Use the scroll bars above to move the TI-99/4A motherboard. (Click Back Button to return)

1. TMS9900 CPU 2. TMS9918A VDP 3. TMS9901 Interface 4. Grom Chips 5. TMS9919/SN94624 Sound Chip 6. 8-TMS4116 RAM Chips 7. TIM9904 Clock Generator 8. 2-4k ROM chips

9. 2-128 byte Scratch-pad RAM 10. Command Module Connector 11. Cassette Port 12. Video Port 13. Joystick Port 14. Keyboard Connector 15. Expansion Port