Ex parte CASEY et al. - Page 7




          Appeal No. 1997-2865                                                        
          Application 08/113,789                                                      



          point out that Fox's operational control functions are re-                  
          quested                                                                     


          to the CACU, and performed by the CACU and cross-point                      
          switches.  They are not sent to, or performed by, a selected                
          CPC.                                                                        
                    Upon our review of the references, we note that                   
          White is not concerned with communicating by a control console              
          to   each selected CPC a request to perform the associated                  
          common operational control function.  White is directed to a                
          system and method for enabling a plurality of computers to                  
          cooperatively process various application software.  Turning                
          to Fox, we note that Fox operates in a completely different                 
          manner than what is being claimed by appellants' claims.  In                
          particular, Fox discloses in column 16, lines 60 through 64,                
          that any processor can get itself connected to the CACU by                  
          issuing a selected instruction, such as an IBM S/360 Start I/O              
          instruction (SIO)    in which the CACU is addressed by a                    
          unique address in the con- trol unit field of the instruction.              
          Fox further discloses in column 16, lines 64 through 68, that               

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