How to implement new features in existing bios?

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I wonder is it possible to implement new features in existing bios, in other words is there some libraries (like sdk) of motherboard which give you chance to make easy your own bios?

What mean "supported motherboard" - is that include libraries for developing or just mean that you can download latest update if exist?

To be more specific i will like to make in bios feature to wake up my computer if it's off at specific time. My motherboard is asrock [^]. Do i have chance for develop my own timer features, or just can wait for product developer and pray that they make those feature?

Posted 12-Mar-14 5:07am

novadivlja

Updated 12-Mar-14 5:08am

v2

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Sergey Alexandrovich Kryukov 12-Mar-14 14:26pm

Great idea, my 5. Some BIOS versions suck. I just don't think you can get any help in a Quick Answer. Nothing is quick here; you will need to learn a lot and do a lot of work. If you damage the chip with BIOS, just replace is with new one.
—SA

2 solutions

Solution 1

No. And I very strongly suggest you don't try. Unless of course you dislike your PC so much you want to convert it into a very expensive brick...

The BIOS is tied to the hardware it runs in, and converts the low level operating system instructions into hardware specific operations. Even a small change in this can render your PC unable even to power on.

Leave well alone, unless you work for the manufacturer of your motherboard!

Ask the manufacturer instead - they may have a BIOS upgrade which supports what you want.

Posted 12-Mar-14 5:44am

OriginalGriff

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Sergey Alexandrovich Kryukov · Accepted Answer · 2014-03-12T08:31:00

Please see, for example:
http://www.jefro.net/astrobios-8-19-03.pdf[^],
http://www.coreboot.org/Welcome_to_coreboot[^].

Be ready to replace your chip with the BIOS, preserve existing BIOS content.

But remember that the whole BIOS approach may eventually become obsolete. Please see:
http://en.wikipedia.org/wiki/BIOS[^],
http://en.wikipedia.org/wiki/BIOS#Changing_role_of_the_BIOS[^],
http://en.wikipedia.org/wiki/Extensible_Firmware_Interface[^].

—SA