SBC 508 - General purpose input/output expansion board-hardware reference manual. 
Intel Corporation                                            
 - California  Intel Corporation  1976 
 - 23p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hardware<br/>Single Board Computer
<br/><br/><label>Universal Decimal Class. No.: </label>12:21.0  / INT