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March 22, 2005, 2:46 am
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Well I took the electronic sign (see ad before) apart and has a z180
microcontroller board in it with a z180 cpu, 256k RAm and 256k EPROM
chip (27c256), sockets for RTC and PIO chip(8155A) + few TTL type ports
and RS232 interface ..no documentation ...
for people that are interested ...
best offer ...
I can post it ..