This ECU is going to be the development board for a Flash memory conversion for the 16V MAF based ECUs as fitted to the OBD1 Sidekick/Trackers/Vitaras and X90s.
http://www.rhinopower.org/ECUs/79E50/79E50.html
1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine2000 Suzuki Vitara 1.6 8V, many mods2004 Suzuki Ignis 1.5VVT 4Grip2006 Suzuki Jimny 1.3VVT JLX+and many more.