Introduced in 1985, the TO9 builds on existing Thomson technology to make a more "high end" computers. While the core is the same (1MHz 6809E CPU), many of the TO7/70 expansions are now built inside the machine, and more improvements are made, such as the new video modes.

====== Manuals ======
====== ROMs ======

====== Boot screen ======
====== Specifications ======

<columns>
==== Frequencies ====
  * 6809E CPU at 1MHz
  * 3 gate array chips at 16MHz (address decoding, system management and lightpen, video generation)
==== Video ====
  * 50Hz or 60Hz frame rate
  * 4096 colors
  * 16KiB video RAM
  * Video modes:
    * 320x200, 16 colors with constraints,
    * 320x200, 4 colors
    * 160x200, 16 colors
    * 640x200, 2 colors
  * RGB with composite sync output.
==== Audio ====
  * 1-bit beeper
  * 6-bit DAC
  * Audio track from tape connector
  * Output to audio pins of SCART port (mono)
==== Memories ====
  * 128KiB RAM
    * 16KiB screen RAM
    * 16KiB "user" RAM (fixed)
    * 96KiB in 6 16KiB banks
  * 136KiB ROM
    * 8KiB system and disk ROM
    * 32KiB for BASIC 128 and EXTRAMON
    * 32KiB for BASIC 1.0, boot screen, and icon DOS
    * 32KiB for Paragraphe (word processor)
    * 32KiB for "fiches et dossiers" (database)
<newcolumn>
==== Mass storage ====
  * Built-in 3.3" floppy drive
  * Cartridge port
  * Tape connector
  * Connector for extra floppy drive (3.5" or 5.25")
==== Keyboard ====
  * Reset button
  * Detachable keyboard with serial connection to computer
==== Dimensions&weight ====
==== Power supply ====
  * 220V, AC.
</columns>

====== Connectors ======
===== Keyboard =====
===== SCART video =====
===== Floppy =====
===== 3 expansion ports =====
===== RAMDisk port =====