Service Manuals, User Guides, Schematic Diagrams or docs for : burroughs BSP BSP_Fault_Tolerant_Features

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BSP                                               BURROUGHS SCIENTIFIC PROCESSOR




                                  CONTENTS


                                                                      Page

      1.   INTRODUCTION                                               C-l

      2.   SYSTEM DESCRIPTION                                         C-3

      3.   ERROR DETECTION                                            C-5

           File Memory Control                                       C-5
           Control Processor                                         C-7
           Control and Maintenance Unit                              C-9
           Parallel Processor Control Unit                           C-ll
           Parallel Processor                                        C-ll
           Arithmetic Element                                        C-12
           Output Alignment Network                                  C-12
           Memory Interface and Parallel Memory
            Address Parity Checks                                    C-12

      4.   MAINTENANCE LOG FEATURES OF THE BSP                       C-15

      5.   INSTRUCTION RETRY                                         C-17

           File Memory Control                                       C-17
           Control Processor                                         C-18
           Parallel Processor                                        C-18




                                                                              C-iii
~~~~~~~~~~~~~~~~~~~~~~~BURROUGHSSCIENTIFICPROCESSOR




                                                      (1
BSP-                                                   BURROUGHS SCIENTIFIC PROCESSOR




                                   1.   INTRODUCTION




   The Burroughs Scientific Processor (BSP) is one of the first machines of its class
   to employ the features of single-bit error correction of memory data and instruc-
   tion retry. The system design embodies extensive error-detection capabilities
   that are the necessary foundations for effective retry. Additionally, all major
   data paths are protected with a modified Hamming code which provides single-bit
   error detection and correction and double-bit error detection. These features,
   coupled with the failure log capabilities, provide the scientific user and the
   Burroughs field engineer with state-of-the-art maintenance capabilities.




                                                                                        C-l
 ~~~ ~~~~~~~~~~~~~~~~~~~~BURROUGHSSCIENTIFICPROCESSOR




                                   FILE
                                 MEMORY
                                 STORAGE
                                   UNIT




      SYSTEM MANAGER
                                                                                    PARALLEL PROCESSOR
      DATA AND PROGRAMS
                                  FILE
      .25M WORDS/SEC
                          --     MEMORY
                                                12.5M WORDS/SEC
                               CONTROLLER

                                     

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