Hi, I have a system with Supermicro X7DWA-N motherboard, according to the manual it has "Winbond W83627HF w/Hardware Monitor support: W83793" so I've loaded both the w83627hf and w83793 modules and several sensors and fans are detected, however when I try to control fan speed I find that the only pwm output which has any effect is pwm3 and it seems to control all of the fans at once, also pwm1 is locked at 112: ubermicro 0-002f # pwd /sys/devices/pci0000:00/0000:00:1f.3/i2c-0/0-002f ubermicro 0-002f # lspci | grep 1f.3 00:1f.3 SMBus: Intel Corporation 631xESB/632xESB/3100 Chipset SMBus Controller (rev 09) ubermicro 0-002f # ls pwm? pwm1 pwm2 pwm3 pwm4 pwm5 pwm6 pwm7 pwm8 ubermicro 0-002f # cat pwm? 112 0 160 0 0 0 0 0 ubermicro 0-002f # echo 0 >pwm3 ubermicro 0-002f # sensors | grep fan fan1: 1564 RPM (min = 712 RPM) fan2: 1652 RPM (min = 712 RPM) fan3: 1636 RPM (min = 712 RPM) fan4: 1638 RPM (min = 712 RPM) fan6: 2351 RPM (min = 712 RPM) fan7: 1622 RPM (min = 712 RPM) fan8: 1605 RPM (min = 712 RPM) ubermicro 0-002f # echo 140 >pwm3 ubermicro 0-002f # sensors | grep fan fan1: 1973 RPM (min = 712 RPM) fan2: 2089 RPM (min = 712 RPM) fan3: 2064 RPM (min = 712 RPM) fan4: 2051 RPM (min = 712 RPM) fan6: 2755 RPM (min = 712 RPM) fan7: 2048 RPM (min = 712 RPM) fan8: 2002 RPM (min = 712 RPM) Is it possible to gain control of the fans individually? Andy _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors