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Re: [News] Open BIOS Quicker Than Proprietary BIOS

Peter Köhlmann wrote:

> 7 wrote:
> 
>> Erik Funkenbusch wrote:
>> 
>>> On Wed, 06 Sep 2006 04:33:07 +0100, Roy Schestowitz wrote:
>>> 
>>>> Boot Linux faster with an open BIOS
>>>> 
>>>> ,----[ Quote ]
>>>>| According to Seebach, the proprietary BIOSes typically found in
>>>>| off-the-shelf PCs and boards often account for more than half of total
>>>>| boot time. And, much of this time is spent loading drivers and
>>>>| compiling information useful to legacy OSes such as DOS, but largely
>>>>| useless and redundant when using a modern OS such as Linux, which
>>>>| tends to do its own hardware probing, and load its own hardware
>>>>| drivers.
>>>> `----
>>>> 
>>>> http://www.linuxdevices.com/news/NS2401026948.html
>>> 
>>> I believe that's what the "Plug-and-Play OS" setting in many bios's is
>>> for, to avoid most of those things.
>> 
>> 
>> Wrong.
>> 
>> Plug and Play OS setting does not remove the loading
>> of drivers and useful information required for legacy OSes.
>> Plug and Pray is extra and adds to the already lengthy boot up time.
> 
> No.
> Plug-and-play BIOS setting is effectivly leaving the OS free to override
> the settings for the found hardware resources.
> The BIOS will assign INTs, memory addresses and/or ports to the hardware
> found and initialize (at least basically) this hardware.
> If you set "Plug-and-play", you allow the OS to override the decisions
> BIOS made. This can be good, or it can be bad, depending on the decisions
> the OS afterwards makes.
> This is (naturally) pure theory. If the OS really wants to, it can
> override the BIOS values in either case. Linux for example pays little
> heed to that value and does its hardware probing merrily in both cases


Thats basically what I was hoping I said.


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