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Multibus inquiry/manufacturer conundrum

dracosilv

New Member
Joined
Sep 28, 2016
Messages
9
I picked up a lot of multibus boards a while ago, and am unable to find a lot of info about them. The company logo on the board is "Machine Technology Inc" and there's a lot of different things going on the various boards. I've got some boards with Intel 8741 chips, labeled as "Temp Ctrl", some other boards with lots of uln2066's and 4n30s, buffers and LEDs and the like, (maybe I/O boards?)

And a couple of styles of motherboard/memory addon boards. One with narrow DIP SRAMs and wide EPROM/EEPROMS, (hooking into the main board near the bottom via iSBX-like expansion connectors on the left and right, and the other with all wide chips and stacked headers inserted into sockets, like the expansion of the main board's ram wasn't initially planned...

All these processor boards use 8086 processors, but if anyone could help me figure out a schematic for them, thatd be appreciated.
 
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