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NOVA 445

A Data General NOVA-compatible computer based on the Fairchild F9445 microprocessor

Steve TonerSteve Toner
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  • Steve TonerSteve Toner

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This project was created on 12/15/2019 and last updated a month ago.

Description

System Requirements:
1. Emulate Data General NOVA computer
2. Use Fairchild F9445 microprocessor
3. Include provision for switch-and-light front panel
4. Include provision for ROM-based monitor program/debugger
5. Capable of running Data General's Real Time Disk Operating System (RDOS)
6. Full 32K words (64KB) of RAM available when running loaded code
7. Peripheral support: TTY I/O, Real Time Clock, emulated disk subsystem (minimum 1 drive, preferably more)
8. Include provision for graphic display (min 256x256 pixels)

Files

F9445 pamphlet.pdf

1983 Fairchild marketing document for F9445 microprocessor

Adobe Portable Document Format - 12.54 MB - 12/15/2019 at 03:22

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Project Logs
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  • Introducing the NOVA 445

    Steve Toner • 12/20/2019 at 15:45 • 0 comments

  • A Bit of Background on This Project

    Steve Toner • 12/17/2019 at 17:50 • 0 comments

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Ken Yap wrote 12/15/2019 at 07:19 • point

Great! Looking forward to seeing this bit of computing history come alive again.

Did you happen across the CPU or did you purposely seek it out? I notice that it uses I3L. I2L was described in https://hackaday.io/project/159059-adventures-in-time-integrated-injection-logic

  Are you sure? yes | no

Steve Toner wrote 12/15/2019 at 16:12 • point

I sought it out.  The DGC Nova was the first computer I used/learned about/programmed, and I actually interviewed at Fairchild back when its predecessor, the F9440, had just been released.

They are quite hard to find these days, but I managed to acquire two...

  Are you sure? yes | no

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