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Basic Input/Output

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September 2014

A Tour of the Intel BITS

A Tour of the Intel BITS
A Tour of the Intel BITS

Burt and Josh Triplett have created a nifty tool for validating that a BIOS has successfully configured Intel resources such as: MSRs C-...

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

My Favorite Obituary

My Favorite Obituary
My Favorite Obituary

Okay, I know it’s a bizarre title, but bear with me.  Mr. Tom Halfhill , a computer journalist I grew up reading in COMPUTE! magazine, wrot...

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6:00 AM
William Leara
0
Apple, C64, Commodore, history, IBM
6:00 AM

DMTF Webinars Now Available On-Demand

DMTF Webinars Now Available On-Demand
DMTF Webinars Now Available On-Demand

The Desktop Management Task Force (DMTF) produces standards of great interest to BIOS developers.  (e.g., SMBIOS) Did you know that DMTF we...

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8:00 PM
William Leara
0
smbios
8:00 PM
 
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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...
  • 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...
  • 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...
  • 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...
  • 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 ...

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      • A Tour of the Intel BITS
      • My Favorite Obituary
      • DMTF Webinars Now Available On-Demand
    • ►  August (9)

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latest UEFI specs

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

UEFI resources

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UEFI blog roll

  • BIOS on StackOverflow
    cannot do anything after disabled VMD [closed]
  • Vincent Zimmer's blog
    big money, open source, papers

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