Commodore SX-64 - Technical Information

Technical Information

Like the Commodore 64, except the following:

  • Built-in storage: 170 kB 5ΒΌ" floppy disk drive (internal version of the Commodore 1541)
  • Built-in display: 5" inch (127 mm) composite color monitor (CRT)
  • Keyboard: Separate unit, connected by cord to CPU unit
  • Cartridge port: Placed on top of CPU unit, w/spring-loaded fold-in lid, cartridges inserted vertically (vs horizontally into back of C64)
  • I/O connectors:
    • Serial interface (rear)
    • Video out connector (rear)
    • User Port (rear)
    • Cartridge Port (hidden under two flaps on the top)
    • No Datassette interface
    • No RF modulator & connector
    • Non-standard 25-pin keyboard connector below right side of front panel. The connectors are similar but not identical to D-subminiature connectors and notoriously hard to find today
    • Standard three-prong AC power connector (vs C64 DIN plug to "power brick" PSU)
  • Power supply: Internal unit with transformer and rectifiers (vs external C64 PSU)
  • Extra features: Floppy disk storage compartment above disk drive which could be used to build in an extra floppy drive or compatible sized modem

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