Index of /projects/IBM/3420

	Name	Last modified	Size	Description
	Parent Directory		-
	3420-3803_Logic-board_Pin-Assignments.png	2021-08-23 07:47	802K
	3420-notes.txt	2021-11-21 11:47	845
	3420_3803_MLM_Volume_1_Sep1979.pdf	2021-06-20 16:40	24M
	3420_3803_MLM_Volume_2_Aug1983.pdf	2021-06-20 17:34	22M
	3420_3803_MLM_Volume_3_Sep1979.pdf	2021-06-20 17:34	24M
	3420_3803_MLM_Volume_4_Sep1979.pdf	2021-06-20 16:41	17M
	3420_ALD_SN68029.pdf	2021-07-02 06:41	535M
	3420_ALD_SN68029_searchable.pdf	2021-07-02 07:16	15M
	3420_Vacuum-Tubing_Replacement_Instructions.pdf	2021-07-02 07:13	39M
	3420_Vacuum-Tubing_Replacement_Instructions_searchable.pdf	2021-07-02 07:18	1.0M
	3803-2_3420_MLM_Vol_1_Sep1979.pdf	2021-06-20 16:42	35M
	3803-2_3420_MLM_Vol_2_Sep1979.pdf	2021-06-19 22:12	37M
	3803-2_3420_MLM_Vol_3_Sep1979.pdf	2021-06-20 16:42	39M
	3803-2_3420_MLM_Vol_4_Sep1979.pdf	2021-06-20 16:42	31M
	3803-2_microcode_supplement.pdf	2021-06-20 16:43	213K
	3803-M2_ALD_Vol_1.pdf	2021-06-20 16:43	6.4M
	3803-M2_ALD_Vol_2.pdf	2021-06-19 21:56	5.9M
	3803-M2_ALD_Vol_3.pdf	2021-06-20 16:44	3.6M
	3803-M2_ALD_Vol_4.pdf	2021-06-20 16:44	4.9M
	3803-M2_ALD_Vol_5.pdf	2021-06-20 16:44	7.2M
	3803-M2_MPL_Sep1973_Microcode.pdf	2021-06-20 16:45	18M
	3803-mpu-notes.txt	2021-11-20 19:44	38K
	20211031_111845.mp4	2021-10-31 12:09	33M
	20240809_163954.mp4	2024-08-26 16:45	68M
	AMP_power-connector/	2021-07-12 16:51	-
	Bus-and-Tag_Adapter/	2023-03-30 14:10	-
	GA22-6974-4_360_370_IO_Interface_Channel_to_Control_Unit_OEM_Information_Jan78.pdf	2021-06-22 18:33	5.6M
	IBM_3420_Field-Tester_Cable.jpg	2021-07-01 04:39	138K
	IBM_3420_Field-Tester_Circuit-Board_Components.jpg	2021-07-01 04:32	331K
	IBM_3420_Field-Tester_Circuit-Board_Solder.jpg	2021-07-01 04:32	314K
	IBM_3420_Field-Tester_Connector.jpg	2021-07-01 04:39	70K
	IBM_3420_Field-Tester_Front.jpg	2021-07-01 04:38	143K
	IBM_3420_Field-Tester_Inside_1.jpg	2021-07-01 04:33	455K
	IBM_3420_Field-Tester_Inside_2.jpg	2021-07-01 04:33	359K
	IBM_3420_Field-Tester_Top.jpg	2021-07-01 04:37	153K
	IBM_Bus-Tag_Type-A_1.jpg	2021-07-01 04:37	110K
	IBM_Bus-Tag_Type-A_2.jpg	2021-07-01 04:36	130K
	IBM_Bus-Tag_Type-A_A-Style_1.jpg	2021-07-01 04:35	156K
	IBM_Bus-Tag_Type-A_A-Style_2.jpg	2021-07-01 04:35	105K
	IBM_Bus-Tag_Type-A_B--Style_1.jpg	2021-07-01 04:34	139K
	LSRs.txt	2021-11-13 16:53	9.2K
	Microcode.txt	2021-11-26 17:20	6.6K
	S132-0004-4_3803_Tape_Control_Parts_Aug76.pdf	2021-06-19 21:55	2.9M
	S229-5910-0_3420_3803_Magnetic_Tape_Subsystem_Reference_Guide.pdf	2021-06-19 21:14	11M
	S229-6019-2_3420_3803_Magnetic_Tape_Subsystem_Reference_Guide_Jan80.pdf	2021-06-20 16:46	5.9M
	SY22-2798-2_LogicBlocks_AutomatedLogicDiagrams_SLT,SLD,ASLT,MST_TO_Oct71.pdf	2021-06-30 17:21	5.7M
	other-connectors/	2021-07-23 03:40	-
	parts/	2022-06-09 19:56	-