Changelog

2025 Changes

16 Feb 2025

   [1] Photos from Frank Brown
   [2] Photos from ebay seller "Computer Trade Exchange"

15 Feb 2025

12 Feb 2025

  • PS/55 Model 5545 and 8573 P70 - added plasma display connector, PDC and riser links
  • 8573 P70 page:
    • Rephrased plasma display connector description; added 5545 note
    • Expanded plasma display block diagram section
    • Added plasma display controller section
    • Added MCA riser section with CA [1] and DA [2] photos
    • Additional "new" planar ID
  • PS/55 5545 and PS/2 P70 Planar Comparison - corrected board ID info
  • Other minor changes

   [1] Photos from ebay seller "Computer Trade Exchange"
   [2] Photos from ebay seller "810.531.0356"

09 Feb 2025

  • PS/55 Model 5545 page:
    • Added planar photos and ID [1]
    • Added planar outline and parts list [2]
    • Added display adapter + daughter photos and ID [1]
    • Added display adapter + daughter outline and parts list [3]
    • Added riser ID and photos [1]
    • Added plasma display ID and photos [1]
    • Added PSU specs [1]
    • Added 5545 vs P70 case comparison info and photos [1]
  • Added PS/55 5545 and PS/2 P70 Planar Comparison page [1][4]
  • 8573 P70 page:
    • New planar - minor outline update [2]
    • New planar - various part ID corrections
    • Added plasma power cable routing info and photos [1]
  • List of IBM ASICs & GAs - added 65X1380 + other P70/5545 related changes
  • 8530 286 Planar page:
    • Added Type 1 planar photos [5]
    • Added Type 1 planar P/N
    • Additional ZM14 part ID [5]
  • Other minor changes

   [1] Photos, files and information from Lee Daehan
   [2] Outline created by Louis Ohland, edited by Tomáš Slavotínek
   [3] Outline and part ID by Tomáš Slavotínek
   [4] Photos by Tomáš Slavotínek
   [5] Photos and information from Simmi Valgeirsson

04 Feb 2025

  • Added PS/55 Model 5545 page containing: [1]
    • General info and P70 comparison
    • Model specifications
    • Keyboard information and photos
    • Reference disk links

   [1] Original page by Tatsuo Sunagawa, translated from JP by Tomáš Slavotínek

02 Feb 2025

  • Added Western Digital WD30-WDM page containing:
    • Basic overview
    • Low-res planar photos
    • Links to magazines and videos
  • Other minor changes

29 Jan 2025

  • BT-646 / SDC3211F - added SDC3211F adapter photos [1]
  • 10/100 Mbps Ethernet (9-K & 9-Q) page:
    • Added base and daughter board photos [1]
    • New base and daughter board outlines [2]
    • Additional part ID [2]
    • Additional adapter ID
  • STB ERGO / PowerGraph MC page:
    • Added PowerGraph adapter photos [1]
    • Added PowerGraph adapter outline [2]
    • Reworked ERGO adapter outline [2]
    • Additional part ID + datasheet links [2]
  • Logitech ScanMan Adapter page:
    • Added alt. ScanMan adapter photos [1]
    • Added alt. ScanMan adapter outline [2]
    • Additional part ID + datasheet links [2]
  • Ahead VGA Eagle - added Windows 3.1 driver [1]
  • Japanese Display Adapters page:
    • Expanded Font ROMs section
    • Updated DA-III Font daughtercard ROM dump (finally correct) [3]
  • Added ARCNET page containing: [4]
    • Internal & external links
    • ARCNET Datasheets & other documents
    • ARCNET Drivers
  • Added ARCNET Tutorial page [5]
  • ADF Stash - fixed incorrectly labeled @6099.ADF link (thx Louis)
  • IBM SCSI External Connectors & Cables - added "connector standardization" slides (thx Louis)
  • Removed Irongate/Blackbird, O'Connor, Kentie, Ross Barker, and other misc. pages
  • Other minor changes

   [1] Photos and files from Ryan Alswede
   [2] Outline and part ID by Tomáš Slavotínek
   [3] File from Lorenzo Mollicone
   [4] Information and files compiled by Louis Ohland
   [5] Article HTMLized by Louis Ohland, edited by Tomáš Slavotínek

21 Jan 2025

  • Japanese Display Adapters page:
    • Added link to Binxelview utility
    • Updated DA-III Font daughtercard ROM dump (still partially corrupt) [1]

   [1] File from Lorenzo Mollicone

20 Jan 2025

   [1] Files from Martin "Spooky" Voerman
   [2] Photos and files from Christian Holzapfel

19 Jan 2025

  • ChipChat 16 & 32 page:
    • Added ChipChat ADF modified for IRQ5 support
    • Added DOS game troubleshooting info
    • Added Audio Sum Node info + link
  • ADF Stash - added @5150.ADF ChipChat ADF modified for IRQ5 support
  • Other minor changes

18 Jan 2025

  • 8590 / 9590 Planar page:
    • Added 91F7458 planar photos [1]
    • Additional planar ID
  • Japanese Display Adapters page:
    • Added Google Translate links for Japanese websites
    • Note about differences between AVEC Display Adapters
  • 3Com 3C523 page:
    • Added Early 3C523 adapter Rev E photos [2]
    • Added Newer 3C523 adapter outline + additional part ID [3]
    • Reworked Newest 3C523 adapter outline + additional part ID [3]
    • Added Newest 3C523 adapter photos [4]
    • Reworked 3C523 TP adapter outline, added parts list [3]
    • Added 3C523 TP adapter photos [5]
    • Added info about leaking caps for 3C523 TP (thx Lorenzo)
  • ChipChat 16 & 32 - added ChatChip Reloaded link
  • Other minor changes

   [1] Photos from Frank Brown
   [2] Photos from ebay seller "Computer Trade Exchange"
   [3] Outline and part ID by Tomáš Slavotínek
   [4] Photos from Al Boyanich
   [5] Photos from Lorenzo Mollicone

17 Jan 2025

  • Japanese Display Adapters page:
    • Added DA-II Old - Early outline and parts list [1]
    • Additional DA-II Old - Early adapter photos [2]
    • Updated DA-II/III/V outline and parts list [1]
    • Added DA-III w/o ROS outline [1]
    • Added DA-III w/o ROS photos [3]
    • Added DA-III Font daughtercard outline and parts list [1]
    • Added DA-III Font daughtercard photos [3]
    • Added DA-III Font daughtercard ROM dump [3]
    • Additional adapter and component ID + corrections
  • Other minor changes

   [1] Outline and part ID by Tomáš Slavotínek
   [2] Photos from Y! Auctions Japan seller "trgetter"
   [3] Photos and files from Lorenzo Mollicone

13 Jan 2025

   [1] Outline and part ID by Tomáš Slavotínek
   [2] Photos by Lorenzo Mollicone

12 Jan 2025

  • Model 5550 386 page:
    • Added V0/V1 planar outline and parts list [1]
    • Added V0/V1 planar photo [2]
    • Added V0/V1 BIOS ROM images 56F7416/56F7417 [2]
    • Added Vx 386 CPU board P/N and parts list [1]
    • Added Vx 386 CPU board photos [2]
    • Added Vx riser card P/N and parts list [1]
    • Added Vx riser card photos [2]
    • Added 23F2165 4MB SIMM photos [2]
  • Added crosslinks between related PS/2 and PS/55 planar pages
  • Japanese Display Adapters page:
    • Added BVEC B1 outline and parts list [1]
    • Additional B1 adapter photo [2]
    • Added BVEC B1 BASE daughtercard outline and parts list [1]
    • Added BVEC B1 BASE photo [2]
  • PS/55 Adapter List - removed non-Japanese adapters, minor corrections
  • SCSI I/O Controller 4-4 - alternative adapter photos [3]
  • List of Known Planar IDs page:
    • Added alt. Ricoh MyTool name (thx Louis)
    • Added 5571-V1 ID (thx Louis)
  • NCR System 3300 - Model 3350 - removed "Bam-Bam?" reference from Clarity I section
  • Other minor changes

   [1] Outline and part ID by Tomáš Slavotínek
   [2] Photos and files from Tomáš Slavotínek
   [3] Photo from Y! Auctions Japan seller "k_border_815"

10 Jan 2025

   [1] Page compiled by Louis Ohland, edited by Tomáš Slavotínek
   [2] Photo from DesignSpark

03 Jan 2025 — 04 Jan 2025

   [1] Document scan provided by Kevin Adams

01 Jan 2025

  • Upgrading the P90 Complex pages:
    • Removed some obsolete and/or redundant info
    • Additional BIOS info and links
  • Website backend update
  • Other minor changes

Older Changes

2024 Changelog
2023 Changelog
2022 Changelog
2021 Changelog
2020 Changelog
2016 – 2019 Changelog

Note: Changelogs from 1998 through 2016 are unavailable because page updates weren't formally tracked. Update notices were typically posted to the CSIPH newsgroup — try searching there if you want to pinpoint when a specific change or piece of information was added.

Content created and/or collected by:
Louis F. Ohland, Peter H. Wendt, David L. Beem, William R. Walsh, Tatsuo Sunagawa, Tomáš Slavotínek, Jim Shorney, Tim N. Clarke, Kevin Bowling, and many others.

Ardent Tool of Capitalism is maintained by Tomáš Slavotínek.
Last update: 16 Feb 2025 - Changelog | About | Legal & Contact