File:IBM PCjr Technical Reference.pdf
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IBM_PCjr_Technical_Reference.pdf (0 × 0 pixels, file size: 6.35 MB, MIME type: application/pdf)
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.
Source: Ardent Tool of Capitalism (ardent-tool.com) / ps-2.kev009.com / Internet Archive.
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| current | 09:48, 22 May 2026 | 0 × 0 (6.35 MB) | Josh (talk | contribs) | Upload of IBM PCjr Technical Reference |
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