This is a technical reference manual for Xerox Professional Computer
This Technical Reference Manual offers programmers and engineers comprehensive information on the Xerox 820-11 and 16/8 Professional Computers, covering hardware architecture, software environments, and peripheral interfaces. It includes warnings, FCC compliance details, and a full table of contents for quick navigation.
The document contains sections on hardware description, functional operation, system bus expansion, connector pinouts, dimensions, electrical requirements, operating environment, disk drive specifications, display specifications, and programming considerations, along with extensive schematics and appendices.
| Dimensions (Height x Depth x Width) | 12.20" x 14.75" x 15.00" |
|---|---|
| Voltage requirement | 115 VAC, 60 Hz |
| Operating temperature range | 50–90 °F |
| Floppy disk drive size | 8 inch |
It is certified as a Class B computing device.
It requires 115 VAC at 60 Hz.
It operates between 50 °F and 90 °F.