[LinuxBIOS] LinuxBIOS on Laptops.

Uwe Hermann uwe at hermann-uwe.de
Sun Sep 3 01:56:21 CEST 2006


On Sat, Sep 02, 2006 at 09:16:37PM +0200, Carl-Daniel Hailfinger wrote:
> I'd say we postpone laptop support until we have LinuxBIOS running on

Yeah, that's probably a good idea (for the FSF campaign text).

> a few cheap mainboards because laptops present additional problems:
> * usually the flash chip is not socketed

Most probably, yes. Luckily I do have a working test-laptop which has
the chip in a socket... More details in my other post...

> * video bios is tightly integrated
> * superios are different from what we know

Do you have more details? As far as I can see at least some seem to be
very similar to non-laptop superios. If there's a datasheet it shouldn't
be too hard to support them.

> * most of the time, embedded controllers have to be initialized as
>   well if you don't want to kill the hardware
> * wrong video initialization has the potential to kill the display

Hm, that doesn't sound good. Which controllers in particular can become

> Stories about LinuxBIOS frying laptops are the worst we can get now,


Uwe Hermann 
http://www.it-services-uh.de  | http://www.crazy-hacks.org 
http://www.holsham-traders.de | http://www.unmaintained-free-software.org
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