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March 2023

Introduction to Zephyr

Introduction to Zephyr
Introduction to Zephyr

You may have heard of Zephyr , the open-source RTOS hosted on GitHub .  In fact, Zephyr claims to be the most popular open-source RTOS, wit...

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William Leara
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EC, RTOS, Zephyr
7:00 AM
 
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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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latest UEFI specs

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

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UEFI blog roll

  • Vincent Zimmer's blog
    Wind Energy and the Long Arc: Cornell Engineer, December 1990
  • BIOS on StackOverflow
    Ubuntu 24.04 touchpad stopped working and system tray icons disappeared after entering BIOS on a Lenovo dual-boot laptop

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