DIBs - Depot Information Bulletins


Miscellaneous Depot Information Bulletins

File Name File Size
DIB__Depot_Information_Bulletins_DIBs_partial_1-99__1974-1977.pdf 100.59 MB
DIB-0000__DIB_summary_handwritten.pdf 208.88 KB
DIB-00AA__Vadic_Modems__1975-Jun.pdf 619.26 KB
DIB-0001__Nova_1200_16K_Memory_8117_Picking_Bits_problem__1974-Nov.pdf 81.68 KB
DIB-0005__Nova_2_CPU_Bad_DCH_ROM_0__1974-Dec.pdf 90.18 KB
DIB-0006__Nova_1200_CPU_Will_Not_Boot_RDOS__1974-Dec.pdf 67.92 KB
DIB-0007__RDOS_Problems_with_Moving_Head_Disks__1974-Dec.pdf 930.93 KB
DIB-0008__Nova_2_RDOS_Multiprogramming_Problems__1974-Dec.pdf 70.85 KB
DIB-0009__Nova_1210_Cold_Start_Problems__1974-Dec.pdf 132.85 KB
DIB-0010__Mag_Tape_Unit_Timing_Test_4030__1974-Dec.pdf 104 KB
DIB-0011__Nova_1200_Memory_Timing__1974-Dec.pdf 232.97 KB
DIB-0012__TTY_Input_Output_Control_4007_4010__1974-Dec.pdf 430.87 KB
DIB-0013__Nova_2_Power_Supply_and_Power_Fail__1974-Dec.pdf 417.43 KB
DIB-0014__Nova_1200_Examine_Timing_Diagram__1974-Dec.pdf 151.87 KB
DIB-0015__ASR_33_TTY_Notes__1973-Nov.pdf 783.6 KB
DIB-0016__Converting_Nova_1200_Frame_to_Nova_2_Operation__1974-Dec.pdf 86.64 KB
DIB-0017__Converting_ASR_33_TTY_from_60Hz_to_50Hz__1974-Dec.pdf 150.86 KB
DIB-0021__Line_Printer_Output_for_NMORT_rev_02__1974-Dec.pdf 47.05 KB
DIB-0022__Eliminating_Eclipse_S-200_MAP_Board__1975-Jan.pdf 55.05 KB
DIB-0023__Nova_FPU_8020_Testing__1975-Jan.pdf 62.13 KB
DIB-0024__Nova_series_Power_Supply_and_Core_Memory_Troubleshooting_Procedures__1975-Feb.pdf 1.58 MB
DIB-0025__Nova_1210_1220_Power_Fail_Module__1975-Feb.pdf 226.11 KB
DIB-0026__Nova_paper_tape_reader_ECOs__1974-Oct.pdf 605.25 KB
DIB-0028__Nova_series_Detecting_Weak_Core_Memories_Using_Differential_Probe__1975-Jun.pdf 106.31 KB
DIB-0029__STP-00008_Diagnostic_Scope_Loops_memory_TTY_PTR_PTP_CAS_MTA_MHD_QTY_LPT__1975-Apr.pdf 448.05 KB
DIB-0030__Data_Products_2440_Line_Printer_problem__1975-Apr.pdf 84.72 KB
DIB-0031__Printer_Diagnostic_Patch_for_Data_Products_2440__1975-Apr.pdf 54.41 KB
DIB-0032__Nova_2_Mul-Div_run_in_Kludged_Nova_1200_Frame__1975-Apr.pdf 67.89 KB
DIB-0033__Nova_2_8K_memory_problems_with_NMORT__1975-Apr.pdf 70.96 KB
DIB-0034__Tape_Transport_6020_Adjustment_Procedures__1975-Apr.pdf 291.03 KB
DIB-0035__Nova_830_CPU-1_Schematic_Correction__1975-Apr.pdf 38.34 KB
DIB-0035__Nova_830_schematics_IPL_corrections_DIB_FAB.pdf 28.56 MB
DIB-0036__Nova_800_1200_Power_Shutdown_Test__1975-Apr.pdf 46.94 KB
DIB-0038__Daisy_Chaining_Nova_Mag_Tape_Drives__1975-Jun.pdf 45.14 KB
DIB-0039__Nova_800_CPU-2_will_not_work_with_Universal_Memories__1975-Jun.pdf 63.35 KB
DIB-0040__Mag_Tape_Off-Line_Testers_4030_6020__1975-Jun.pdf 206.28 KB
DIB-0043__NMORT_Multiprogramming_Reliability_FHD_rev_1_and_rev_2_fix__1975-Sep.pdf 71.51 KB
DIB-0044__Nova_2_Logic_Test_Halt_with_16_switches_up__1975-Sep.pdf 68.58 KB
DIB-0045__Data_Products_Printer_Model_2230_Ribbon_Movement_Problem__1975-Oct.pdf 66.21 KB
DIB-0046__Mag_Tape_Test_Program__1975-Sep.pdf 52.07 KB
DIB-0048__Mag_Tape_Drive_Power_Supply_Operation__1975-Nov.pdf 243.14 KB
DIB-0049__Diablo_30_Series_Cleaning_and_Checksum_Errors__1975-Nov.pdf 79.7 KB
DIB-0051__Nova_1200_Power_Up_and_Power_Down_Sequence_001-00819__1975-Dec.pdf 159.34 KB
DIB-0055__Nova_2_CPU_Signal_List_for_New_Style_CPUs_001-000760__1976-Feb.pdf 357.28 KB
DIB-0056__Nova_2_CPU_schematic_errors_001-000760__1976-Feb.pdf 61.1 KB
DIB-0064A__Major_Nova_2_Examine_Function_CPU_Timing_Addendum__1977-Mar.pdf 135.7 KB
DIB-0071__Margining_15_Volts_on_Eclipse_16_slot_Frame__1976-Sep.pdf 175.59 KB
DIB-0074__Choke_Assembly_Number_list__1977-Mar.pdf 86.16 KB
DIB-0075__Changing_Mag_Tape_Power_Supply_Alignment__1977-Jan.pdf 74.61 KB
DIB-0078__Nova_and_other_Switching_Regulator_Power_Supplies_Description__1977-Mar.pdf 569.93 KB
DIB-0079__FETS_Field_Effect_Transistors_1977-Mar.pdf 430.3 KB
DIB-0080__Nova_line_DCH_Data_Channel_Sequence__1977-Mar.pdf 227.22 KB
DIB-0081__Nova_line_Interrupts__1977-Mar.pdf 249.95 KB
DIB-0082__Nova_3_CPU_Jumper_Arrangement__1977-Mar.pdf 73 KB
DIB-0083__Nova_2_Deposit_Function_Timing_Signals__1977-Mar.pdf 114.58 KB
DIB-0085__Nova_2_Multiply_Explanation__1977-Apr.pdf 277.36 KB
DIB-0086__Eclipse_CPU-1_Chip_Number_to_Schematic_Location_005-003165__1977-Apr.pdf 180.07 KB
DIB-0088__Nova_2_Divide_Explanation__1977-May.pdf 449.08 KB
DIB-0089__Nova_3_Troubleshooting_Switch__1977-May.pdf 89.96 KB
DIB-0094__Nova-Line_Memory_Troubleshooting_Aid__1977-Oct.pdf 59.79 KB
DIB-0094__Troubleshooting_Aid_for_Nova_Line_Memories__1977-10.pdf 4.84 MB
DIB-0098__DCH_problem_Troubleshooting_with_I-O_Tester__1977-Oct.pdf 99.28 KB
DIB-0099__DCC-116_Memory_Driver_Selection_Troubleshooting__1977-Nov.pdf 110.15 KB
Updated: 08-01-2025 - Version [00]