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April 2015

Government Collecting Telephone Metadata…in 1985!

Government Collecting Telephone Metadata…in 1985!
Government Collecting Telephone Metadata…in 1985!

In this classic episode of The Computer Chronicles , Stewart is reading through the news and discusses a program whereby the U.S. General Se...

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

You SHALL NOT Skip This REQUIRED Blog Post

You SHALL NOT Skip This REQUIRED Blog Post
You SHALL NOT Skip This REQUIRED Blog Post

Do you read specifications?  If you’re a BIOS developer, the answer to that question is YES! Specs often need to convey to the reader a lis...

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6:00 AM
William Leara
0
misc
6:00 AM

Prof. Metcalfe in Youthful 1985!

Prof. Metcalfe in Youthful 1985!
Prof. Metcalfe in Youthful 1985!

In my continuing exploration of The Computer Chronicles , the date is 24 October 1985 and the subject is Local Area Networks (LANs).  The ma...

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6:00 AM
William Leara
0
Computer Chronicles
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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  • 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 ...
  • 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...
  • A Tour of Intel CHIPSEC
    CHIPSEC is a framework for analyzing the security of PC platforms, including their hardware, BIOS, and platform configuration.  It includes...
  • 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...

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      • Government Collecting Telephone Metadata…in 1985!
      • You SHALL NOT Skip This REQUIRED Blog Post
      • Prof. Metcalfe in Youthful 1985!
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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
    Why load the value “01310h” into AX before invoking interrupt 10h?

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