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https://tinkerdifferent.com/threads/duodock-power-supply-issue-un-solved-agin.552/post-3241 edit: forgot to say welcome! 😴

ISTR there used to be howtos on how to fix the DuoDock PSU tick-of-death? Fixed mine that way ages and ages ago. Thinking it might have been a diode that failed? Falling asleep ATM, but maybe you can search something up about DuoDock PSU Repairs/Failures etc. out on the web?

Wow, lots of interest stirred up already! Does anyone remember if the developer released info on a memory upgrade card or was it a SCSI card over at the MLA?

Sure thing, comparison will be fun. Wondering how close we might get to 4MB Plus config starting out from original board design? 128K/512K upgrades are something I find fascinating. ISTR a memory upgrade developer releasing all over at the MLA at some point. It'll be interesting to see what a...

LOL! No monkey here, Ignatz runs loose in the lab and Crazy Cat on my shoulder dodges way too many bricks. 🥴

Thanks, no rush at all, heading off to work in a couple of hours. If you could take a few at lower resolutions as well that'll be better for templates in Illustrator. High res would be for reference material here in thread. Maybe post the pics in thumbnail mode with resolutions and...

Very nice starting point for the hobby. They look sweet indeed. When were you planning to have the monkey fitted to your back?

Nice, thanks for the info on that. @Kai Robinson what's the story on SWIM? How different is it from IWM and might it be dropped in as a replacement if nobody takes on the IWM challenge? Does anyone have really high res pics of the 128K board to upload here? I'd like to set up the flow of the...

SWIM is a superset of IWM or 100% incompatible? If the former, might make for some great playtime. Will the 128K boot from 512Ke ROM?

Absolutely, you beat me to post time while I was ordering one. ;)

On the way, thanks! Definitely going to be integrated into the SE fan config test setup . . . if and when. :oops:

HRMMM . . . I wonder if it was eudi?

Current Project: now in testing/refinement phase: Ergonomics/Pain Abatement Simple, three frame flipbook animation turned out nicely. Great chair had no arms/great arms in stock from dead chair. Adaptation fun! Base canted, so lever in front/other side didn't...

https://tinkerdifferent.com/resources/apple-service-technical-procedures-volume-six.78/ Nice, but not what I was asking. How much proprietary silicon remains to be reversed in order to do a New Build vs. Reloaded board with "knockoff components" in place of OEM silicon? IOW, how close have we...

Wow, that was quick, jj! :)

Wondering how far off "reloading" a board with reverse engineered hardware might be? Thinking in terms of a new build 128K/512K hybrid board that can go either way at boot, depending upon which side of the repurposed programmer's switch is held down. Has the Integrated Wozniak Machine been...

If there was ever any doubt as to who made these little beauties. :p

512K was the design goal of the Macintosh team. It was dialed back to only 128K by upper management to keep its price low, preserving high margins. The story is out there in Folklore as is the 512K hoax that was the 128K rollout. Could never get away with anything even close to that kind of...

What's the memory map limitation in ROM though? I'd wager on higher memory ceilings in 68000 based workstations . . . . . . but Apple. :p @max1zzz is knocking his head against just such a ceiling in the LCIII unleashed thread.

Thanks, good to know. Gotta get a new battery for mine and flush out some acid leakage to see if it still works. :oops: