ICHLPCIB(4)             NetBSD Kernel Interfaces Manual            ICHLPCIB(4)


NAME
ichlpcib -- Intel ICH LPC Interface Bridge
SYNOPSIS
ichlpcib* at pci? dev ? function ? hpet0 at ichlpcib? isa0 at ichlpcib?
DESCRIPTION
The ichlpcib driver supports the Intel ICH LPC Interface Bridges on com- patible chipsets. Supported functions include: + Watchdog timer. The watchdog timer may be configured for a 2 seconds (on ICH6 or newer) and 4 seconds (on ICH5 or older) min period and for a 39 seconds (on ICH5 or older) or 613 seconds max period (on ICH6 or newer). + Power Management timer. A 24-bit timer available to be used by the timecounters framework. + SpeedStep. In some systems the SpeedStep function is also available, and can be used to switch between high and low frequency (to reduce power consumption) via the machdep.speedstep_state sysctl(8) node. A value of 0 will use the low frequency (low power) and a 1 will enable the high frequency (full power).
SEE ALSO
sysctl(8), wdogctl(8)
HISTORY
The ichlpcib driver first appeared in NetBSD 3.0.
AUTHORS
The ichlpcib driver was written by Minoura Makoto and Matthew R. Green. NetBSD 5.0_RC4 March 28, 2008 NetBSD 5.0_RC4

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