In the early projects, signal-level simulators used personal computer (PC) resources (memory) and put data into a PC bus.

c. More than one data or instruction bus or serial communication port that provides a direct external interconnection between parallel "microprocessor microcircuits" with a transfer rate exceeding 150 Mbyte/s;

c. More than one data or instruction bus or serial communication port that provides a direct external interconnection between parallel “microprocessor microcircuits” with a transfer rate exceeding 150 Mbyte/s;