RevEng Posted December 22, 2020 Share Posted December 22, 2020 My 7800 has the RAM resistor too. It appears to be pulling WE up. I'm not sure if that's to delay the leading edge of a write, or to make it end quicker. WE for both of the ram chips is common, so the resistor would affect both chips. It's also common to U12-4, where it's used to derive the clock for the INPTCTRL U11 flip-flop. Not sure which is the intended target for the fix... the ram chips, the flip-flop clock, or all of the above. Quote Link to comment Share on other sites More sharing options...
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