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FCU(4) Device Drivers Manual (macppc) FCU(4)

fcu
Apple Fan Control Unit sensor device

fcu* at iic?

The fcu driver provides support for the Apple Fan Control Unit (FCU). The device controls and monitors fans found in some Apple machines. Fan speed readings and PWM settings are made available through the sysctl(8) interface.

iic(4), intro(4), sensorsd(8), sysctl(8)

The fcu driver was written by Theo de Raadt <deraadt@openbsd.org>.
July 16, 2013 OpenBSD-current