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Date:      Sat, 18 Aug 2012 12:47:19 +0100
From:      Bruce Cran <bruce@cran.org.uk>
To:        Polytropon <freebsd@edvax.de>
Cc:        freebsd@dreamchaser.org, FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject:   Re: fsck recoveries, configuration
Message-ID:  <502F80C7.3010007@cran.org.uk>
In-Reply-To: <20120818080916.bdefcdbc.freebsd@edvax.de>
References:  <502EA73B.6000008@dreamchaser.org> <20120818030537.4d5bf55b.freebsd@edvax.de> <502F017A.7030001@dreamchaser.org> <20120818051716.40ccf88c.freebsd@edvax.de> <502F16B7.8050902@dreamchaser.org> <20120818062315.eccc7d1d.freebsd@edvax.de> <502F2DF3.6040104@dreamchaser.org> <20120818080916.bdefcdbc.freebsd@edvax.de>

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On 18/08/2012 07:09, Polytropon wrote:
> A can only guess: It probably means that the button is fixed
> (mounted) in the machine, e. g. at the front panel.

>From 
http://en.wikipedia.org/wiki/Advanced_Configuration_and_Power_Interface :

"ACPI-compliant systems interact with hardware through either a 
"Function Fixed Hardware (FFH) Interface", or a platform-independent 
hardware programming model which relies on platform-specific ACPI 
Machine Language (AML) provided by the original equipment manufacturer 
(OEM).

Function Fixed Hardware interfaces are platform-specific features, 
provided by platform manufacturers for the purposes of performance and 
failure recovery. Standard Intel-based PCs have a fixed function 
interface defined by Intel,[10] which provides a set of core 
functionality that reduces an ACPI-compliant system's need for full 
driver stacks for providing basic functionality during boot time or in 
the case of major system failure."

-- 
Bruce Cran



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