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A question about a type of Bios


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#1 NuckenFutz

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Posted 23 December 2010 - 01:52 AM

I was wondering if there was a bios out there that can boot ANY OS. Like slax, EVERY WINDOWS EDITION, Linux, MAC etc. I basically want my PC to be able to boot any OS out there but is there a bios that can do that? I know some new PC's that run windows 7 can't run XP unless you put a different bios on there soo.....

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#2 Platypus

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Posted 23 December 2010 - 05:30 AM

A standard IBM PC compatible BIOS can boot any operating system that the computer can natively run. Any OS that runs on IBM compatible hardware is started by a bootloader whose first instruction resides at a fixed location and running the code at that location is the only thing the BIOS needs to do to start the OS booting. Then the bootloader code is responsible for loading and initialising the OS, whether it's any Windows version, Linux, OS/2 or whatever. An OS that cannot run natively on the hardware needs an extra layer of emulation to be set up, this is not the role of a BIOS.

I'm not aware of any situation where a Windows 7 computer would be unable to run Windows XP without a different BIOS, can you provide any illustrations of this?

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#3 hamluis

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Posted 23 December 2010 - 08:05 AM

Sounds to me as if you are referring to bootloader files...as a "BIOS".

With multiple O/Ses, the bootloader is the only thing that may change...the BIOS does not.

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#4 NuckenFutz

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Posted 23 December 2010 - 08:50 PM

I was just reading an article but I guess the information was wrong because I read up more about boot loaders and it totally contradictorily of what the article was telling me

And I guess I am going to look into a boot loader that can boot any OS and handle a lot of them, Thanks guys




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