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November 2016

UEFI Fall 2016 Plugfest Materials Now Available

UEFI Fall 2016 Plugfest Materials Now Available
UEFI Fall 2016 Plugfest Materials Now Available

Good news—the UEFI Fall 2016 Plugfest has ended and the materials are now available on-line for anyone not able to attend in person.  This e...

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William Leara
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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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  • Introduction to the Simple Boot Flag
    The Simple Boot Flag , it turns out, is a bit of a mystery.  Trying to find information about this flag, and/or its associated specification...
  • 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 ...
  • Introduction to Slim Bootloader
    Slim Bootloader (SBL) is an open-source boot firmware built from the ground up for Intel x86 systems. Designed to be small, fast, and secure...
  • 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...
  • UEFITool
    Here’s a handy tool for interrogating firmware volumes:  UEFITool !  It is written by Nikolaj Schlej , and is great for examing the Regions/...
  • “Hello World” Quick-Start with edk2-stable201908
    Periodically, I've written articles describing how to setup the EDK on a system and configure it to build a basic "Hello, World...

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      • UEFI Fall 2016 Plugfest Materials Now Available
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latest UEFI specs

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

UEFI resources

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UEFI blog roll

  • BIOS on StackOverflow
    How to get memory regions and store into a list on 0x00EFFFFF to 0x1CFFFFF (14MB) in kernel?
  • Vincent Zimmer's blog
    Wind Energy and the Long Arc: Cornell Engineer, December 1990

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