Changelog

2025 Changes

30 Dec 2025

  • Future Domain MCS-350 page:
    • Added External SCSI Connector Pinout [1]
    • Added description for J1, J2, and RN2,3,4
    • Added note about TERMPWR [1]
    • Added note about ADF wait-state
  • Trantor T200 / SCSI-PS page:
    • Changed title
    • Corrected POS ID and added ADF link
    • Added adapter photos [1]
    • Added adapter ID info incl. FCC ID
    • Added T200 SCSI adapter drivers v1.12
    • Added T200 SCSI adapter drivers v2.36
    • Added ADF sections (thx Louis)
  • Trantor T228 page:
    • Added FCC ID info
    • Added T228 SCSI adapter drivers v2.36
    • Added PAL info (thx Louis)
  • Trantor T260 page:
    • Added FCC ID info
    • Reorganized page
  • Added a local copy of the Trantor Error Messages page
  • Micro Channel Pinouts - added Driver and Receiver info on MME signals
  • Other minor changes

   [1] Info from Hugh Burns

28 Dec 2025

  • Future Domain MCS-350 page:
    • Added Future Domain MCA Option Disk image [1]
    • Added FDU-CD CD-ROM Device Driver Version 2.20 Disk image [1]
    • Moved FD BIOS V1.2 ROM image [1]
    • Added wait-state ADF option explanation
  • Future Domain MCS-600/700 page:
    • Added link to FD @60E9.ADF file
    • Added link to Future Domain MCA Option Disk image [1]
  • Other minor changes

   [1] Files from Hugh Burns

27 Dec 2025

  • Radius SVGA MultiView MC - added local photos (vgamuseum.ru is down)
  • Network Adapters - moved G/Ethernet & G/Ethertwist from Token Ring to Ethernet (thx Louis)
  • Needham's Programmers page:
    • Added v1.2, v1.3, and v1.4 installers (thx Louis)
    • Replaced corrupted v1.6 installer executable (thx Louis)
  • Models 40, 57 & 77 - Power Supply - added link to Resurrecting an IBM 8540 PSU (thx Louis)
  • Memory Index - added link IBM Information Brief - Types of Memory (thx Louis)
  • Memory Error Correction - added Failure Rate by Memory Type table (thx Louis)
  • Split Future Domain MCS-350 and MCS-600/700 to two separate pages
  • Future Domain MCS-350 - added adapter ID info
  • Future Domain MCS-600/700 page:
    • Removed bogus "MCS-200" adapter name
    • Moved "MCS-200" outline/parts list to the "MCS-600" section
    • Added Quantum MC-200S photos [1]
    • Added Quantum MC-200S adapter ID info
    • Added FD MCS-600 & MCS-700 adapter ID info
    • Reorganized and cleaned up
  • Other minor changes

   [1] Photos by Alexandros Paterakis

27 Nov 2025

  • Added Intel 82385 Cache Controller page containing:
    • Documentation links
    • List of 82385-based systems
    • List of 82385 64 KB support PALs
    • 82385 64 KB support block diagram
  • 8570 Type 3 & 4 Planar - added 386 Processor Board photo
  • All relevant 82385 pages - added link to the new 82385 page
  • Other minor changes

26 Nov 2025

  • Complex Index, Complex ID, Complex Capabilities - corrected Type 0 Plus cache size (thx Louis)
  • Type 0 Processor Complex - added comment regarding the 32 KB vs 64 KB 82385 implementations
  • PS/2 Models 55 SX and 55 LS page:
    • Added early planar photos [1][2]
    • Added early planar P/N info
    • Added early planar rework info & photos [1]
    • Added alternative late planar photos [2]
    • Added ZM22 info for late planar (SX vs LS)
    • Added 55 LS planar photos [3]
    • Added base planar ID info for all boards
    • Expanded part ID & added datasheet links
    • More accurate extended NVRAM info
    • Pointed out similarity between 55 SX/LS and 65 SX planars
    • Corrected 55 LS riser identification (thx Dave & John)
    • Corrected/expanded P/N info for all risers
    • Added description of 74F08 riser rework
    • Added description of SX/LS riser ID difference
  • 8565 SX Planar page:
    • Expanded part ID & added datasheet links
    • Pointed out similarity between 55 SX/LS and 65 SX planars
  • Other minor changes

   [1] Photos by Tomáš Slavotínek
   [2] Photos from The Retro Web
   [3] Photos by John Horvath

06 Oct 2025

  • Olivetti M6-5x0 Suprema page:
    • Added alternative planar photo [1]
    • Added Mad River module REV A photo [1]
    • Added Riser photos and parts list [1]
    • Added EEPROM to outline/parts list (thx Louis)
    • Confirmed front panel connector pinout
  • Serial EEPROM - added Olivetti M6 5x0 planar
  • Other minor changes

   [1] Photos by Tomáš Slavotínek

04 Oct 2025

  • Appian ADI/2 IDE Controller page:
    • Added ToC
    • Added list of relevant planars
  • Moved the following dead pages from External Links to Link Graveyard:
    • Personal System/55 by Tatsuo Sunagawa (coocan.jp)
    • Sandy55 Home Page by Tatsuo Sunagawa (fc2web.com)
    • A little bit of keyboards (fc2web.com)
    • IBM Multistation Family by Mr. Tahara (coocan.jp)
    • Just Another Freekin' Web Page & The P70 Project by Jim Shorney (incolor.com)
  • Updated the links listed above across the entire website
  • Other minor changes

14 Sep 2025

   [1] Files from GearTechWolf @ VCF

13 Jul 2025

  • Madge Smart Ringnode & Madge Smart 16/4 MC32 Ringnode - cleaned up pages
  • ADF Stash and adapter pages:
    • Added @501B.ADF - NBI Multinet Adapter [1]
    • Added @5FD6.ADF - Micro Channel ALICE Processor [1]
    • Added @6B2C.ADF - XIONICS XIP-D IMAGE PROCESSOR [1]
    • Added @8085.ADF - Truevision TARGA+ [1]
    • Added alternative @002D.ADF - Madge 16/4 MC Ringnode ADF version 1.05 [1]
    • Added alternative @0F1F.ADF - CMS Prevail Series SCSI Host Adaptor [1]
    • Added alternative @0FDF.ADF - NI9210 Micro Channel Network Controller (64K) [1]
    • Added alternative @5666.ADF - UMAX Scanner UG80 Adapter [1]
    • Added alternative @568B.ADF - MaynStream QIC-02 Tape Adapter (less DMA choices) [1]
    • Added alternative @5F77.ADF - SCSI Host Adapter (Storage Dimensions) [1]
    • Added alternative @612D.ADF - DaynaTALK MC Network Adapter Version 1.1 [1]
    • Added alternative @8080.ADF - PC Tech/MCA video adpter board [1]
    • Added alternative @80A5.ADF - Cornerstone DualPage Display (dated 03/12/90) [1]
    • Added alternative @80FC.ADF - STB PowerGraph/2 VGA Adapter [1]
    • Added alternative @DDFF.ADF - ESDI Fixed Disk Controller (no ADF, no IRQ) [1]
    • Added alternative @EFDC.ADF - IBM ActionMedia II Display Adapter/A [1]
    • Added alternative @FFE0.ADF - IBM LAN Adapter/A for Ethernet (2.0 w/ memory addr. choice) [1]
    • Various naming/description corrections
  • Other minor changes

   [1] Files from Ryan Alswede

15 Jun 2025

  • BusTek/BusLogic BT-640A page:
    • Added BusTek and CMS Enhancements to page title
    • Added CMS Enhancements adapter photos [1]
    • Additional part ID
  • IBM Plant Codes page:
    • Additional code 97 and 98 information
    • Added reference to Japanese ECA
  • Added PS/55 Engineering Change Announcements (ECA) page [2]
  • PS/55 Type 5535-M page:
    • Added Nikkei Pasocom article scan [2]
    • Added advertisement scan [2]
  • Model 5550 386 page:
    • Added alternative 5550-T Stage II planar photo [2]
    • Added 5550-S/T Stage II riser photo [2]
    • Added 5550-S/T Stage II memory exp. photo [2]
  • 5140 - PC Convertible - added Nikkei Pasocom article [2]
  • PS/2 RTC/CMOS Batteries page:
    • Reorganized page
    • Corrected Model 25 (8086) info
    • Corrected Model 55 LS and 65 SX info
    • Added DS1220 section
    • Added CR-2/3A section
    • Added planar links
    • Added Dallas datasheet links
    • Removed redundant info
  • Removed Model 25 Clock Batteries page (redundant info)
  • Reply PowerBoard 25 - added CMOS/RTC Battery info from Model 25 Batteries page
  • IBM Personal Typing System - added IBM Service Education Media Center video link (thx David)
  • Nth Graphics Double Edge - added BYTE snippet link and pricing info (thx Ryan)
  • ActionMedia Evolution - added yjfy.com links (thx Alexander)
  • Tweaked styles for better rendering at non-100% DPI scaling settings
  • Other minor changes

   [1] Photos from Lorenzo Mollicone
   [2] Photos and files provided by Akamaki

05 Apr 2025

  • Western Digital WD9500 Chipset page:
    • Added PWGA-1 Rev. 1 Data Book (thx Louis)
    • Reorganized page
  • WD-9510-MC/MCI page:
    • Added SW1 power off note (thx Louis)
    • Added horizontal frequencies to SW1 table; rephrased (thx Louis)
    • Added Memory Upgrade Module section w/ board ID, part ID & add. photo [1]
    • Added link to ISA photos @ yjfy.com (thx Louis)

   [1] Photo from yjfy.com

04 Apr 2025

03 Apr 2025

  • PC720 page:
    • Additional Front PCMCIA Board photos [1]
    • Added CD-ROM Drive photos [1]
    • Added CD-ROM Drive part ID
    • Added CD-ROM Drive installation procedure w/ pictures [1]
  • Many pages - unified the way item P/Ns are presented
  • Other minor changes

   [1] Photos from Y! Auctions seller "k_border_815"

02 Apr 2025

  • Added Gateway Communications Ethernet NICs page containing:
    • G/Ethernet MC 8221-0031 adapter photos [1]
    • G/Ethertwist MC 8220-0087 adapter photos [1]
    • G/Ethertwist MC 8220-0088 adapter photos [2]
    • Parts lists for all three adapters [3]
    • G/Ethertwist Diagnostic LEDs info [3]
    • Unused G/Ethertwist MCA Signals info [2][3]
    • G/Ethertwist Experience section [2][3]
    • ADF Sections [3]
    • Driver disk v1.01 image
    • Gateway Communications Network Products document

   [1] Photos from ebay seller "ctesales"
   [2] Photos and info from VCF user Alfh
   [3] Info from Louis Ohland, edited by Tomáš Slavotínek

31 Mar 2025

30 Mar 2025

  • PC720 page:
    • Added Front PCMCIA Board photos [1]
    • Added Front PCMCIA Board outline and board/part ID [2]
    • Added Front PCMCIA flex cable photos [1]
    • Reworked 2-slot PCMCIA Adapter outline [2]
  • Number Nine Pepper SGT page:
    • Added #9GX adapter photos [3]
    • Additional part ID and card ID + datasheet links
    • Reorganized and cleaned up page
  • WD-9510-MC/MCI page:
    • Changed page title to proper adapter name
    • Added ADF links
    • Added Paradise 8514/A Plus Card Quick Install Guide [4]
    • Added Paradise 8514/A Plus Card User's Guide [4]
    • Added Paradise Utilities Disk images & scans [4]
    • Additional part ID (VRAM)
    • Additional "MC" adapter photos [4]
    • Added SW1 Settings section
    • Added Features section
  • ADF Stash and adapter pages:
    • Added @8110.ADF - Radius TPD/PC-MCA [5]
    • Added alternative @0708.ADF - SDC3211B ADF version 2.0b [5]
    • Added alternative @0709.ADF - SDC3211F ADF version 2.0b [5]
    • Added alternative @80C3.ADF - ARTIST WinSprint MC [5]
  • External Links - added Sandy55 links
  • 7694 Personal Science Laboratory - cleaned up page
  • Micro Channel Architecture - added Altera documents (thx Alex)
  • Added IBM Designer Sheds Light on Micro Channel Architecture [6]
  • Other minor changes

   [1] Photos by Kevin Moonlight
   [2] Outline and part ID by Tomáš Slavotínek
   [3] Photos from ebay seller "Always New Deals Store"
   [4] Photos and files from Lorenzo Mollicone
   [5] Files from Ryan Alswede
   [6] HTMLized by Louis Ohland, edited by Tomáš Slavotínek

23 Mar 2025

   [1] Photos by Alexander Paterakis

22 Mar 2025

  • ADF Stash and adapter pages:
    • Added @57DF.ADF - DFI Handy Scanner HS-3000-II [1]
    • Added alternative @0708.ADF - SDC3211B (for LANStor installations) [1]
    • Added alternative @5F77.ADF - Palindrome SCSI Tape Adapter [1]
    • Added alternative @7FF9.ADF - IOMEGA PC4 Host Adapter Board [1]
  • IBM RT PC Family pages - cleaned up
  • WD-9510-MC/MCI - added RAMDAC Clip-on Feature Connector info
  • Magni PS/2 VGA Producer page:
    • Added photos of different adapter version [2]
    • Added info about RAMDAC clip-on board
    • Added AVE-related info
    • Added M5M4C500 datasheet
  • Other minor changes

   [1] Files from Ryan Alswede
   [2] Photo from ebay seller "ccex"

21 Mar 2025

  • Orchid ProDesigner II/MC page:
    • Added ProDesigner IIs/MC Driver Disk 2.1 [1]
    • Added ProDesigner IIs User's Manual (ISA/EISA)
    • Added Orchid Technical Support link
    • Better ET4000 Databook [2]
    • Added Info on ID shunts + photos [1]
    • Added Info on solder side components
    • Added Memory Supported info [2]
    • Added Oscillators info [2]
    • Added Translation ROM info [2]
    • Added ADF Sections info [2]
  • ADF Stash and adapter pages:
    • Better desctiption for @0086.ADF Orchid Pro II/MC ADFs
  • Index page - added PS/2 Form Factors info below the PS/2 family photo
  • PS/2 Form Factors - added Model 53 weight (thx Louis)
  • External Enclosures and Expansion Units pages - cleaned up
  • Other minor changes

   [1] Photos and files from Lorenzo Mollicone
   [2] Content from Louis Ohland

20 Mar 2025

   [1] Outline and part ID by Tomáš Slavotínek
   [2] Photos by Alexander Paterakis
   [3] Files from Eric Schlaepfer
   [4] Photos and files by Lorenzo Mollicone
   [5] Photos and files from Ryan Alswede
   [6] Photos from Lubomir Bogdanov

12 Mar 2025

  • IBM ESDI Controller page:
    • Added 90X8635 microcode ROM [1]
    • Added link to David's "INT 13h, Function 1Ch, Subfunction 0Bh" page
  • Other minor changes

   [1] ROM image provided by David Beem

11 Mar 2025

  • 8573 P70, 8573 P75 & PS/55 5545 - additional part ID and datasheet links
  • PS/55 Model 5545 page:
    • Added IBM Japan's OS/2 Portable link (thx Daehan)
    • Added 5545 display resolution and pricing info
  • Other minor changes

10 Mar 2025

  • All planar and complex pages - unified P/N presentation, additional board ID
  • Other minor changes

09 Mar 2025

  • M-ACPA page:
    • Added Connecting Audio Devices section from M-ACPA Windows 95 page
    • Added Windows 95 driver disk image [1]
  • Installing M-ACPA under Windows 95 page:
    • Added Windows 95 driver disk image [1]
    • Rephrased and restructured the content
  • ATI Graphics Ultra Pro page:
    • Fixed broken links (thx Louis & Lorenzo)
    • Moved mach32 documents to a separate section
  • IBM Token Ring Cabling page:
    • Added RJ45 Port Connector and RJ45 Wrap Plug
    • Reorganized and cleaned up page
  • ADF Stash - added @6A90.ADF for Dragon Speech Board 320 [2]
  • List of Planar ADFs - corrected FF6Fh description (thx Louis)
  • 8573 P70 - added Fitting ZZXIO McIDE-CF section with photos [3]
  • PS/55 Model 5545 - added 5545 ASCII advertisement link (thx Daehan)
  • Other minor changes

   [1] Disk image from Ryan Alswede
   [2] File provided by Timothy Colegrove
   [3] Photos by Daehan Lee

23 Feb 2025

   [1] Photos by Lorenzo Mollicone
   [2] Photos by ebay seller "tau_cety", edited by Louis Ohland

22 Feb 2025

  • M-ACPA page:
    • Added ACPA Long photo [1]
    • New ACPA Long outline and additional part ID [2]
    • New ACPA Short outline [2]
    • Added ACPA Ultimedia photo [3]
    • New ACPA Ultimedia outline and additional part ID [2]
  • ADF Stash - added alternative @8FD6.ADF from M77 refdisk (thx Ryan)
  • Other minor changes

   [1] Photos by Lorenzo Mollicone
   [2] Outline and part ID by Tomáš Slavotínek
   [3] Photo from ALO.bg

19 Feb 2025

  • External Links - added "IBM PS Products Directory Listing" link (thx Louis)
  • 8556 / 8557 Planar - added LC8 & LC13 header photo [1]
  • Lacuna Planar - added VRM photos [2]
  • ARCO AC-107x page:
    • Added AC-1070 REV-C and AC-1070/75 REV-C photos [3]
    • Additional part ID
    • Reorganized page
  • Other minor changes

   [1] Photo by Frank Brown
   [2] Photos by Tomáš Slavotínek
   [3] Photos by Lorenzo Mollicone

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 Daehan Lee
   [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: 30 Dec 2025 - Changelog | About | Legal & Contact