TDA(4) | Device Drivers Manual (sparc64) | TDA(4)

# NAME

`tda` — Philips TDA8444 fan controller

# SYNOPSIS

`tda* at iic?`

# DESCRIPTION

The `tda` driver supports the TDA8444 DAC to adjust the output voltage to the fans on Sun Blade 1000/2000 machines.

The driver watches the internal and external temperature provided by the sensors framework and adjusts the fan speeds accordingly.

# SEE ALSO

iic(4)

# HISTORY

The `tda` driver first appeared in OpenBSD 4.3.

# AUTHORS

The `tda` driver was written by Robert Nagy <robert@openbsd.org> and Mark Kettenis <kettenis@openbsd.org>.

July 16, 2013 | Debian