Ex parte STEWART et al. - Page 3




                         Appeal No. 96-0258                                                                                                                                                                          
                         Application 08/094,651                                                                                                                                                                      


                               which correspond to the physical addresses, for referencing the page table memory space;                                                                                              
                                           c) providing a page table prototype mechanism including known cross reference                                                                                             
                               information between the set of virtual addresses, and the corresponding physical addresses                                                                                            
                               for referencing the page table memory space, the known cross-reference information                                                                                                    
                               comprising offset information between the certain ones of the virtual addressees and their                                                                                            
                               corresponding physical addresses;                                                                                                                                                     
                                           d) operating the computer system to load information identical to a preselected                                                                                           
                               portion of the page table memory space into the translation buffer, which loading of the                                                                                              
                               translation buffer is implemented by utilizing the page table prototype mechanism to                                                                                                  
                               dynamically generate physical address information for referencing the page table memory                                                                                               
                               space from a corresponding one of the set of virtual addresses and the known cross                                                                                                    
                               reference information contained in the page table prototype mechanism.                                                                                                                
                               The examiner relies on the following reference:                                                                                                                                       
                               Sawada et a l. (Sawada)                                                    4,628,451                                         Dec. 9, 1986                                             
                                           Claims 13 through 15 stand rejected under 35 U.S.C. § 103 as unpatentable over                                                                                            
                               Sawada.2                                                                                                                                                                              
                                           Reference is made to the brief and answer for the respective positions of appellants                                                                                      
                               and the examiner.                                                                                                                                                                     









                               2A rejection of the claims under double patenting of the obviousness type has been                                                                                                    
                               withdrawn by the examiner in view of an acceptable terminal disclaimer and is no longer                                                                                               
                               before us on appeal.                                                                                                                                                                  
                                                                                                         3                                                                                                           





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