The DATANET-30 used magnetic core memory with a cycle time of 6.94 μs. The word size was 18 bits and memory was available in sizes of 4K, 8K, or 16K words. The system could attach up to 128 asynchronous terminals, nominally at speeds of up to "3000 bits per second", but usually limited to the 300 bits per second supported by standard common-carrier facilities of the time.
The DATANET-30 could also operate in synchronous mode at speeds up to 2400 bits per second.
A Computer Interface Unit allowed the DATANET-30 to communicate with a GE-200 series computer using direct memory access (DMA). It could also attach to the I/O channel of a GE-400 series, or GE-600 series system.
The system was also a general purpose computer, with a number of special-purpose hardware registers. The instruction set contained 78 instructions.
- General Electric Computers (1965). DATANET-30 Programming Reference Manual.
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