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IBM706 - Williams/Kilburn Tube MemoryPage Item 1 Engineering Reference Memo #16 Dec 15, 1953 5 pictures of racks 8 Engineering Reference Memo #20 Dec 31, 1953 12 Hand drawings - ADDER, ACC.REF, ... 14 Drg 1. Sht1of2 Memory (One Frame) 2048 Words/Frame 15 Drg 1. Sht2of2 Memory (Two Frames) 16 Drg 1.01 E S Memory Unit 17 Drg 1.01 E S Memory Unit (with Test Circuit) 18 Drg 1.01.01 E S M Unblank Circuits (with Test Circuit) 19 Drg 1.01.02 Memory Unit Connector 20 Drg 1.01.03 Cable Connections for Memory Busses 21 Drg 1.01.04 E S Memory Frame Column Layout 22 Drg 1.02 Deflection (Block Diagram) 2024 Words/frame (or 2 frames) 23 Drg 1.02.01 Block Diagram of Deflection Circuits 24 Drg 1.02.02 Block Diagram of Deflection Circuits (vertical) 25 Drg 1.02.03 Sht1of2 Horizontal Deflection Circuit 26 Drg 1.02.03 Sht2of2 Vertical Deflection Circuit 27 Drg 1.03 Sht1of2 Raster Layout (Octonary) 28 Drg 1.03 Sht2of2 Raster Layout (Octonary) 29 Drg 1.04 Memory Control 30 Drg 1.04.01 Mem Cnt & Dot-Dash Gen Input Switching 31 Drg 1.04.02 LT & RT Tube DOT-DASH Gen & Sample Cntl 32 Drg 1.04.03 LT & RT Sample Gen 33 Drg 1.04.04 Sample RI Gem. Bot Sweep Start Gen and MU TRG Turn Off 34 Drg 1.04.05 RT OPN AND ADR CNTL 35 Drg 1.04.06 LT 18 OPN AND ADR CNTL 36 Drg 1.05 Basic Timing Cycle for Memory 37 Drg 1.06 E S Memory Reset 38 Drg 1.07 Power Supply Tube Locations 39 Drg 1.07.01 CRT Bias Supply 40 Drg 1.07.02 CRT High Voltage Supply 41 Drg 1.07.03 Sht1of2 +30V Power Supply 42 Drg 1.07.03 Sht2of2 +270V (vert & Horiz), Astigmatism and +150 Volt Supplies 43 Drg 1.07.04 Sht1of2 +400 Volt Regulator 44 Drg 1.07.04 Sht2of2 -150 Special Supply 45 Drg 1.07.05 Deflection Gate Location Chart 46 Drg 1.08 Sweep Failure Protection 47 Drg 3.42 Deflection Register 48 Drg 4.1.7 I sub E 49 Drg 4.1.8 I sub F 50 Drg 4.1.10 I sub H 51 Drg 4.1.23 PI sub A 52 Drg 4.1.26 PKR sub 53 Drg 4.2.2 T sub A 54 Drg 4.2.3 T sub B 55 Drg 4.2.4 T sub D 56 Drg 4.2.7 T sub T 57 Drg 4.3.2 SS sub B 58 Drg 4.3.4 SS sub O 59 Drg 4.4.2 A sub A 60 Drg 4.4.3 A sub D 61 Drg 4.4.9 SPA 62 Drg 4.4.10 TRA-I 63 Drg 4.4.11 TRA-2 64 Drg 4.5.5 CF sub L 65 Drg 4.5.8 CF sub T 66 Drg 4.5.9 CF sub Y 67 Drg 4.5.10 CF sub Z 68 Drg 4.5.16 PCF sub E 69 Drg 4.5.17 PCF sub F 70 Drg 4.5.19 PCF sub H 71 Drg 4.5.24 DLD 72 Drg 4.10.3 - 2 CRT 73 Drg 4.10.6 THY 74 Data for Main Frame Adjustments - page 1 75 Data for Main Frame Adjustments - page 2 76-85 Notes 86 BobErickson's Famous Summary Drawing 87 Memory CRT Specifications 88 Tube Schematics