The COCO Diagnostics cart is based on Tandy's very own Diagnostic software. Simply plug it into your Color Computer and test/diagnose 11 specic parts of the hardware.

You can test the following things on your COCO:

• Basic ROM Test
• Expansion ROM Test
• Quick RAM Test
• Long RAM Test
• Video Test
• RS-232 Test
• Sound Test
• Cassette Test
• Keyboard Test
• Joystick Test
• Printer Test

It's the perfect tool for anyone trying to diagnose an issue with their Color Computer.