+InsaneMultitasker Posted March 30, 2016 Share Posted March 30, 2016 How common are the consoles with a 2.5Mhz clock? I know the frequency is important for RS232 baud rate calcs, though to be honest I've always computed the rate using 3.0. Supposedly the consoles have a byte you can test to determine the speed. Quote Link to comment Share on other sites More sharing options...
apersson850 Posted March 30, 2016 Share Posted March 30, 2016 Yes, you can read it out. Byte >000C in CPU ROM contains the clock frequency. It's BCD coded, so >30 means 3.0 MHz. Quote Link to comment Share on other sites More sharing options...
Tursi Posted March 31, 2016 Share Posted March 31, 2016 I've never heard of one that has the 2.5MHz clock, though I noticed that clock speed byte. Does anyone actually have one? I'd love to analyze it. Quote Link to comment Share on other sites More sharing options...
apersson850 Posted April 1, 2016 Share Posted April 1, 2016 It could have been something they planned as an option, but never manufactured. Quote Link to comment Share on other sites More sharing options...
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