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Basic Input/Output

Basic Input/Output

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May 2015

A Steve Jobs Milestone

A Steve Jobs Milestone
A Steve Jobs Milestone

I was watching the February 13, 1986 episode of The Computer Chronicles recently.  The news segment contained a brief throw-away story abou...

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6:00 AM
William Leara
0
Computer Chronicles
6:00 AM

Introduction to the EDKII C Coding Standards

Introduction to the EDKII C Coding Standards
Introduction to the EDKII C Coding Standards

You may not be aware that Intel has made publically available on Tianocore an EDKII C Coding Standards specification.  As of this writing,...

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6:00 AM
William Leara
0
coding standards, EDK
6:00 AM

The Best Movies You’ve (Probably) Never Seen

The Best Movies You’ve (Probably) Never Seen
The Best Movies You’ve (Probably) Never Seen

The nice people at Intel have put together some excellent training videos, and they’re available for free, on-demand download! I’m willing...

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6:00 AM
William Leara
1
misc
6:00 AM

Syntax Highlighting for EDKII Files: .dec, .dsc, .fdf, .inf, .uni, .vfr

Syntax Highlighting for EDKII Files: .dec, .dsc, .fdf, .inf, .uni, .vfr
Syntax Highlighting for EDKII Files: .dec, .dsc, .fdf, .inf, .uni, .vfr

UEFI requires us to work with a plethora of different BIOS-specific file types.  Among them are .dec, .dsc, .fdf, .inf, .uni, and .vfr files...

Read more »
6:00 AM
William Leara
2
EDK
6:00 AM
 
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welcome

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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popular

  • 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...
  • 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 ...
  • The Binwalk Firmware Analysis Tool
    I’ve recently been experimenting with a wicked-fun tool you may find useful called Binwalk :  a “fast, easy to use tool for analyzing and ex...
  • 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...
  • New SD Express Speed Classes
    Secure Digital (SD) Cards have become a most critical component to all of modern technology.  They have supplanted all competitive technolo...

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      • A Steve Jobs Milestone
      • Introduction to the EDKII C Coding Standards
      • The Best Movies You’ve (Probably) Never Seen
      • Syntax Highlighting for EDKII Files: .dec, .dsc, ....
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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

  • 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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