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I've got a laptop from 1995 with a (very) primitive copper heat pipe, and a few others from years after. Good ones started coming out around 2001/02 though.
Yeah.... they're real fun to restore! I wanted the 100, 140, and 170 together for a video I'm putting together at some point soon. After that, it's gonna go on eBay as I have a 145 already.
I forgot about that cap and will have a note on it added with the next update, thanks for the reminder!
As for the 280c, that’s one of the pages I haven’t updated yet. There will be a note on all the Duo pages about the risk of running them on original caps once those get the formatting update.
Oh - and I just added even more capacitor reference to MacDat! Most of it is PowerBook stuff. I'm also going through each page and updating the formatting - there's still a mix of new and old right now.
Enjoy :)
https://macdat.net/repair/cap_reference.html
You got internal photos? The hinge mounts may be fine for now, but the base ones always seem to break. You'll just have to wait and see when it arrives.
I do think that the hinge mounts *should* be fine if they aren't stress cracking yet - my 180c has original hinge mounts and no stress cracks...
Have you tried leaving it plugged in overnight while powered off yet? That worked on my PowerBook 145 which would "charge" the battery up in about a minute (while not putting any actual charge into it).
The not being able to cold start off the battery reads as a PRAM battery problem, not sure about the other two. I'd check your work there as others have said and then recap the logic board if all there looks fine.
You will probably have to repair the screwposts for the hinges, and the ones for the drive cage in the base. The plastics on these aren't really brittle, but they've shrunk a bit with time which causes cracks around screw posts (which have brass inserts that can't shrink with the plastics). You...
That is definitely related to battery charging and I doubt it would charge a battery without that plugged in. You're saying it still won't charge with this plugged in?
Yeah there's no bomarc stuff for the PowerBooks. Only laptop schematics we have are the Macintosh Portable, PowerBook 100, PowerBook 140/145/170, and some later G4 stuff. Not much that can be done about the lack of schematics then. If you don't have them, no one does :)
The one issue you probably will run into is that larger file transfers will freeze. This seems to happen on any 3400c with an SD card installed when running Mac OS 8.5 (probably also 8.6). 7.6.1 and I think also 8.1 don't have this issue, so you can just dual-boot (or quad-boot like I've done :))
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