High Performance Disk Drive Subsystem (Type 4-3, 4-5 & 4-8)

    Test Connector                      4-3 PN51G1071 40MB/S
       |                                4-5 PN00G3357 80MB/S
   _  ____  _________________________   4-8 PN65G8122 40/80MB/S
    ||    ||                        _|
   FFC 870                         | |Addr0
         ________ ==   ______      |_|
        |        |==  |      |     |2|Adrr1  Cable Attach 9333:
        |________|    |      |     |_|         10ft PN07G4859
   ==  ____  ____     |______|     |3|Addr2    33ft PN07G4860
      |____||____|          == ==  |_|
         _                 ______  |4|Addr3
   |||||| |||||||||||||||||      |||_|


                                 Microcode filename 8f78.xx.xx