of the TI-99/4A
Left Side View
This connector is for the joysticks
Right Side View
This is the expansion port
On the left is the connector for the External Power Supply
On the far left is the connector for the cassette recorder
On the right is the connector for the Monitor/Modulator
Showing the keyboard, power switch,
and cartridge port.
An inside view of the TI-99/4A
Showing the motherboard, and the power supply
The very large chip is the TMS9900 CPU
This is the brain, and where the name for
the computer came from.