Posted By
Litwr
on 2016-09-25
01:29:55
|  Re: What would I do differently in the Plus/4
TED will not be melted by 3.5 MHz because it will work at the same frequency. It will only use the different clock dividers. Only CPU will slightly warmer. IMHO CPU could work at 3.5 MHz.
It is interesting that MOSTEC had 10 MHz (!) 6502 at 1976... Try to imagine what they could make without Commodore?! There is a project for C64 which uses CPU and RAM at 4 MHz - http://wiki.projekt64.filety.pl/doku.php?id=projekt64:turbo
I agree that most z80 systems (Speccy, CPC/PCW, Enterprize, ...) could use RAM at about 2.5-3 MHz. It is not a big difference with 3.5 MHz.
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