3 ms·
We added a variable frequency control to an IBM/AT and used it to adjust the CPU clock up to the point just below where the system would crash. Default was 6 MH
by Tagbert 5y ago
We added a variable frequency control to an IBM/AT and used it to adjust the CPU clock up to the point just below where the system would crash. Default was 6 MHz but we could push it up to around 10 MHz before it started crashing. That seemed amazingly fast at the time.