IBM PS/2 Model 70: Revision history

25 September 2026

• curprev 00:1900:19, 25 September 2026 Josh talk contribs 23,753 bytes +217 P4 verification: link the IBM manuals hosted on this wiki that document this machine (they were unlinked from every article) undo

22 September 2026

• curprev 00:0700:07, 22 September 2026 Josh talk contribs 23,536 bytes +465 Planar table: ardent-tool gives conflicting FRU numbers for the 16/20 MHz boards across its own pages - restructure the table by board type and state the conflict rather than picking one undo
• curprev 00:0300:03, 22 September 2026 Josh talk contribs 23,071 bytes +9,300 Verified against IBM Technical Reference (Oct 1990), IBM announcement letters 188-078/188-079/189-102/189-144/189-196/191-079 and ardent-tool planar maps. Fixed: RTC is a Motorola MC146818A with a separate 6 V lithium pack (FRU 72X8498), not a Dallas DS1287/DS12887; slots are 2x32-bit + 1x16-bit AVE, not 3x32-bit; memory is 3 SIMM sockets/6 MB (16-20 MHz) or 4/8 MB (25 MHz), not 4 sockets/16 MB; fixed disk is DBA-ESDI with integrated controller, not an ESDI Fixed Disk Adapter/A card; dimensio... undo

21 September 2026

• curprev 21:5121:51, 21 September 2026 Josh talk contribs 13,771 bytes +20 Verification drive: flag unverified component data pending check against a primary source undo

23 May 2026

• curprev 17:3217:32, 23 May 2026 Josh talk contribs 13,751 bytes 0 Reduce infobox badge size from 250px to 150px undo
• curprev 17:2617:26, 23 May 2026 Josh talk contribs 13,751 bytes +64 Add IBM badge to infobox (logo = File:IBM PS2 Model 70 386 badge.svg) undo

22 May 2026

• curprev 11:1111:11, 22 May 2026 Josh talk contribs 13,687 bytes −1 →Submodels undo
• curprev 11:1011:10, 22 May 2026 Josh talk contribs 13,688 bytes +1,414 Fix infobox field names (cpu/release date/display); add gallery; fix image references undo
• curprev 10:4610:46, 22 May 2026 Josh talk contribs 12,274 bytes +12,274 Split combined PS/2 50/60 and 70/80 pages into per-model pages