Quantcast Designing and Writing Custom BIOS

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  1. #1
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    Default Designing and Writing Custom BIOS

    Does anyone have any experience in developing their own custom BIOS or editing existing BIOS to replace the OEM one? Could you redirect me to any other resource that I may find useful?

  2. #2
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    Default Re: Designing and Writing Custom BIOS

    Writing a BIOS from scratch? Not possible I'd say...

    Editing an existing BIOS yes, but it takes a lot of disassembling and programming skills, it's not easy at all.

    You might find some stuff here, though it's possible that some things are outdated... and here.

    It's nothing you can learn over night.
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    Default If the change to UEFI won't do what you want, another option

    Quote Originally Posted by svl7 View Post
    Writing a BIOS from scratch? Not possible I'd say...
    coreboot

    Some recent designs claim to fully support it (amd's fusion for example) though it depends a lot on what peripherals are used.

    The idea of booting barebones to fullblown linux is tempting for some things.
    x230 w/ ips, ssd, etc

  4. #4
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    Default Re: Designing and Writing Custom BIOS

    Have a look at the bios modding community : Bios Mods - The Best BIOS Update and Modification Source

  5. #5
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    Default Re: Designing and Writing Custom BIOS

    Another website to look in: My Digital Life Forums

  6. #6
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    Default Re: Designing and Writing Custom BIOS

    I have done quite a bit of bios modding, and I have bricked a computer twice doing it lol. Its risky business.

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    Default Re: Designing and Writing Custom BIOS

    Thanks a lot folks. At least I have an idea of what it is.

  8. #8
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    Default Re: Designing and Writing Custom BIOS

    Anything is possible if you're willing to put the time and energy in to the learning.

    Phoenix, and maybe AMI, had a modular developer BIOS kit that *used* to be freely downloadable if you had some kind of industry credentials.

  9. #9
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    Default Re: Designing and Writing Custom BIOS

    I think Vicious is talking about modifying an existing BIOS, flashing the system, and the mod'ed BIOS was so messed up, it bricked the machine.
    Clevo x7200 from AVA Direct | intel i7 - 970 Hexcore 12MB L3 Cache, @ 3.20GHz (stock) | 12 GB Corsair RAM DDR3 SDRAM @ 1333MHz | nVidia GTX 460M GPU with 1.5GB GDDR5 | Crucial C300 256 GB SSD system disk | 500 GB (2 x RAID-1) Seagate Momentus XT Hybrid data disk
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    Make sure you're up to date - x7200/NP7280 BIOS / Drivers

  10. #10
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    Default Re: Designing and Writing Custom BIOS

    If your mod'ed BIOS leaves the EEPROM in a bad, bad state or the video doesn't work after the flash or some other problem, unless you can do a blind flash, the only option is to get a replacement BIOS chip.

    I don't want to put words in his mouth, so I'll let Vicous expand on his story.
    Clevo x7200 from AVA Direct | intel i7 - 970 Hexcore 12MB L3 Cache, @ 3.20GHz (stock) | 12 GB Corsair RAM DDR3 SDRAM @ 1333MHz | nVidia GTX 460M GPU with 1.5GB GDDR5 | Crucial C300 256 GB SSD system disk | 500 GB (2 x RAID-1) Seagate Momentus XT Hybrid data disk
    See the Clevo x7200/Sager NP7280 Wiki Page
    Make sure you're up to date - x7200/NP7280 BIOS / Drivers

 

 
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