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IDProjectCategoryView StatusLast Update
0002404SpeedFanHardware supportpublic2016-01-31 12:38
Reportersnowboy Assigned Toalfredo  
Status assignedResolutionopen 
PlatformWindowsOSWindows 10OS VersionTech Preview
Product Version4.50 
Summary0002404: Some temperature sensors not displayed

The fan control works fine with my motherboard (Asus Maximus VII Gene), but two of the temperature sensors do not seem to be displayed. These are the external sensor T_SENSOR1 (which I would like to use to control the fans)and the VRM sensor. Some unknown temperatures are displayed but these do not move. Can you help?

Many thanks.
TagsNo tags attached.
Motherboard ModelAsus Maximus VII Gene
Video Card Model



2015-05-31 20:46


SpeedFan.txt (1,034 bytes)   
Win9x:NO  64Bit:YES  GiveIO:NO  SpeedFan:YES
I/O properly initialized
Linked ISA BUS at $0290
Linked Intel 9 Series SMBUS at $F000
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 NCT6791D
WARNING: bad Winbond($5CA3,$C1) identify (NCT6791D,W83677HG-I)
NCT6791D (ID=$C1) found (using SuperIO) on ISA at $290
Nuvoton NCT6791D at $290 msg : Nuvoton NCT6791D uses base address $0A00 too
Nuvoton NCT6791D at $290 msg : Nuvoton NCT6791D uses base address $0A00 too
DUPLICATE --> Nuvoton NCT6791D from ISA at $0290 WAS ALREADY ADDED AS Nuvoton NCT6791D from ISA at $0290
Scanning Intel SMBus at $F000...
Scanning I2CNVidia SMBus at $3D403E3F...
Scanning I2CNVidia SMBus at $3D403637...
Scanning I2CNVidia SMBus at $3D405051...
Found Samsung SSD 850 PRO 256GB on AdvSMART
Found ACPI temperature
Found Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz
End of detection
Loaded 1 events

SpeedFan.txt (1,034 bytes)   


2016-01-21 22:30

reporter   ~0007952

Still not working with SpeedFan 4.52 beta 4.
ADIA64 displays these two temperatures correctly and shows them as "Temperature#1" and "VRM".


2016-01-31 12:38

reporter   ~0007957


I done a bit more research on the problem. Looking at this post on the HWiNFO forum These temperature sensors (together with other voltages) are read by an embedded controller chip on Asus motherboards not the Nuvoton NCT6791D. The controller is in turn accessed via the AMDA00 Interface Driver.

It would be great if you could incorporate this into SpeedFan.

Many thanks.

Issue History

Date Modified Username Field Change
2015-05-31 20:46 snowboy New Issue
2015-05-31 20:46 snowboy Status new => assigned
2015-05-31 20:46 snowboy Assigned To => alfredo
2015-05-31 20:46 snowboy File Added: SpeedFan.txt
2016-01-21 22:30 snowboy Note Added: 0007952
2016-01-31 12:38 snowboy Note Added: 0007957