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File:Radio Shack TRS-80 Model II Technical Reference Manual (26-4921, 1980).pdf

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Summary

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Radio Shack's TRS-80 Model II Technical Reference Manual, catalogue number 26-4921, copyright 1980. Scan of 204 PDF pages covering sections I to XVI (system description, troubleshooting and replacement, CPU module, floppy disk controller, video/keyboard interface, memory board, Motorola and RCA video monitors, SA800 floppy drive, AA11080 power supply, card cage and motherboard, keyboard unit, peripheral interfaces, Disk Expansion Unit, AA11100 power supply and illustrated parts breakdown), with parts lists and schematics. The section XVII appendices (Zilog, Western Digital and Motorola data sheets and the Shugart and CDC drive manuals) are not in this scan. Described on Radio Shack TRS-80 Model II Technical Reference Manual.

Source

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https://archive.org/details/Model_II_Technical_Reference_Manual_1980_Radio_Shack (retrieved 2026-10-21)

Author

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Radio Shack, a division of Tandy Corporation.

Licence

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Copyright 1980 Radio Shack, a division of Tandy Corporation. Hosted for preservation and repair reference, with the source cited.

File history

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Date/TimeDimensionsUserComment
current19:01, 21 October 20260 × 0 (12.57 MB)Josh (talk | contribs)Radio Shack TRS-80 Model II Technical Reference Manual, catalogue number 26-4921, 1980 (archive.org scan)

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