I picked this board up at the dump. Z80 CPU, Z80 SIO, Z80 PIO, Seeq DQ2817A 2k x 8 EEPROM, 6116 2k x 8 RAM, 32k EPROM, ADC0808 A/D Converter, AM26LS30/32 RS-422 line drivers. The EPROM label reads
487635003W SERIE 01 FW-ATU-PRESET 1/1
The PCB is marked 045.763.019L ED-1 on the top and the bottom.
Interesting to note is that somebody some time fixed or tried to fix it -- notice the places where the conformal coating is burned.
I have no idea where this board would be from. No clue in the eprom dump either.
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