This page contains the official documentation from the digital group. Most of the docs are in PDF format and are actually located on Bryan Blackburns servers...

Hardware

System Mother Board
Cabinet
Power Supplies

CPU Boards
TV/Cassette
I/O
Memory
Serial I/O
Ham Board
VOTRAX - Voice Synthesyzer



Software

Operating Systems

8080-Opsys
Z80-Opsys
Phimon
Diskmon
OPUS/I
OPUS/II
OASIS
MCOS
CP/M
CONVERS

Applications

Memory Tests
Games