Dear Maintainer, Please enable CONFIG_SENSORS_ARCTIC_FAN_CONTROLLER to enable use of the Arctic Fan Controller. Thanks in advance, Anthony Batchelor lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 2022:0522 HWCX USB info. Bus 001 Device 068: ID 2109:2211 VIA Labs, Inc. USB2.0 Hub Bus 001 Device 071: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 001 Device 072: ID 2109:8886 VIA Labs, Inc. USB Billboard Device Bus 001 Device 073: ID 2109:2812 VIA Labs, Inc. VL812 Hub Bus 001 Device 074: ID 24f0:0140 Metadot Das Keyboard 4 Bus 001 Device 075: ID 291a:3369 Anker PowerConf C200 Anker PowerConf C200 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 003: ID 0e8d:0717 MediaTek Inc. Wireless_Device Bus 003 Device 004: ID 26ce:0a08 Generic USB Audio Bus 003 Device 005: ID 3904:f001 ARCTIC (HK) ARCTIC Fan Controller <<< This one Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 007 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 008 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 009 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 010 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 011 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 011 Device 002: ID 26ce:01a2 ASRock LED Controller sudo sensors -u sudo sensors -u spd5118-i2c-2-53 Adapter: SMBus PIIX4 adapter port 0 at 0b00 temp1: temp1_input: 32.000 temp1_max: 55.000 temp1_min: 0.000 temp1_crit: 85.000 temp1_lcrit: 0.000 temp1_max_alarm: 0.000 temp1_min_alarm: 0.000 temp1_crit_alarm: 0.000 temp1_lcrit_alarm: 0.000 k10temp-pci-00c3 Adapter: PCI adapter Tctl: temp1_input: 71.375 Tccd1: temp3_input: 69.375 Tccd2: temp4_input: 65.875 nct6799-isa-0290 Adapter: ISA adapter in0: in0_input: 1.352 in0_min: 0.000 in0_max: 1.744 in0_alarm: 0.000 in0_beep: 0.000 in1: in1_input: 1.816 in1_min: 0.000 in1_max: 0.000 in1_alarm: 1.000 in1_beep: 0.000 in2: in2_input: 3.424 in2_min: 0.000 in2_max: 0.000 in2_alarm: 1.000 in2_beep: 0.000 in3: in3_input: 3.280 in3_min: 0.000 in3_max: 0.000 in3_alarm: 1.000 in3_beep: 0.000 in4: in4_input: 1.656 in4_min: 0.000 in4_max: 0.000 in4_alarm: 1.000 in4_beep: 0.000 in5: in5_input: 1.096 in5_min: 0.000 in5_max: 0.000 in5_beep: 0.000 in6: in6_input: 0.816 in6_min: 0.000 in6_max: 0.000 in6_alarm: 1.000 in6_beep: 0.000 in7: in7_input: 3.424 in7_min: 0.000 in7_max: 0.000 in7_alarm: 1.000 in7_beep: 0.000 in8: in8_input: 3.376 in8_min: 0.000 in8_max: 0.000 in8_alarm: 1.000 in8_beep: 0.000 in9: in9_input: 1.792 in9_min: 0.000 in9_max: 0.000 in9_alarm: 1.000 in9_beep: 0.000 in10: in10_input: 1.200 in10_min: 0.000 in10_max: 0.000 in10_alarm: 1.000 in10_beep: 0.000 in11: in11_input: 1.040 in11_min: 0.000 in11_max: 0.000 in11_alarm: 1.000 in11_beep: 0.000 in12: in12_input: 1.024 in12_min: 0.000 in12_max: 0.000 in12_alarm: 1.000 in12_beep: 0.000 in13: in13_input: 0.904 in13_min: 0.000 in13_max: 0.000 in13_alarm: 1.000 in13_beep: 0.000 in14: in14_input: 0.992 in14_min: 0.000 in14_max: 0.000 in14_alarm: 1.000 in14_beep: 0.000 in15: in15_input: 0.816 in15_min: 0.000 in15_max: 0.000 in15_alarm: 1.000 in15_beep: 0.000 in16: in16_input: 3.280 in16_min: 0.000 in16_max: 0.000 in16_alarm: 1.000 in16_beep: 0.000 in17: in17_input: 0.928 in17_min: 0.000 in17_max: 0.000 in17_beep: 0.000 fan1: fan1_input: 0.000 fan1_min: 0.000 fan1_alarm: 0.000 fan1_beep: 0.000 fan1_pulses: 2.000 fan2: fan2_input: 272.000 fan2_min: 0.000 fan2_alarm: 0.000 fan2_beep: 0.000 fan2_pulses: 2.000 fan3: fan3_input: 974.000 fan3_min: 0.000 fan3_alarm: 0.000 fan3_beep: 0.000 fan3_pulses: 2.000 AIO: fan4_input: 1068.000 fan4_min: 0.000 fan4_alarm: 0.000 fan4_beep: 0.000 fan4_pulses: 2.000 fan5: fan5_input: 0.000 fan5_min: 0.000 fan5_alarm: 0.000 fan5_beep: 0.000 fan5_pulses: 2.000 fan6: fan6_input: 0.000 fan6_min: 0.000 fan6_alarm: 0.000 fan6_pulses: 2.000 fan7: fan7_input: 0.000 fan7_min: 0.000 fan7_pulses: 2.000 SYSTIN: temp1_input: 36.000 temp1_max: 80.000 temp1_max_hyst: 75.000 temp1_crit: 80.000 temp1_alarm: 0.000 temp1_type: 4.000 temp1_offset: 0.000 temp1_beep: 0.000 CPUTIN: temp2_input: 46.000 temp2_max: 80.000 temp2_max_hyst: 75.000 temp2_crit: 93.000 temp2_type: 4.000 temp2_offset: 0.000 temp2_beep: 0.000 AUXTIN0: temp3_input: 36.000 temp3_max: 80.000 temp3_max_hyst: 75.000 temp3_type: 4.000 temp3_offset: 0.000 AUXTIN1: temp4_input: 15.000 temp4_max: 80.000 temp4_max_hyst: 75.000 temp4_crit: 90.000 temp4_alarm: 0.000 temp4_type: 4.000 temp4_offset: 0.000 temp4_beep: 0.000 AUXTIN2: temp5_input: 23.000 temp5_max: 80.000 temp5_max_hyst: 75.000 temp5_crit: 92.000 temp5_alarm: 0.000 temp5_type: 4.000 temp5_offset: 0.000 temp5_beep: 0.000 AUXTIN3: temp6_input: 26.000 temp6_max: 80.000 temp6_max_hyst: 75.000 temp6_crit: 80.000 temp6_alarm: 0.000 temp6_type: 4.000 temp6_offset: 0.000 temp6_beep: 0.000 SMBUSMASTER 0: temp7_input: 71.000 temp7_max: 80.000 temp7_max_hyst: 75.000 temp7_alarm: 0.000 temp7_beep: 0.000 Virtual_TEMP: temp8_input: 30.000 temp8_max: 80.000 temp8_max_hyst: 75.000 temp8_alarm: 0.000 temp8_beep: 0.000 AUXTIN4: temp9_input: 21.000 AUXTIN5: temp10_input: 30.000 PCH_CHIP_CPU_MAX_TEMP: temp11_input: 0.000 PCH_CHIP_TEMP: temp12_input: 0.000 TSI0_TEMP: temp13_input: 71.375 pwm1: pwm1: 98.500 pwm1_enable: 5.000 pwm1_mode: 1.000 pwm2: pwm2: 0.000 pwm2_enable: 5.000 pwm2_mode: 1.000 pwm3: pwm3: 38.000 pwm3_enable: 5.000 pwm3_mode: 1.000 pwm4: pwm4: 33.500 pwm4_enable: 5.000 pwm4_mode: 1.000 pwm5: pwm5: 48.500 pwm5_enable: 5.000 pwm5_mode: 1.000 pwm6: pwm6: 93.500 pwm6_enable: 5.000 pwm6_mode: 1.000 pwm7: pwm7: 93.500 pwm7_enable: 5.000 pwm7_mode: 1.000 intrusion0: intrusion0_alarm: 1.000 intrusion0_beep: 0.000 intrusion1: intrusion1_alarm: 1.000 intrusion1_beep: 0.000 beep_enable: beep_enable: 0.000 amdgpu-pci-7900 Adapter: PCI adapter vddgfx: in0_input: 1.324 vddnb: in1_input: 1.185 edge: temp1_input: 51.000 PPT: power1_input: 0.131 sclk: freq1_input: 2200000000.000 r8169_0_800:00-mdio-0 Adapter: MDIO adapter temp1: temp1_input: 43.500 temp1_max: 120.000 mt7925_phy0-pci-0900 Adapter: PCI adapter temp1: temp1_input: 31.000 spd5118-i2c-2-51 Adapter: SMBus PIIX4 adapter port 0 at 0b00 temp1: temp1_input: 0.000 temp1_max: 55.000 temp1_min: 0.000 temp1_crit: 85.000 temp1_lcrit: 0.000 temp1_max_alarm: 0.000 temp1_min_alarm: 0.000 temp1_crit_alarm: 0.000 temp1_lcrit_alarm: 0.000 nct6798-isa-0a20 Adapter: ISA adapter in0: in0_input: 1.136 in0_min: 0.000 in0_max: 1.744 in0_alarm: 0.000 in0_beep: 0.000 in1: in1_input: 1.136 in1_min: 0.000 in1_max: 0.000 in1_alarm: 1.000 in1_beep: 0.000 in2: in2_input: 3.440 in2_min: 0.000 in2_max: 0.000 in2_alarm: 1.000 in2_beep: 0.000 in3: in3_input: 3.296 in3_min: 0.000 in3_max: 0.000 in3_alarm: 1.000 in3_beep: 0.000 in4: in4_input: 1.128 in4_min: 0.000 in4_max: 0.000 in4_alarm: 1.000 in4_beep: 0.000 in5: in5_input: 0.128 in5_min: 0.000 in5_max: 0.000 in5_beep: 0.000 in6: in6_input: 0.120 in6_min: 0.000 in6_max: 0.000 in6_alarm: 1.000 in6_beep: 0.000 in7: in7_input: 3.440 in7_min: 0.000 in7_max: 0.000 in7_alarm: 1.000 in7_beep: 0.000 in8: in8_input: 3.296 in8_min: 0.000 in8_max: 0.000 in8_alarm: 1.000 in8_beep: 0.000 in9: in9_input: 0.000 in9_min: 0.000 in9_max: 0.000 in9_alarm: 0.000 in9_beep: 0.000 in10: in10_input: 0.112 in10_min: 0.000 in10_max: 0.000 in10_alarm: 1.000 in10_beep: 0.000 in11: in11_input: 0.112 in11_min: 0.000 in11_max: 0.000 in11_alarm: 1.000 in11_beep: 0.000 in12: in12_input: 1.064 in12_min: 0.000 in12_max: 0.000 in12_alarm: 1.000 in12_beep: 0.000 in13: in13_input: 0.144 in13_min: 0.000 in13_max: 0.000 in13_alarm: 1.000 in13_beep: 0.000 in14: in14_input: 0.824 in14_min: 0.000 in14_max: 0.000 in14_alarm: 1.000 in14_beep: 0.000 fan1: fan1_input: 0.000 fan1_min: 0.000 fan1_alarm: 0.000 fan1_beep: 0.000 fan1_pulses: 2.000 fan2: fan2_input: 0.000 fan2_min: 0.000 fan2_alarm: 0.000 fan2_beep: 0.000 fan2_pulses: 2.000 fan3: fan3_input: 0.000 fan3_min: 0.000 fan3_alarm: 0.000 fan3_beep: 0.000 fan3_pulses: 2.000 fan4: fan4_input: 0.000 fan4_min: 0.000 fan4_alarm: 0.000 fan4_beep: 0.000 fan4_pulses: 2.000 fan5: fan5_input: 0.000 fan5_min: 0.000 fan5_alarm: 0.000 fan5_beep: 0.000 fan5_pulses: 2.000 fan7: fan7_input: 0.000 fan7_min: 0.000 fan7_pulses: 2.000 SYSTIN: temp1_input: 113.000 temp1_max: 80.000 temp1_max_hyst: 75.000 temp1_crit: 127.000 temp1_alarm: 0.000 temp1_type: 4.000 temp1_offset: 0.000 temp1_beep: 0.000 CPUTIN: temp2_input: 46.500 temp2_max: 80.000 temp2_max_hyst: 75.000 temp2_crit: 90.000 temp2_alarm: 0.000 temp2_type: 4.000 temp2_offset: 0.000 temp2_beep: 0.000 AUXTIN0: temp3_input: 113.000 temp3_max: 80.000 temp3_max_hyst: 75.000 temp3_crit: 100.000 temp3_alarm: 1.000 temp3_type: 4.000 temp3_offset: 0.000 temp3_beep: 0.000 AUXTIN1: temp4_input: 118.000 temp4_max: 80.000 temp4_max_hyst: 75.000 temp4_crit: 100.000 temp4_alarm: 1.000 temp4_type: 4.000 temp4_offset: 0.000 temp4_beep: 0.000 AUXTIN2: temp5_input: 118.000 temp5_max: 80.000 temp5_max_hyst: 75.000 temp5_crit: 127.000 temp5_alarm: 1.000 temp5_type: 4.000 temp5_offset: 0.000 temp5_beep: 0.000 AUXTIN3: temp6_input: 36.000 temp6_max: 80.000 temp6_max_hyst: 75.000 temp6_crit: 127.000 temp6_alarm: 0.000 temp6_type: 4.000 temp6_offset: 0.000 temp6_beep: 0.000 AUXTIN4: temp7_input: 114.000 temp7_max: 80.000 temp7_max_hyst: 75.000 temp7_crit: 100.000 temp7_alarm: 1.000 temp7_beep: 0.000 PCH_CHIP_CPU_MAX_TEMP: temp8_input: 0.000 PCH_CHIP_TEMP: temp9_input: 0.000 PCH_CPU_TEMP: temp10_input: 0.000 PCH_MCH_TEMP: temp11_input: 0.000 Agent0 Dimm0: temp12_input: 0.000 pwm1: pwm1: 38.500 pwm1_enable: 1.000 pwm1_mode: 1.000 pwm2: pwm2: 12.500 pwm2_enable: 5.000 pwm2_mode: 1.000 pwm3: pwm3: 38.500 pwm3_enable: 1.000 pwm3_mode: 1.000 pwm4: pwm4: 76.500 pwm4_enable: 1.000 pwm4_mode: 1.000 pwm5: pwm5: 76.500 pwm5_enable: 1.000 pwm5_mode: 1.000 pwm7: pwm7: 127.500 pwm7_enable: 0.000 pwm7_mode: 1.000 intrusion0: intrusion0_alarm: 1.000 intrusion0_beep: 0.000 intrusion1: intrusion1_alarm: 1.000 intrusion1_beep: 0.000 beep_enable: beep_enable: 0.000 nvme-pci-0200 Adapter: PCI adapter Composite: temp1_input: 42.850 temp1_max: 86.850 temp1_min: -0.150 temp1_crit: 88.850 temp1_alarm: 0.000