My Vintage Computer Virtual Museum and blog page.

TRS80 Pocket Computer (PC1)

My TRS80 Pocket Computer PC1 (added to my collection in 2015)

  • 2x 4-bit processors running at 256Khz (one dedicated to I/O & LCD driver)
  • 1.5K of user RAM
  • Basic programming language in ROM
  • Quoted 200 hour battery life on 4x button cells
  • My unit has the Printer/Cassette interface dock which has:
    1. Audio Cassette tape I/O for program storage.
    2. 16 character wide dot matrix printer (calculator roll type)
    3. Internal rechargeable (AAx4) NiCd battery pack for portable use.

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