Altos Computer Systems Series 5 - Firmware Altos Computer Systems Series 5 - Firmware (TOSEC-v2017-04-12) TOSEC 2017-04-12 mictlantecuhtle contact@tosecdev.org TOSEC http://www.tosecdev.org/

Altos 5-15 Monitor Version 7.02 (198x)(Altos Computer Systems) NatSemi DM74S474 - Signetics N82S141 TTL PROM (198x)(-)