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this is an excellent question, and i have no immediate answer. I will lay a multimeter on the wires as soon as i can sit still. In the meantime, here is a schematic of the PDQ PRAM battery.

omg this sounds fantastic, please document & share the process.

YMMV but part of the reason for the big, flat area was an already busted hinge. Not as totally as your 1400cs, but my cracks had fully separated. I used a lot of Weld-On 16 to melt the shim in there, pushed all the puzzle pieces back together and clamped it for about 36 hours. (I think some...

another PowerBook 180 piece, this is a Hard Drive shaped block to fill the space between a SCSI-SD adapter and the big empty inside the case. There is very little structure inside the 180: some parts are held in place simply by other parts. The hard drive has no sled, or even screws—just two...

i am working on a couple PowerBook 180; one is missing the I/O door, so i made this. this is quick & basic, i mostly made it to customize it (later). please remix and share. also uploaded to printables and thingiverse.

my bracket is minimal to a fault; i love the piece you made, saving a copy right now. hey, what is your monitor?? i want that

this hero on thingiverse made PowerBook 1400 Clutch Covers

i’m pretty sure the only option is “build your own” (thus this project) but i happy for someone to prove me wrong.

i finally had time to turn three powerbooks worth of parts into one, solid PowerBook G3 Series (PDQ). As part of the rebuild, i decided to move the PRAM battery—similar to my PowerBook 1400 project—to save a complete teardown in the future. Like the 1400, this uses the existing battery pack’s...

buddy gave me a broken PowerBook 190, it sat in a box with a broken 520c for almost two decades until i finally got a 550c... THEN i read about that mod! here at the MLA just like you!

(we're not even going to talk about the early 2000s “why do i still have THIS?” purge; we lost several good men that day...)

this is old news (i got the mouse on eBay years ago), but I haven't seen anyone else throw this flex here is my NeXT two-button ADB mouse attached to a PowerBook 550c using TheMouse2B

funny you should mention... that someone is @MrGasS27 (my IIsi PSU was recapped and is mostly working fine, so i have not undertaken the ATX mod yet.)

heat sink fan from amazon, it’s fine. (i printed little "clips" to catch the screws & pressure-fit alongside the processor, but i didn't keep that file...) https://www.amazon.com/gp/product/B07D1Z3CR3/ for the case i wanted a Noctua, but i could not find anything in 60x60x15... so i got a...

no worries dude, the amount of projects you have going at any one time? i just assume it’s like a happy ball of ferrets inside your brain!

the existing PSU has a thin plastic membrane underneath the original PCB; the little orange bracket keeps the RPT-60A on the plastic (strangely it was only under that half of the original PCB). In the Tinkerdifferent thread, one guy printed an entire drop-in replacement to hold the new board; i...

shoulders of giants, my friends; everything i do i learned from reading, mostly in these forums.

the power supply in my souped up Quadra 605 died, and i am too lazy to recap it. (Q605 is recapped with tantalum, HD replaced with SD card, pretty new VRAM, 128MB RAM, and a full 68040) Following knowledge from a thread on TinkerDifferent I searched out a MeanWell RPT-60A, a small power supply...

I'm going to try to get a FSTN cable to test the original screen, eliminate all variables; I’m back to thinking the screen is bad, the cable is blameless, and I am no help at all. That said, if you want to reproduce my results: putting a 540c screen in a 520c requires two things. cable: SHARP...

fellow in the other thread pointed out the difference in the cables! the FSTN is Color passive, the TFT is Color active. The LQ94D041 was never going to work with the FSTN cable... So i haven't actually solved anything here, simply clarified: match model and cable and then yes, you can swap the...