• RSS
  • Twitter
  • LinkedIn
Basic Input/Output

Basic Input/Output

Powered by Blogger.
Menu
  • Home
  • About Me
  • Computer Chronicles
  • Jobs!
  • Patreon
Grid List
July 2025

PCIe Gen7 is Here!

PCIe Gen7 is Here!
PCIe Gen7 is Here!

On June 11, 2025, PCI-SIG launched PCIe Version 7.0!  The specification is available for download by PCI-SIG members . PCI-SIG has taken a ...

Read more »
5:11 PM
William Leara
0
PCI, specifications
5:11 PM
 
Newer Posts Older Posts Home
Subscribe to: Posts (Atom)

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
  • Populars
  • Comments
  • Archive

popular

  • 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 ...
  • Introduction to UEFI Conformance Profiles
    The UEFI Specification v2.11 is well over two thousand pages, and even the short list of “required elements” in §2.6 assumes a general-purpo...
  • Introduction to Open Platform Firmware
    Platform firmware development faces a fundamental challenge: every silicon vendor brings its own initialization model, configuration schem...
  • Introduction to Slim Bootloader
    Slim Bootloader (SBL) is an open-source boot firmware built from the ground up for Intel x86 systems. Designed to be small, fast, and secure...
  • 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...

comments

archive

  • ►  2026 (5)
    • ►  October (1)
    • ►  September (1)
    • ►  June (1)
    • ►  March (1)
    • ►  February (1)
  • ▼  2025 (6)
    • ▼  July (1)
      • PCIe Gen7 is Here!
    • ►  May (2)
    • ►  April (1)
    • ►  February (1)
    • ►  January (1)
  • ►  2024 (12)
    • ►  December (1)
    • ►  November (2)
    • ►  October (2)
    • ►  September (1)
    • ►  July (1)
    • ►  May (1)
    • ►  April (1)
    • ►  March (1)
    • ►  February (1)
    • ►  January (1)
  • ►  2023 (9)
    • ►  December (1)
    • ►  November (1)
    • ►  October (2)
    • ►  August (1)
    • ►  May (1)
    • ►  April (2)
    • ►  March (1)
  • ►  2022 (4)
    • ►  September (1)
    • ►  June (1)
    • ►  April (2)
  • ►  2021 (6)
    • ►  October (1)
    • ►  September (2)
    • ►  August (2)
    • ►  July (1)
  • ►  2020 (2)
    • ►  April (1)
    • ►  January (1)
  • ►  2019 (15)
    • ►  November (1)
    • ►  October (5)
    • ►  September (1)
    • ►  July (1)
    • ►  June (2)
    • ►  May (2)
    • ►  March (1)
    • ►  February (1)
    • ►  January (1)
  • ►  2018 (11)
    • ►  December (2)
    • ►  November (3)
    • ►  October (2)
    • ►  June (1)
    • ►  April (2)
    • ►  March (1)
  • ►  2017 (13)
    • ►  November (1)
    • ►  September (2)
    • ►  August (3)
    • ►  July (2)
    • ►  June (3)
    • ►  May (1)
    • ►  April (1)
  • ►  2016 (23)
    • ►  November (1)
    • ►  October (2)
    • ►  September (1)
    • ►  August (2)
    • ►  July (3)
    • ►  June (2)
    • ►  May (2)
    • ►  April (3)
    • ►  March (4)
    • ►  February (1)
    • ►  January (2)
  • ►  2015 (20)
    • ►  December (2)
    • ►  June (4)
    • ►  May (4)
    • ►  April (3)
    • ►  March (4)
    • ►  February (3)
  • ►  2014 (17)
    • ►  December (1)
    • ►  October (4)
    • ►  September (3)
    • ►  August (9)

subscribe via email

tags

ACPI (1) AMD (3) ANTLR (1) Apple (3) ARM (2) books (3) boot (4) C64 (1) coding standards (2) Commodore (2) Computer Chronicles (11) conferences (12) CP/M (1) CPU (2) Data General (1) EC (3) EDK (16) GaryKildall (1) graphics (1) HII (1) history (6) IBM (2) Intel (12) jobs (1) Linux (1) M.2 (1) manageability (4) memory (2) Microsoft (5) misc (18) networking (1) PCI (5) pretty print (1) Redfish (1) RTOS (2) security (11) setup (1) smbios (6) specifications (20) storage (3) testing (5) tools (18) USB (1) VCS (2) VFR (1) Windows (3) Zephyr (2)
 

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
    ISO with bootloader written to a CDROM not showing up as a boot entry in bios [closed]
  • Vincent Zimmer's blog
    Pushing the frontier of knowledge

translate

© Copyright 2025 William Leara. All Rights Reserved.