tco(4) - NetBSD Manual Pages

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TCO(4)                NetBSD/x86 Kernel Interfaces Manual               TCO(4)


NAME

     tco -- Intel Controller Hub TCO watchdog timer device


SYNOPSIS

     tco* at ichlpcib?


DESCRIPTION

     The tco driver provides support for the watchdog timer included in the
     Intel Controller Hub (ICH).

     Setting the timer interval and arming the watchdog is performed using the
     wdogctl(8) utility.  For ICH5 and earlier controllers, the interval is in
     the range of 2 to 23 seconds; for ICH6 and newer controllers, the inter-
     val is in the range of 1 to 367 seconds.


SEE ALSO

     wdogctl(8)


HISTORY

     The tco driver first appeared in NetBSD 8.0.  In earlier releases of
     NetBSD the driver was included as part of the x86/ichlpcib(4) driver.


AUTHORS

     The tco driver was written by Minoura Makoto <minoura@NetBSD.org> and
     Matthew R. Green <mrg@NetBSD.org>.  The tco driver was separated from the
     x86/ichlpcib(4) driver by Paul Goyette <pgoyette@NetBSD.org>.

NetBSD 10.0                      April 4, 2015                     NetBSD 10.0