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Date:      Thu, 04 Jan 2001 15:34:22 -0700
From:      Warner Losh <imp@bsdimp.com>
To:        Graham Wheeler <gram@cequrux.com>
Cc:        hackers@FreeBSD.ORG
Subject:   Re: Just how standard is APM? 
Message-ID:  <200101042234.f04MYM147333@harmony.village.org>
In-Reply-To: Your message of "Thu, 04 Jan 2001 12:53:09 %2B0200." <3A545615.3597BCF3@cequrux.com> 
References:  <3A545615.3597BCF3@cequrux.com>  

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In message <3A545615.3597BCF3@cequrux.com> Graham Wheeler writes:
: Hi all
: 
: I'm running FreeBSD 4.2-S on a Compaq Presario laptop. This laptop seems
: to have APM support (at least it does under MS-Windows), but FreeBSD
: doesn't recognise it as such. I've gone so far as to add additional log
: messages in the kernel probes for the APM BIOS, and these log that the
: initial vm86 BIOS call to get the APM BIOS version fail.
: 
: Is this really exceptional, or are there lots of unsupported APM BIOSes?
: I believe that APM is a WinTel `standard'; just how standard is it
: really?

APM is standard.  Except when it is broken in some brain damaged ways.

However, you likely have your apm device disabled in your kernel and
all you need to do is enable it.

Warner


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