msc 8009 docs

Al Kossow aek at
Tue Aug 11 16:48:54 CDT 2015

On 8/11/15 9:43 AM, joseph lang wrote:
> I'm trying to find docs for monolithic systems 8009 board.
> multibus I, z80, RAM ROM 2 serial, FDC.
> I see references to the board online but no actual docs.
> I'm looking for information (schematic) for the on board interrupt logic
> and bus interface.
> I've figured out enough to get CP/M 2.2 running on it but things like
> interrupts,bus time out and arbitration are implemented in PALs and defy
> my attempts at reverse engineering.
> Even docs from another model (800X) may prove useful since similar
> logic may be used.
> thanks
> joe lang

I have it scanned. I'll have it up on bitsavers later tonight.

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