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2023
03 Dec 2023
[1] Files from Hugh Burns
[2] Files sourced from Center for Embedded and Cyber-physical Systems
29 Nov 2023
21 Nov 2023
[1] Files and information from Christian Holzapfel
[2] Article HTMLized by Louis Ohland, edited by Tomáš Slavotínek
19 Nov 2023 – 20 Nov 2023
- P/390 - S/390 Microprocessor Complex page:
- Added disk images (thx Alexander Paterakis) [1]
- Added fixpacks (thx Alexander Paterakis) [1][2]
- Added PDF documents (thx Alexander Paterakis) [2]
- Roland MPU-IMC - added better adapter photos [2]
- 8525 Planar - planar FRU P/N correction
- Added Tecmar MicroRAM 386 page containing:
- Adapter photos [3]
- Adapter outline [4]
- Support files [3]
- Overview of adapter's features
- Added Serial EEPROM page containing:
- General information about the serial EEPROM subsystem
- List of supported machines
- List of used devices
- Info about programming interface and equipment
- Lacuna Planar page:
- Added SLC3/BL2 to the outline/parts list
- Added EEPROM prog. header to the outline/parts list
- Minor outline corrections
- Bermuda Planar page:
- Added EEPROM prog. header to the outline/parts list
- Other parts list tweaks
- 9556 / 9557 Planar page:
- Added EEPROM prog. header to the outline/parts list
- Other parts list tweaks
- 9585 Type 1 Planar page:
- New planar outline
- Added note about alternative board layout
- Added EEPROM IC to the outline/parts list
- Added EEPROM prog. header to the outline/parts list
- Added J15 clock selection info to the parts list
- Added B1/B2 bus bar info to the parts list
- Added U4 audio op-amp to the outline/parts list
- 9585 Type 2 Planar page:
- Reworked planar outline
- Added EEPROM prog. header to the outline/parts list
- Corrected bus bar B2 info in the outline/parts list
- 8595 / 9595 XP Planar page:
- Reworked planar outline
- Corrected test point info in the parts list
- 9595A / Server 500 Planar page:
- Reworked planar outline
- Added EEPROM prog. header to the outline/parts list
- Common Jumpers & Connectors page:
- Added alt. interlock connector info
- Added info about undocumented power request pins for JMP3
- Added JMP6 pinout diagram
- S36/38 Workstation Emulation Adapter - corrected short adapter photo banner
- 3270 Connection Adapters - ISA adapter parts list corrections
- Token-Ring Network 16/4 Adapter/A page:
- Corrected the older vs newer adapter identification (thx David)
- Corrected ZM3 P/N for the older adapter (thx David)
- Micro Channel Pinouts page:
- Errata (OCR)
- Reworked image & table references
- Added links to the original PDF documents
- Processor Complex Pinout - minor errata
- Model 5550 386 page:
- Updated S/T Stage 2 Planar outline and parts list, leaking caps info
- Added datasheet links
- Added 5551-S0/T0 specifications
- Added external links
- Reorganized, fixed some typos
- Added 5550-S/T/V Engineering Changes page [5]
- List of IBM ASICs & GAs - 5550 386-related additions/changes
- Japanese Display Adapters page:
- Added Display Adapter I POS ID and alt. name
- Added ADF links
- Added BIOS Modes [5]
- Added external links
- IBM SCSI - added link to a blog post about BlueSCSI on Spock (thx Louis)
- Future Domain SCSI - added values of Patriot caps [6]
- ChipChat 16 & 32 - added photos [2]
- ATI 8514 Ultra page:
- Added User's Guide version 2.1 [2]
- Added 1130111315 ROM image dump [2]
- Added floppy images [2]
- IBM Display Adapter 8514/A - added datasheet links
- Added IBM ROM BASIC page containing: [8]
- General information about ROM BASIC
- List of supported machines
- List of ROM BASIC versions
- List of BASIC.COM/BASICA.COM versions
- Description of relevant interrupt routines
- Adapter Picture Collection - recovered 6 missing images, minor errata (thx David)
- Added the following ADF files to the ADF Stash and relevant adapter pages:
- @8F62.ADF IBM 10/100 Mbps TX MCA Ethernet Adapter (custom) [7]
- @EFFE.ADF Japanese Display Adapter (alt., Japanese text) + ADP
- Datasheets - various additions/replacements
- IBM Plant Codes page:
- Added info about codes 23, 72 & 91 (thx Joe George)
- Corrected code 10 from Rochester NY to MN (thx Fant Steele)
- Swapped the Notes and Source columns
- Style/layout changes to make the page more usable at higher resolutions
- Other minor changes
[1] Files sourced from Kevin Bowling's archive (original)
[2] Photos/files from Alexander Paterakis
[3] Photos/files from Ilya Vorobiev
[4] Outline by Tomáš Slavotínek
[5] Content by "Akamaki" from Diary on wind
[6] Information provided by Josh Behrends
[7] Files from Ryan Alswede
[8] Based on content by David Beem
29 Jul 2023 – 30 Jul 2023
[1] Photos/scans by Tomáš Slavotínek
[2] ROM dump by Tomáš Slavotínek
[3] Photos from David Beem
[4] Photos from ebay seller "bdemchak"
07 Jul 2023
[1] Article HTMLized by Louis Ohland, edited by Tomáš Slavotínek
[2] Outlines and part ID by Tomáš Slavotínek
[3] Photo from Ilya Vorobiev
28 Jun 2023
[1] Photo from Ilya Vorobiev
[2] Outline by Tomáš Slavotínek
[3] Article HTMLized by Louis Ohland, edited by Tomáš Slavotínek
03 Jun 2023 – 04 Jun 2023
- 8573 P70 page:
- Added oscillator frequencies for the old DA
- Added PLPC info
- Added Matrox Impression page containing:
- Adapter outline and parts list [1]
- Adapter photo [2]
- Drivers and other files (thx Louis!)
- Impression/Ultima variants
- RAMBIOS.SYS info
- Matrox MG-108-M - added local copy of the files (thx Louis!)
- Added Finn Thogersen's VGADOC version 4b
- ChipChat 16 & 32 page:
- Added disk 1 & 2 images [3]
- Added User's Guide (from disk 1)
- Added IBM 386DX Processors page [4]
- Added QEMM 50-60 page w/ disk image and information [4]
- Other minor changes
[1] Outlines and part ID by Tomáš Slavotínek
[2] Photo from ebay seller "on-wing"
[3] Disk images provided by Lionel Harris
[4] Files and information provided by David Beem
27 May 2023 – 28 May 2023
- IBM SCSI Serial Console page:
- Expanded the console announcement section
- Updated the command list
- Added description of the Trace command
- Corrected and expanded description of the Fill command
- Added some info about the ALIVE/ITS signals
- Additional timing info for the loopback detection signal
- Added Further Reading
- Corrected/removed some now obsolete info
- IBM Ultimedia Audio (7-6) page:
- Updated outline & additional part ID
- Added some datasheet links
- Added PROM speculation
- Added Y1 xtal info
- Added scans of the 11H7636 adapter [1]
- External Links - aperiodic update (Jim's page is back)
- 8573 P70 page:
- Added oscillator frequencies for the old DA
- Added a piece of PLPC info
- Other minor changes
[1] Photos/scans by Tomáš Slavotínek
23 May 2023 – 24 May 2023
- IBM SCSI Serial Console page:
- Added diagrams of the serial connection
- Added info about entering the 80188/80186 console
- Updated the command list
- Added description of the @, RC1A, RC1B, RC3 commands
- Replaced examples based on disassembly with captured console output
- Added a note about CHRESET's source (thx Louis)
- Added a terminal screenshot
- Other minor changes
21 May 2023
- 8573 P70 page:
- HTMLized plasma display pinout table
- Styled the other pinout tables
- Edited Arne Falch's findings
- Added IBM DBA-ESDI Hard Drives page containing:
- Information moved from the P70 page
- Styled pinout table
- Additional links
- Other minor changes
18 May 2023
[1] Outlines and part ID by Tomáš Slavotínek
[2] Photos from DreamHardware and SuperVinx
[3] Photos/scans by Tomáš Slavotínek
[4] Photos by Tatsuo Sunagawa
[5] Content collected and HTMLized by Louis Ohland; formated by Tomáš Slavotínek
27 Apr 2023
- IBM Ultimedia Audio - credited Ryan as the author of the installation instructions
- Other minor changes
23 Apr 2023
[1] Photos and ROM dumps by Eric Schlaepfer aka "Tube Time"
[2] Outline and part ID by Tomáš Slavotínek
18 Apr 2023 – 20 Apr 2023
[1] Reverse engineered by Eric Schlaepfer aka "Tube Time"
15 Apr 2023 – 16 Apr 2023
- Type 0 Complex page:
- Added adapter photos [1]
- Additional adapter ID info
- PDF Documents - added IBM PC 300, 700, IntelliStation HMMs
- IBM PC730/750 page:
- Added video, audio & various other disk images
- Added riser information
- Added links to IBM PC 300, 700, IntelliStation HMM
- Added EPRM links
- IBM PC720 page:
- Chipset identification
- Part ID corrections and additions
- Added EEPROM header info
- IBM SCSI and planar pages - BIOS vs microcode ROM errata
- SCSI-2 Fast/Wide Adapter page:
- PLCC socket info errata, pin info, and ROM datasheets
- Additional part ID
- Added flash info, datasheet and photo
- Additional J7 pinout info
- Corrected and expanded jumper info
- Reorganized and cleaned up
- 85/95 Common Devices - added better SIMM layout illustration (thx Louis)
- Added Dual Path / Dual Bus Memory page, merged with info from other pages [2]
- IBM Technical Disclosure Bulletins - added LTB/SCSI related TDB
- List of IBM ASICs & GAs - added local bus SCSI controller chips
- Other minor changes
[1] Photo from ebay seller "nyce-distribution"
[2] HTMLized by Louis Ohland, edited by Tomáš Slavotínek
02 Apr 2023 – 04 Apr 2023
- IBM PC720 - added info about riser battery
- PC720 Power Supply page:
- Added Remove PSU instructions
- Added Open PSU instructions w/ photos [1]
- Added photo of the PSU internals and fan protrusion [1]
- Better PSU sticker photo [1]
- Added PSU fan type, specs and photo [1]
- Additional info about PSU connectors
- 9556 / 9557 Planar page:
- Added photo of the SLC3 planar [2]
- Added photo of an early SLC2 planar [3] (thx Louis)
- Additional info about BIOS ROM
- Added info about early SLC2 planar rework
- Troubleshooting Map - added Blinking cursor issue w/ incompatible memory (thx Louis)
- SCSI POST Errors - overhauled and extended (thx Louis)
- Future Domain SCSI page:
- Cleaned up; fixed dead links
- Merged with the Patriot Power page
- Reworked the OS/2 Drivers & Switches section
- 8590 / 9590 Planar - updated Loading SIMMs illustration (thx Louis)
- IBM SCSI Microcode page:
- Tweaked planar links, added MCU links
- Added missing planar FRU P/Ns
- Fixed flash size info and added flash image size note
- SCSI-2 Fast/Wide Adapter page:
- Added adapter photos [1][4]
- Additional adapter ID info
- Other minor changes
[1] Photos by Tomáš Slavotínek
[2] Photo from Carsten Lyng
[3] Photo from ebay seller "intergalacticmicrosystems"
[4] Photo from ebay seller "dreamhardware_com"
25 Mar 2023 – 27 Mar 2023
[1] Photos from ebay seller "ctesales" (edited)
[2] Photos from ebay seller "alan_computech_intl"
[3] Photos from ebay seller "jordan16j" (edited)
20 Mar 2023 – 21 Mar 2023
- IBM PC720 page:
- Updated planar outline/parts list (EEPROM & Op-amp)
- Reorganized the riser section
- Added/corrected info on riser jumpers J1 and J2 (thx Tatsuo)
- 8535/8540 Planar - added outline and parts list [1]
- Other minor changes
[1] Outline and part ID by Tomáš Slavotínek
19 Mar 2023
- 8556 / 8557 Planar page:
- Three new planar outlines replacing the original one [1]
- Additional part ID [1]
- Added info about PCB modules on the early boards; incl. photo [2]
- Added info about CPU rework on the early boards; incl. photos [2]
- Added list of notable differences between the board revisions
- Added photos of the early [3] and later [4] planar
- Additional BIOS P/Ns
- Various other corrections and additions
- 9556 / 9557 Planar page:
- New planar outline [1]
- Additional part ID [1]
- IBM PC720 page:
- New planar and riser outlines [1]
- Additional part ID [1]
- Additional planar and riser photos [5]
- Various other corrections and additions
- Networking page:
- 8580 Planar Memory page:
- Added Kingston KTM-1000/M80 outline/parts list [1] & photos [7]
- Added Kingston KTM-2000/M80 outline/parts list [1] & photos [8]
- IBM 2 MB 90X8670 - updated outline/parts list [1] & photos [9][10]
- Additional connector types (Burndy & Panduit)
[1] Outline and part ID by Tomáš Slavotínek
[2] Photos from Louis Ohland
[3] Photos from SuperVinx
[4] Photos from ebay seller "ctsales"
[5] Photos by Tomáš Slavotínek
[6] Disk imaged and document scanned by Ray Zeisz
[7] Photos from ebay seller "austintxresale"
[8] Photos from ebay seller "black_sails_salvage2"
[9] Photos from pc-history.com user "MaiklsBlack" (link)
[10] Photos from sweclockers.com user "Övrigt" (link)
10 Mar 2023 – 12 Mar 2023
- IBM PC720 page:
- Added zipped raw images for all disks
- Added PC720 Utility Diskette v1.10 image [1]
- Added PC720 Support Diskette v1.10 image [1]
- Added S3 Vision864 support disk image [1]
- Added PCMCIA option disk image [1]
- Added Small PCI Token Ring adapter disk images [1]
- Added IBM IDE 2x CD-ROM option disk image [1]
- Added scans of selected floppy disks [2]
- Additional part ID + links
- Added images from PS/55 Files page
- PS/55 Files - Removed PC720 disk images
- Added PC720 Power Supply page containing:
- PSU specifications
- PSU sticker photo [2]
- Pinout for all PSU connectors
- Fan info moved from the main PC720 page
- PS/55 Model 5520 - added planar P/Ns and other ID (thx Tatsuo)
- Type 4 Complex - tweaked Complex Features table legend (thx Louis)
- PC Server 195/295 - added zipped refdisk/diags images
- PC Server 320/520 PCI/MCA - added zipped refdisk/diags/flash images
- PC Server 320/520 PCI/EISA - added zipped refdisk/diags/flash images; cleanup
- PC Server 720 - added zipped refdisk/diags images
- Other minor changes
[1] Photos and scans from Tomáš Slavotínek
[2] Disks imaged by Tomáš Slavotínek
03 Mar 2023
28 Feb 2023 – 01 Mar 2023
18 Feb 2023
[1] Photos from Kevin Moonlight
09 Feb 2023 – 13 Feb 2023
[1] Photo from aucview.aucfan.com
[2] Photo from Yahoo! JAPAN Auctions seller "ttl_lv20c"
05 Feb 2023
[1] Scans by Tatsuo Sunagawa (original HERE)
[2] Information from Tatsuo Sunagawa (original HERE)
30 Jan 2023
26 Jan 2023
[1] Photos provided by "limsup"
20 Jan 2023
[1] Files provided by Christian Holzapfel
07 Jan 2023 – 12 Jan 2023
[1] HTMLized by Louis Ohland, expanded by Tomáš Slavotínek
Older Changes
2022 Changelog
2021 Changelog
2020 Changelog
2016 – 2019 Changelog
Note: Changelogs from the 1998 – 2019
period are not available as Louis wasn't keeping track of the page updates.
Update notices were posted typically posted to the
CSIPH newsgroup — try searching
there if you want to date a particular change or piece of information.
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