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Date:      Sat, 18 Aug 2012 12:47:19 +0100
From:      Bruce Cran <>
To:        Polytropon <>
Cc:, FreeBSD Mailing List <>
Subject:   Re: fsck recoveries, configuration
Message-ID:  <>
In-Reply-To: <>
References:  <> <> <> <> <> <> <> <>

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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 :

"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 

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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