Das D11 Reparatur-Team

History@IBM repairs the D11 in the Heinz-Nixdorf-MuseumsForum. During the Rescue-Mission, I also discover interesting Things about Herman Hollerith, IBM and, of course, Heinz Nixdorf. Sprungmarken: 00:26 Journey 00:50 Film about Heinz_Nixdorf 01:04 Museum-Building 01:14 Start of Repair 01:47 Problem 1: Main Switch Contact-Problem 02:35 The Hollerith-Machine (HETS) 02:49 Women punching Punch-Cards 03:01 Film about Herman_Hollerith 03:14 D11 with Music 03:38 Problem 2: Punch-Card-Feeder 03:51 Chain of IBM high-speed Printers (e.g. IBM-1403) 04:01 IBM Golf-Ball of Type-Writers 04:05 IBM-PC-5100 with S/370 Processor 04:53 Piano with Punched-Tape-Control (Astra-88) 05:09 D11 Camshafts 05:14 Problem 3: Sticky Switches 06:07 Inserting the Switch-Panel 06:27 Cash-Register 06:45 D11 has smoked 07:04 Problem 4: Lock is being reopened 07:15 Closing-Time and Dawn 08:20 D11 Circuit-Diagram 09:03 Wisdom from IBM 09:11 Compiler for Music 10:08 Compiler Output 10:54 D11 Test: Counter Number 8 11:26 Connection of Punched-Card-Input with Counter 12:00 Nixdorf Program-Form 12:30 Nixdorf IBM-PCs (8810) 12:46 PC 8810/30 13:14 PC 8810/25 (Portable) 12:59 Special Exhibition "Aufbruch is All" 14:37 Thread Storage for Apollo mission 14:57 Manufacturing by Women 15:36 Control-Software with 130,000 Lines of Assembler-Code 15:54 Margaret_Hamilton 16:05 Canteen 16:22 D11 reassembled and Farewell Links: All-Dings: https://dings.site/304000019.html Change-Log: 2024.07.22 First public Version