Re: BIOS Programming

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#8453

From: Tom|420
Date: Tue, 26 Oct 2004 01:32

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Maurice Anderson wrote:

> Hello,
> 
> I am looking to program my own BIOS software for my IBM Thinkpad.  Anyone
> know where I can get some information on how to do this?  Components?  I
> also want to be able to load DOS or any other OS with my BIOS.
> 
> Thanks
> 
> 

To my knowledge, there is no standard API to access the BIOS, each maker 
create their own way of doing it. To the best you might find some 
information from the documentation for a particular BIOS, but that kind 
of programing might as well be undocumented.

You cannot tell a BIOS to load an OS. All the BIOS does is load the 
first sector of your first drive and give it control, hoping that it 
will load the OS or anything else which is going to take control of the 
machine.

Hope this helps,
Tom :)

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