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May 2019

UEFI 2.8, Courtesy of Nikolaj

UEFI 2.8, Courtesy of Nikolaj
UEFI 2.8, Courtesy of Nikolaj

The UEFI Forum released the latest version of the UEFI spec, v2.8, last month. (April 2019).  If you haven't downloaded it yet, you ca...

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7:00 AM
William Leara
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specifications
7:00 AM

UEFI.org - Members Pages

UEFI.org - Members Pages
UEFI.org - Members Pages

For BIOS engineers, arguably the two most significant on-line resources are uefi.org and tianocore.org .  In this post, I will summarize ...

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6:00 PM
William Leara
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misc
6:00 PM
 
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Welcome to the Basic Input/Output website! Here I share things pertaining to the arcane art of PC BIOS development. For spice, I add material about software development in general and some interesting computer history vignettes. Please, try to contain your excitement!
—William Leara
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  • Reverse Engineering UEFI with Ghidra
    Ghidra is a free and open-source tool for software reverse engineering.  It is extensible, and allows for application-specific capabilities...
  • JEDEC Manufacturer IDs Are a Mess
    The Vendor ID .  Seems like a pretty prosaic topic.  What's to say?  Every vendor has a numeric identifier that is globally unique so th...
  • UEFI Forum Updates All Specs, Dec 2024
    The UEFI Forum updated all three of its specifications in December, 2024:  ACPI, UEFI, and PI. As a refresher: Advanced Configuration and P...
  • EDID and DisplayID
    In " The Before Times" (think: 1980s), there was no way for graphics adapters and monitors to negotiate a common set of supported...
  • RWEverything. Yes, Everything.
    I’ve done many tools reviews in the history of this web site, so it would be unthinkable to neglect to talk about what may be the biggest a...
  • Guide to the SWEBOK v4.0 Has Been Released
    The Guide to the Software Engineering Body of Knowledge (SWEBOK) v4.0 was released on October 15, 2024. The Guide is a publication of the ...

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      • UEFI.org - Members Pages
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latest UEFI specs

  • UEFI Spec 2.11
  • UEFI PI Spec 1.9
  • ACPI 6.5a

UEFI resources

  • presentations, podcasts, videos
  • white papers

UEFI blog roll

  • BIOS on StackOverflow
    cannot do anything after disabled VMD [closed]
  • Vincent Zimmer's blog
    big money, open source, papers

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