Question dcp power skill issue

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Apr 12, 2026
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i have been trimming this dreamcast motherboard
over the past few days and now that ive done most of the relocations and its worked so far i have gotten to the part where i need to consider how im going to power this thing.
i removed some of the onboard regulators(the ones shown on nolds trimming guide) and im not very sure if i should replace them with something or if thats handeled by a custom regulator or something???
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please help me im very confused and ive been at this all night
 
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Looking at the Dreamcast trimming guide, it looks like you removed the correct regulators. The guide tells you what voltages you need to put where, so it's really just a matter of applying those voltages via soldering wires from a PMS. I remember Gman modifying a Wii PMS 1 in his 2DC build to achieve this: timecoded link to that here.

It really is as simple as swapping out two resistors on the original Wii PMS 1 which is open source on Gman's github. I'll leave you to figure out which resistors to swap out and what values to swap them out for since that's not too difficult. It would definitely be useful to document this when you do so though since it'll save other people headache if they wish to do the same.
 
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