TI-99/4A FAQ: Sidecar expansions

Many Sidecar Expansions were made for the TI-99/4A:

TI Sidecars:

  • Speech Synthesizer
  • 32k Memory Expansion
  • SS/SD Disk controller
  • RS232
  • PCode
  • Video Controller

Corcomp Sidecars:

  • CC9900 Micro Expansion System
    • The 9900 Micro expansion from Corcomp provided 32k and also an optional board can be installed to provide a DSDD disk controller and RS232/PIO ports
  • Corcomp Clock
  • Corcomp 256/512k Ramdisk

Myarc Sidecar

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