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FreeBSD 11.0 - man page for acpi_rapidstart (freebsd section 4)

ACPI_RAPIDSTART(4)					   BSD Kernel Interfaces Manual 					ACPI_RAPIDSTART(4)

NAME
acpi_rapidstart -- Intel rapid start technology ACPI driver
SYNOPSIS
To compile this driver into the kernel, place the following line in your kernel configuration file: device acpi_rapidstart Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): acpi_rapidstart_load="YES"
DESCRIPTION
The acpi_rapidstart driver provides support for Intel Rapid Start technology ACPI device interface. Note that this is only for the ACPI device interface. This has _CID PNP0C02 so it should be loaded at boot time to avoid attaching to the acpi_sysresource driver.
SYSCTLS
The following sysctl(8) nodes are currently implemented: dev.acpi_rapidstart.0.ffs Rapid start flag. It is a bitwise OR of the following: 1 Enter Fast Flash Standby in RTC wake. 2 Enter Fast Flash Standby in Critical Battery Wake enable dev.acpi_rapidstart.0.ftv Fast Flash Standby timer value in minutes.
SEE ALSO
acpi(4), sysctl(8)
HISTORY
The acpi_rapidstart driver first appeared in FreeBSD 10.0.
AUTHORS
The acpi_rapidstart driver was written by Takanori Watanabe <takawata@FreeBSD.org>.
BSD
May 8, 2013 BSD

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