IBM PS/2 Model 25: Revision history

25 September 2026

• curprev 00:2000:20, 25 September 2026 Josh talk contribs 24,592 bytes −96 P4 verification: remove the now-duplicated manual link bullet (superseded by the fuller documentation line) undo
• curprev 00:1900:19, 25 September 2026 Josh talk contribs 24,688 bytes +184 P4 verification: link the IBM manuals hosted on this wiki that document this machine (they were unlinked from every article) undo

23 September 2026

• curprev 03:3103:31, 23 September 2026 Josh talk contribs 24,504 bytes +2,963 Rebuilt against IBM's Model 25 Technical Reference (hosted here) and the ardent-tool planar maps. Colour PSU is 113 W not 115 W (IBM TechRef; the Canadian quick reference rounds it) and the 286/SX are 124.5 W; the fixed disk is a dedicated 44-pin I/O-channel connector with the controller ON THE DRIVE, not an ST-506 controller or an aftermarket ST-506 kit; keyboard and mouse ports ARE interchangeable on the 8086 per IBM, so the '301 error if swapped' claim is removed; corrected the planar chip... undo

23 May 2026

• curprev 17:3217:32, 23 May 2026 Josh talk contribs 21,541 bytes 0 Reduce infobox badge size from 250px to 150px undo
• curprev 17:2617:26, 23 May 2026 Josh talk contribs 21,541 bytes +65 Add IBM badge to infobox (logo = File:IBM PS2 Model 25 8086 badge.svg) undo

21 May 2026

• curprev 14:4214:42, 21 May 2026 Josh talk contribs 21,476 bytes −1 →Submodels undo
• curprev 14:4014:40, 21 May 2026 Josh talk contribs 21,477 bytes +21,477 Create comprehensive IBM PS/2 Model 25 page set with verified facts, real images, full PS/2 POST code reference, integrated CRT safety, per RTC style guide