Technical Data
The typical setup of a Z22 was:
- 14 words of 38-bit RAM implemented as core memory
- 8192 word (38 KiB) magnetic drum storage
- punched card memory as bulk memory (input/output)
- 380V 16A three phase power supply
- 600 tubes working as flip-flops
- electrical cooling unit, needing a water tap connection (water cooling, so to say)
The Z22 operated at 3kHz operating frequency, which was synchronous with the speed of the drum storage. The input of data was not only possible via punch-card reader, but also by directly programming drum storage or core memory using pushbuttons. The Z22 also had glow-lamps which showed the memory- and machine state as output.
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