I can't remember what year Samurai this one is from but they all quite similar. The socketed processor is non-standard, this one was modified to take an EPROM conversion.
http://www.rhinopower.org/ECUs/81C90/81C90.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.