COCO TECH INFO
Below is some common technical info regarding the Color Computer line. There are many areas of similarity across all Color Computers, such as the serial and cassette ports. There are also differences:
CoCo 2 keyboard is identical, except no CTRL, ALT, F1, or F2
CoCo3 Joystick port - CoCo 1 & 2 only have 5 pins
Motorola 6809 Data Sheet - Byte Magazine 6809 Articles
- Hitachi 6309 Data Sheet
- Hitachi 6309 Technical Reference
- 6821 Data Sheet
- 6840 Data Sheet
- MC1372 Modulator Circuit
- 6847 Data Sheet
- CoCo Hardware Addressing
- Color Computer & Dragon Ports
- How To Install a 6309
- Tandy's Little Wonder
- A Full Turn of the Screw (Rainbow Magazine 'Turn of the Screw' articles
- Color Computer Technical Reference Manual
- Sams Computerfacts - Color Computer 1
- Color Computer 1 Memory Map
- Ed Ellers May 1984 Rainbow Memory Upgrade Article
- Marty Goodman's March 1989 Rainbow Memory Upgrade Article
- Sams Computerfacts - Color Computer 2
- Marty Goodman's March 1989 Rainbow Memory Upgrade Article
- Color Computer 3 Service Manual
- Color Computer 3 Schematic
- Color Computer 3 Secrets Revealed
- Marty Goodman's March 1989 Rainbow Memory Upgrade Article
- 26-3024 Multipak Interface Schematic
- Tom Gunnison's Homebuilt MPI
- Color Computer Disk System Manual
- Sams Computerfacts - TRS-80 Disk Drive
- TRS-80 Mini Disk Service Manual
Technical Data
Color Computer 1
Color Computer 2
Color Computer 3
Color Computer Peripherals
All of the documents were useful, to me, when I started back working with the CoCo again. I hope you find them as useful as I did.
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