528cdtv System Board
| Jumper | Description | Function |
| P1 | Speed Select |
|
| P2 | Processor Select |
|
| P5 | CMOS Erase | Remove and replace jumper P5 to clear CMOS and Password |
| Connectors | Description | Function |
| J16 | TV Board - I/O Address Connector |
Connect to TV Board |
| J11 | Replacement Battery Connector | Use only 4.5v Alkaline Computer Battery |
