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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

  • 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...
  • 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...
  • 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...
  • 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...
  • 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...
  • The Keyboard Controller Interface, 0x60/0x64
    The original IBM PC (1981), and its immediate successor, the IBM PC/XT (1983), had keyboards limited to unidirectional communication:  data ...

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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
    Issue with Ubuntu Installation - No Bootable Device and BIOS Password Lock [closed]
  • Vincent Zimmer's blog
    April showers....

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