IBM PC AT (5170): Revision history

25 September 2026

• curprev 00:2000:20, 25 September 2026 Josh talk contribs 17,579 bytes −100 P4 verification: merge the duplicated manual links into one documentation line undo
• curprev 00:1900:19, 25 September 2026 Josh talk contribs 17,679 bytes +219 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 03:3903:39, 23 September 2026 Josh talk contribs 17,460 bytes +5,808 Rebuilt against IBM's AT Technical Reference and the Personal Computer Family Service Information Manual (both hosted here) plus minuszerodegrees. Corrections: weight is 19.05 kg (42 lb) in IBM's service manual and 20.0 kg (44 lb) in the Technical Reference - both quoted - not '~43 lb (19.5 kg)'; height is 162 mm (IBM prints 6.8 in), not 6.4 in; the eight I/O slots are SIX 16-bit and TWO 8-bit, not eight 16-bit; the 16450 UART belongs to the separate Serial/Parallel Adapter, not the system bo... undo

23 May 2026

• curprev 17:3217:32, 23 May 2026 Josh talk contribs 11,652 bytes 0 Reduce infobox badge size from 250px to 150px undo
• curprev 17:3017:30, 23 May 2026 Josh talk contribs 11,652 bytes +58 Add IBM badge to infobox (logo = File:IBM PC AT 5170 badge.svg) undo

21 May 2026

• curprev 11:1811:18, 21 May 2026 Josh talk contribs 11,594 bytes −2 →Motherboard Revisions undo
• curprev 11:1811:18, 21 May 2026 Josh talk contribs 11,596 bytes +11,596 Create/rewrite IBM PC AT (5170) and IBM PCjr (4860) page set with verified facts, real images, and embedded content per RTC style guide