These are the Viking AVAB (Swedish) computers I asked about before Obscure enough that no one seems to know anything about them... has the following cards: Western Digital MCP-1600 based CPU (maybe Pascal pcode machine) Western Digital FDC Western Digital 4Serial + Parallel I/O card 2X AVAB 32K battery backed SRAM cards Couple of odd AVAB I/O cards Proprietary bus, ~8"x10" cards -- Rack mount enclosure Were used for theater lighting system 1 system has 2x3.5" (720k ?) floppy drives a 1 8" drive (narrow Tandon) other system has 2x3.5" (720k?) drives Free for pickup in SF bay area (otherwise out they go) Peter Wallace