Reply 40040 of 53280, by BitWrangler
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HanJammer wrote on 2021-08-06, 11:04:BitWrangler wrote on 2021-08-05, 21:29:Could find a motorola CPU in there. VME bus control system or something.
Yeah. It has 6809 in it with boards marked as 'EPSILON'. It also has stickers with a date the modules were tested (20.11.84 so few years before VME was standarized). Do you have any idea what it may be?
Don't really know anything else. For A 6809 system, suspects include SS-50 and STE bus, OS/9 operating system or a version of CP/M or SWTPC Flex. Also 8 bit motorola systems often used a motorola supplied BIOS type firmware called MICBUG which had basic monitor, debugger and bootstrap functions so if you find something like a serial port, you might be able to use whatever the standard procedure is to get into that.
Unicorn herding operations are proceeding, but all the totes of hens teeth and barrels of rocking horse poop give them plenty of hiding spots.