Update History

PS/55 Pages

For more recent changes see the Global Changelog.

06 Feb 2006  Links to larger pictures stored in free web space (sandy55.fc2web.com).
Uploaded ref/diags for major PS/55 systems.
I'm back to the PS/55 world again!
18 Sep 2004Added link to Another Still Crazy page and model M keyboard.
Both pages were written in Japanese.
A few Model M pages are available in English.
Minor fix for some dead links.
21 Jun 2003Added 5576 Keyboard section
17 May 2003Updated 5550-386 stage 1&2 system boards.
Added 8MB SIMM usage in 5530-T section.
04 May 2003Corrected 5560-W and 5580-W information
16 Feb 2003Updated 5530 section
11 Feb 2003Divided 5560 & 5580 into separate pages
02 Feb 2003Added Files section. Don't know how long will it last.
Added a handy diagram page outlining the PS/55 history.
01 Feb 2003Updated pictures of Japanese Display Adapters and short SCSI /A
26 Jan 2003Updated 5550-386, 5550-486, and 5530.
5540 and 5510 pages separated from 5550-386.
19 Jan 2003Added link to Multistation English page
13 Jan 2003Added link to Multistation Japanese page by Mr. Tahara
11 Jan 2003Added IC DRAM page
10 Jan 2003Updated xxx0/xxx1 model numbering in 5550 (386, 486)/5570/5560 sections
09 Jan 2003Added 5541-T planar outline from Mr. Tahara
02 Jan 2003Added photo of Matilda
29 Dec 2002Added 1.2MB FD info in 5550-486 page. Revised 51-N/R planar outline
28 Dec 2002Uploaded Still Crazy 021020 & 021228
20 Dec 2002Updated 5530 section
02 Dec 2002Separated SVGA Adapters from the PS/55 Display Adapter section
15 Nov 2002Updated Interposer section
02 Nov 2002Added P54C section
27 Oct 2002Added 386 Upgrade section
13 Oct 2002Added 486 Interposer section. Various amendments to all pages.
Updated Still Crazy page.
07 Sep 2002Published the original (crappy) pages (CSIPH announcement)

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

Ardent Tool of Capitalism - MAD Edition! is maintained by Tomáš Slavotínek.
Last update: 05 Feb 2023 - Changelog | Legal Info & Contact