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  1. Joopmac

    Baby's first PCB

    Congratulations, nice
  2. Joopmac

    Baby's first PCB

    Instead for the PB100 I’d love one for 5120-5126🤠 Edit: Trash we have the same pipe dream;)
  3. Joopmac

    Early Macintosh home brew 4MB memory upgrade board development

    Awesome stuff would this be, looking forward…!
  4. Joopmac

    Baby's first PCB

    Which PCB would that be, Builder68? =) Is it available here?
  5. Joopmac

    Early Macintosh home brew 4MB memory upgrade board development

    hey guys, i still have the boards in JLCPCB packaging, a lot of Apple projects and stuff came in my way the last months=) I am also procrastinating because i have a hope of combo SCSI/Rominator/68030 board and to build it at once
  6. Joopmac

    Overclock LC475/P475/Q605 without soldering or spicy-o-clock

    Pure copper Heatsink with printed duct, decent paste under it. The temperature is not the issue The resistor has been moved Yes I have farallon ethernet cases in all, btw! Curious if i lose 48mhz when i pull the card My previous reply i ment slower ram with “more ns” instead of “less ns”, for...
  7. Joopmac

    Overclock LC475/P475/Q605 without soldering or spicy-o-clock

    I have 4x 475, they are stable at: 38mhz with bolle’s diimocache 43mhz 47mhz 48mhz They all have the 88920 swapped (from the same production/batch) Varying VRAM/RAM simm speeds but that is not the limiting factor, when I swap simms (or cpus) the results stays the same Even onboard has...
  8. Joopmac

    Baby's first PCB

    I believed this was because the scrollbar position is calculated as a fractional value representing the amount of the window size visible to the total content height. Please educate me if i'm wrong, this of course might be a myth that i learnt when i was a little young Joopmac back in the days...
  9. Joopmac

    Baby's first PCB

    Even scrolling in the Finder is speedier with FPU, I’d keep it ;)
  10. Joopmac

    Baby's first PCB

    Smaller, and thinner with QFP package CPU would be sweeet =) I like socketless
  11. Joopmac

    Baby's first PCB

    The result is a bit like this one! https://github.com/hkzlab/MiniPerformerPlus/blob/master/pics/accel_installed.jpg
  12. Joopmac

    Apple Lisa tech doc: "Lisa Video Board Level II"

    Nice pdfs, downloaded =) I would love more details about the printing workflow! I also like to connect my stuff like this!
  13. Joopmac

    PowerMac G4 Cube powered over USB-C!

    Of course. More amperage is always OK
  14. Joopmac

    PowerMac G4 Cube powered over USB-C!

    https://www.factorled.com/en/24v-power/2930-power-supply-24v-200w-83a-tecmo-gxtronic-8435612961784.html this might be interesting, GaN based
  15. Joopmac

    Lisa 1.8a PSU clone by Warmech

    Nearing completion with just a GaN PSU
  16. Joopmac

    Testers Needed: Modified ROM for LC475/Q605

    Cool, intrigued if this works At the moment i am running 4x64+8MB in my "Q750"
  17. Joopmac

    Repairing a LC PSU

    Is this TDK or what brand PSU?
  18. Joopmac

    Any interest in 16MB Mac IIFX memory modules?

    Me too =) I have 8MB on a IIfx and 32MB, but i like more Hi ESM=)
  19. Joopmac

    Testers Needed: Modified ROM for LC475/Q605

    Yes i guess most of them don't have the slot, but it's easy added and the slots are still available =)
  20. Joopmac

    Testers Needed: Modified ROM for LC475/Q605

    on a sidenote, would it be possible to change the startup sound of the 475 to the classic original LC boot chord? 🤠
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