AKA: ETR 220, Product number (P/N): 220,
Keywords/Tags: 220 | ETR220 (ETR 220)
Date of intro: 1966, Origin: DDR (List), Dimensions: 450x380x180mm, Weight: 15000g,
Display: Type = Display (Nixie) (List), Brand = WF: Z570M {15x}, Digits = 15,
Number of keys: 32,
Classification: / Desktop with Display / Memory (core),
Featuring: Logic-technology: DTL (Diode Transistor Logic), discrete components, Memories: 3, Cores: 384 (6x16x6), Memory-technology: Memory (core),
Related with: SOEMTRON_docu: (Instr.) 220; SOEMTRON_docu: (Instr.) Bedienungsanleitung (220),
Components: 2737 ... 376 Capacitor(s), 1021 Diode(s), 1083 Resistor(s), 257 Transistor(s),
Main Components: (Discrete components),
Known Serial-numbers: 127728 | 130034 | 134407 | 146558 | 169948 | 48272 | 70829 | S07366 (S/0 73/66) (List of all S/Ns from SOEMTRON)
Collector value: 9.5/10,
Info: Operates on 15-bit numbers, 4 arithmetic operations and exponentiation. The machine has a 3 collecting memory register.
Internet: Link-1, Link-2: THE DAWN OF PERSONAL ELECTRONIC CALCULATORS AND COMPUTERS