https://wiki.retrotechcollection.com/index.php?action=history&feed=atom&title=IBM_PCjr_Technical_Reference 2026-07-17T11:37:44Z Revision history for this page on the wiki MediaWiki 1.45.3 https://wiki.retrotechcollection.com/index.php?title=IBM_PCjr_Technical_Reference&diff=10660&oldid=prev 2026-05-22T08:48:26Z

<p>Create page for IBM PCjr Technical Reference</p> <p><b>New page</b></p><div>&lt;pdf&gt; File:IBM PCjr Technical Reference.pdf &lt;/pdf&gt;<br /> <br /> Official IBM PCjr (4860) Technical Reference. Documents the PCjr system unit, the SN76496 sound chip register map, the cartridge interface, the sidecar bus, and the IR keyboard protocol.<br /> <br /> Download the IBM PCjr Technical Reference here: [[:File:IBM PCjr Technical Reference.pdf]]<br /> <br /> [[Category:IBM Service Manuals]]</div>

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