Blur2040 wrote:Well, new DMA chip here, no go. Still boots to a white screen with a border, about 20 or 21 dark vertical lines evenly spaced across the screen.
Searching around suggests RAM is the most likely candidate. Seems painful to desolder/ replace em all. Any suggestions on how to narrow it down?
Blur2040 wrote:"T0 MFP Timer"
Blur2040 wrote:Or is protocol here to just remove/replace the 68901 MFP?
Blur2040 wrote:However, I'm still trying to grasp what makes the oscillator do it's thing....leading to the ultimate question: will a bad 68901 prevent the clock from going, or is it the other way around?
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