Revision as of 08:15, 10 April 2025 view source Retroand (talk \| contribs) Bureaucrats, Interface administrators, Administrators 666 edits Added explanation about probe not displaying results, added explanation that stock 8275s fail test 05h. ← Older edit		Revision as of 06:53, 15 April 2025 view source Retroand (talk \| contribs) Bureaucrats, Interface administrators, Administrators 666 edits →‎Expansion ports Newer edit →
Line 140: === Expansion ports === The Datamaster has ~~three~~four expansion ports located at the rear of the system. It is important to notice that when the PC was developed most of the pins were left in place and, contrary to the popular belief, one is not the mirrored image of the other.<ref>https://forum.vcfed.org/index.php?threads/system-23-datamaster-i-o-slots.1248011/</ref> [[File:IBM System 23 expansion port comparison with ISA-8.png\|frame\|center\|alt=IBM Datamaster and PC I/O bus comparison\|IBM Datamaster and PC I/O bus comparison]]

IBM System/23 Datamaster: Difference between revisions