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Date:      Sat, 26 Mar 2016 10:42:36 +0100
From:      Bernt Hansson <>
To:        Dmitry Bachilo <>,
Subject:   Re: How can FreeBSD work with keyboard on a dead southbridge where other systems fail?
Message-ID:  <>
In-Reply-To: <>
References:  <>

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On 2016-03-25 17:02, Dmitry Bachilo wrote:
> So, here is the story: I have a laptop Acer Aspire 5100, which has a 
> dead southbridge. In any operating system it predictibly results in 
> non-working audio, usb, keyboard and touchpad. I tried Windows XP, 
> Windows 7, Linux and FreeDOS. They all work ok on it except this minor 
> stuff. I also obvioulsy can't access BIOS since keyboard is dead. And 
> if I install FreeBSD on it ofcouse I cant skip that autoboot delay 
> with the boot menu. But if system boots - the keyboards suddenly works 
> like a charm, and that makes my laptop totally usable and fine (for 
> example to set up ethrenet switches using cardbus serial adapter). 
> That's a miracle! Or is it?
> So the question is: what makes FreeBSD so different? How does it work 
> with the keyboard and why no other OS uses this method then?
> P.S. I even made the video about this situation and it has an image of 
> this laptop's motherboard if needed. Here it is: 

> The question was...

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