green machine

from Jargon File (4.4.4, 14 Aug 2003)
green machine
 n.

   A computer or peripheral device that has been designed and built to
   military specifications for field equipment (that is, to withstand
   mechanical shock, extremes of temperature and humidity, and so forth).
   Comes from the olive-drab `uniform' paint used for military equipment.
    
from The Free On-line Dictionary of Computing (8 July 2008)
green machine

   A computer or peripheral device that has been designed and
   built to military specifications for field equipment (that is,
   to withstand mechanical shock, extremes of temperature and
   humidity, and so forth).  Comes from the olive-drab "uniform"
   paint used for military equipment.

   [{Jargon File}]
    

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