URI:
       Index of /pdf/cdc/1700/cyber_18/periph
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   DIR /pdf/cdc/1700/cyber_18
       60475010E_Cyber_18_Flexible_Disk_Subsystem_General_Description_Jul81.pdf
       60475010F_Cyber_18_Flexible_Disk_Subsystem_General_Description_Mar83.pdf
       60475540C_Cyber18_IO_Expansion_Subsystem_Hardware_Reference_198212.pdf
       60475800H_GB145_CDC_Module_Drive_Adapter_Hardware_Reference_198308.pdf
       60476010F_FA464_FA465_Cyber18_Tape_Controllers_Mar1983.pdf
       76361225A_Cyber18-20_Input_Output_1983.pdf
       76361225A_Cyber18-20_IO_1983.pdf
       76361237A_IO_Channel_Intro_1983.pdf
       76361237A_IO_Channel_Introduction_1983.pdf
       76770158_IO_Channel_Introduction_Learning_Guide_Feb1983.pdf
       96711900C_FA104-A_Cassette_Controller_Hardware_Reference_198205.pdf
       96728600F_FA107-A_Magenetic_Tape_Controller_Hardware_Reference_197902.pdf
       96728800E_FH301-A_Card_Reader_Line_Printer_Controller_HW_Ref_198302.pdf
       96761300B_GB138-A_SMD_Controller_HW_Ref_197705.pdf
       96768610-03_Cyber18-25_Timeshare_Comm_Mux_Maint_198003.pdf