Service Manuals, User Guides, Schematic Diagrams or docs for : apple bigmac BIGMAC_Pgmrs_Model_8-85

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                                                                          Rich Page
                                                                          8/14/85

                                       APPLE CONFIDENTIAL

                              Programmers Model for the Big Mac
             Introduction

                  This document describes the Big Mac hardware from the programmers
             view of the machine which includes a description of the address space
             maps and a description of each device.




                 The CPU clock is generated by the clock generator gate array which is
                 controlled by three signals CSELO, CSEL 1 and M70. These signals are
                 controlled by dip switches and described by the following table.
    x"
 \.~             ~ELQ         ~EL1     MIQ         ~FREQ          

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