How do I overclock a Mystic?
Full directions for overclocking a 57x motherboard can be found at the Gabezing Room. Having done this to a couple 575 boards myself, and having reports from several others who have done it, I highly recommend getting several sets of 80ns VRAM to try in the likely event that your VRAM isn’t fast enough to avoid video artifacts. I found a pair of 70ns modules solved all the problems, while some have found that certain 80ns modules work great while some simply give a black screen. Apparently some 80ns modules are faster than others. 40 MHz seems to be a speed that almost everyone can easily achieve, but speeds over about 43 MHz seem to be pretty much luck if they are achieved. I tried a 22.44 MHz oscillator (44.88 MHz CPU/motherboard bus speed) in mine after installing the 70ns VRAM, but got a black screen. Perhaps 60ns VRAM (haven’t heard of any ever being made in the proper form factor) would have cured this, but without a display, I couldn’t test the serial ports either, which are rep
