Description of problem: lm_sensors does not detect "Nuvoton NCT6791D Super IO Sensors" in the versions supplied by F19 and F20. Functionality for this chipset was added in lm_sensors 3.3.5. I just ran into this problem on my ASUS A88X-PRO mainboard, though it sounds like the chipset's present in more than just that one. Version-Release number of selected component (if applicable): F19's 3.3.3 doesn't have support (nor would F20's 3.3.4). lm_sensors 3.3.5 fixes the problem. How reproducible: sensors-detect on a mainboard with an NCT6791D chip. Steps to Reproduce: 1. sensors-detect Actual results: Found unknown chip with ID 0xc803 (logical device B has address 0x290, could be sensors) Expected results: Found `Nuvoton NCT6791D Super IO Sensors' Success! (address 0x290, driver `nct6775') Additional info: The lm_sensors mailing list thread where this change is discussed: http://lists.lm-sensors.org/pipermail/lm-sensors/2013-July/039180.html And the actual commit at their repo: http://lm-sensors.org/changeset/6188
On Fedora 20 manually updating to lm_sensors-3.3.5-5 using the below RPM's resolves the NCT6791D not detecting, sensors now displays all the sensors from the motherboard and allows PWM fan control. lm_sensors-3.3.5-5.fc22.x86_64.rpm lm_sensors-sensord-3.3.5-5.fc22.x86_64.rpm
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