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Basic Input/Output

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October 2014

Neat Things from COMDEX 1987

Neat Things from COMDEX 1987
Neat Things from COMDEX 1987

On a fabulous Computer Chronicles , Stewart and crew visited the COMDEX computer dealers’ conference in Las Vegas, in 1987. There were sev...

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7:00 AM
William Leara
0
Computer Chronicles, history, IBM, Intel
7:00 AM

Language Applications for UEFI BIOS

Language Applications for UEFI BIOS
Language Applications for UEFI BIOS

Earlier this year I graduated from the University of Texas at Austin with an M.S. in Engineering, majoring in Electrical & Computer Eng...

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7:00 AM
William Leara
1
ANTLR, VFR
7:00 AM

Tonight I Celebrate My luv (OS)

Tonight I Celebrate My luv (OS)
Tonight I Celebrate My luv (OS)

Yes, thank you Peabo Bryson and Roberta Flack for the title inspiration: Yes! Stay Classy 1983! With all due respect to Peabo and R...

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7:00 AM
William Leara
0
Intel, Linux, testing
7:00 AM

The Inside Story of Windows NT

The Inside Story of Windows NT
The Inside Story of Windows NT

A neat book I just finished is Showstopper!  The Breakneck Race to Create Windows NT and the Next Generation at Microsoft , by G. Pascal Zac...

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7:00 AM
William Leara
0
books, history, Microsoft, Windows
7:00 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

  • 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...
  • 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...
  • 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 ...
  • 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...
  • “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...
  • 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...

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      • Neat Things from COMDEX 1987
      • Language Applications for UEFI BIOS
      • Tonight I Celebrate My luv (OS)
      • The Inside Story of Windows NT
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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
    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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