TDA(4)               OpenBSD Programmer's 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>.

OpenBSD 4.7                     March 17, 2008                               1
