Corvus Concept w/printed model/serial/rev plate
  serial 056-E1661-
  model WSB-2
  revision D

Contains:
  Corvus Systems Processor board
    sticker 8010-11181-01
    rev A
  Corvus Systems Corvus Concept Memory 8051 REV. daughterboard 
     w/1.25MB installed (full board)