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AT&T UNIX PC emulator
I'm developing an emulator for the AT&T UNIX PC. Currently it can boot the 3B1 UNIX operating system and run acceptably.
Downloads
The source code is hosted on Bitbucket: https://bitbucket.org/philpem/freebee
You will also need the Boot ROMs.
Technical documentation
Steven Hirsch scanned the entire two-binder 3B1 UNIX PC Technical Reference and released them on the Classic Computers Mailing List. With his permission, his scans are mirrored here.
Reference Manual
Circuit diagrams and schematics
Peripherals
- DOS-73 Technical Reference (no schematics)
- Ethernet Expansion Board: Theory of Operation (includes schematics)
- Floppy Tape Interface: Theory of Operation (includes schematics)
- RAM-COMM Expansion Board: Theory of Operation (includes schematics)