing quickly), while SpeedFan reports CPU temperature only around 38C (and increasing slowly).

I planed using the advanced fan control to spin case fans according to CPU temperature and this prevents me to use the feature.
Steps To ReproduceRun CPU stress test and compare with other monitoring programs.
Also, when gaming MSI Afterburner reports different (higher) CPU
temperatures than SpeedFan - in SpeedFan CPU temperature barely icreases.
TagsNo tags attached.
Motherboard ModelAsRock Z68 Extreme3 Gen3
Video Card ModelMSI GTX970 Gaming
Attached Filespng file icon Speedfan-OHWM_1-load.png [^] (814,794 bytes) 2015-09-26 22:54
png file icon Untitled.png [^] (723,703 bytes) 2015-09-28 22:19

- Relationships

-  Notes
(0007867)
sa5o (reporter)
2015-09-27 00:20

Speedfan report at start:

Win9x:NO 64Bit:YES GiveIO:NO SpeedFan:YES
I/O properly initialized
Linked ISA BUS at $0290
Linked Intel 6 Series SMBUS at $F040
Found nVidia GeForce GTX 970
Linked nVidiaI2C0 SMBUS at $3D403E3F
Linked nVidiaI2C1 SMBUS at $3D403637
Linked nVidiaI2C2 SMBUS at $3D405051
Scanning ISA BUS at $0290...
SuperIO Chip=Nuvoton NCT6776F
WARNING: bad Winbond($5CA3,$C1) identify (NCT6776F,W83677HG-I)
NCT6776F (ID=$C1) found (using SuperIO) on ISA at $290
Scanning Intel SMBus at $F040...
Scanning I2CNVidia SMBus at $3D403E3F...
Scanning I2CNVidia SMBus at $3D403637...
Scanning I2CNVidia SMBus at $3D405051...
Found TOSHIBA DT01ACA300 on AdvSMART
Found Samsung SSD 840 EVO 120GB on AdvSMART
INFO : SCSI DISABLED by user or because iaStorA.sys is installed
Found Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
End of detection
Loaded 0 events
(0007868)
sa5o (reporter)
2015-09-28 22:25
edited on: 2015-09-28 22:26

I uploaded a picture of default OHWM, custom OHWM (that shows the correct CPU
temperature, as well as the +5v voltage) and the CPUID HWMonitor. CPUID Hardware
Monitor shows the same CPU temperature as Speedfan (and default OHW), however,
it also shows a 4th sensor TMPIN3 that shows the correct CPU temperature - the
same as the custom OHWM and AsRock's AXTU software.

If you wish I can e-mail you the default and custom OHWM - maybe you can compare
what is the difference in the sensor settings. Let me know at sa5o.gm@gmail.com.

(0008803)
MaxusR (reporter)
2019-01-15 16:26

That's what happens when a project becomes abandonware

- Issue History
Date Modified Username Field Change
2015-09-26 22:54 sa5o New Issue
2015-09-26 22:54 sa5o Status new => assigned
2015-09-26 22:54 sa5o Assigned To => alfredo
2015-09-26 22:54 sa5o File Added: Speedfan-OHWM_1-load.png
2015-09-27 00:20 sa5o Note Added: 0007867
2015-09-28 22:19 sa5o File Added: Untitled.png
2015-09-28 22:25 sa5o Note Added: 0007868
2015-09-28 22:26 sa5o Note Edited: 0007868 View Revisions
2019-01-15 11:47 user5502 Note Added: 0008802
2019-01-15 16:26 MaxusR Note Added: 0008803
2019-04-01 12:43 almico Note Deleted: 0008802
2019-04-04 11:42 user5851 Note Added: 0009172
2019-04-07 15:45 user5877 Note Added: 0009187
2019-04-09 15:46 almico Note Deleted: 0009172
2019-04-09 15:46 almico Note Deleted: 0009187


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