Motherboard: H470M-ITX/ac
BIOS: American Megatrends ver: P1.20 date: 05/18/2020
System: Linux Mint 20 Ulyana base: Ubuntu 20.04 Kernel: 5.4.0-54-generic x86_64 bits: 64 compiler: gcc v: 9.3.0
Here's a picture of the Hardware Page of the Advanced BIOS Settings:
https://drive.google.com/file/d/1RLgIsVHbYrNdZDwpGCqHEXxlqCfgxXSb/view?usp=sharing
The BIOS shows:
2 temperature Sensors
CPU Temp
M/B Temp
3 Fan Sensors
CPU Fan1
Chassis Fan1
Chassis Fan2
5 Voltage Sensors
CPU Vcore Voltage
PCH Voltage
+ 12.00V
+ 5.00V
+ 3.30V
The Linux Kernel Driver (5.4.0-54 is the latest version) decodes the Super I/O Chip used on the H470M-ITX/ac as a Nuvoton nct6798. I have tried everything I could think of to try to get a datasheet or info on the nct6798. On the Nuvoton website it's like the chip doesn't exist.
Here is the lm sensors report for my H470M-ITX/ac.
in0: 656.00 mV (min = +0.60 V, max = +1.00 V)
in1: 1.02 V (min = +0.95 V, max = +1.05 V)
in2: 3.47 V (min = +0.00 V, max = +0.00 V) ALARM
in3: 3.46 V (min = +3.30 V, max = +3.65 V)
in4: 1.02 V (min = +0.00 V, max = +0.00 V) ALARM
in5: 144.00 mV (min = +0.00 V, max = +0.00 V) ALARM
in6: 128.00 mV (min = +0.00 V, max = +0.00 V) ALARM
in7: 3.47 V (min = +3.30 V, max = +4.08 V)
in8: 3.22 V (min = +3.14 V, max = +3.47 V)
in9: 512.00 mV (min = +0.00 V, max = +0.00 V) ALARM
in10: 80.00 mV (min = +0.00 V, max = +0.00 V) ALARM
in11: 56.00 mV (min = +0.00 V, max = +0.00 V) ALARM
in12: 1.04 V (min = +0.00 V, max = +0.00 V) ALARM
in13: 152.00 mV (min = +0.00 V, max = +0.00 V) ALARM
in14: 776.00 mV (min = +0.00 V, max = +0.00 V) ALARM
fan1: 1105 RPM (min = 0 RPM)
fan2: 1240 RPM (min = 0 RPM)
fan3: 0 RPM (min = 0 RPM)
fan4: 0 RPM (min = 0 RPM)
fan5: 0 RPM (min = 0 RPM)
fan7: 0 RPM (min = 0 RPM)
SYSTIN: +111.0°C (high = +36.0°C, hyst = +35.0°C) sensor = thermistor
CPUTIN: +30.0°C (high = +36.0°C, hyst = +35.0°C) sensor = thermistor
AUXTIN0: +110.5°C sensor = thermistor
AUXTIN1: +113.0°C sensor = thermistor
AUXTIN2: +114.0°C sensor = thermistor
AUXTIN3: +38.0°C (high = +36.0°C, hyst = +35.0°C) ALARM sensor = thermistor
PECI Agent 0: +31.5°C (high = +36.0°C, hyst = +35.0°C)
(crit = +100.0°C)
in0 to in14 are the chips voltage inputs. I need to know which of those inputs are actually being used for the 5 Voltage Sensors the BIOS actually reads:
CPU Vcore Voltage
PCH Voltage
+ 12.00V
+ 5.00V
+ 3.30V
The fan inputs are not a problem but if anyone has some guidance for the temperatures that would be great.
Once i know how to map the inputs properly I can write a user config file to correct the way the kernel reports the sensor data.
Thanks in advance for taking the time to look this request for help over!
Jeff
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