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Yes that's what I vaguely remember from my 150 back in the day. It was never a smooth dimming action, but it certainly wasn't binary. Makes me suspect some other component on the inverter board is no longer operating in spec and preventing whatever level of dimming was originally achieved.

Thanks for confirming. I've read that adjusting the brightness can also help, but I don't think they meant turning the backlight off, which is the only brightness 'adjustment' I seem to have. 😂

After swapping out the 11 caps on the screen with tantalum equivalents, and the 2 on the inverted board with electrolytic/polymer replacements, the screen on my newly acquired PB 160 has come back to life! Huzzah! It does however still exhibit quite a bit of smearing/shadowing/ghosting (not...

Nice! Great tip, thx.

Yep, already found your list and got my DigiKey order placed this evening! Thanks for making all that info easily accessible. (y)

@finkmac Perfect, thanks!

Just starting to get to work on a new PowerBook 160 project. The whole trackball roller assembly is understandably a bit crusty (though it could be much worse). Any reason NOT to submerge the whole black roller assembly into IPA to help loosen up the gunk before I go at it with a soft brush? I...

Thanks for the input. And you are correct, I picked this up today and the trackball is most definitely PINK!! Nice little splash of color, I dig it. The exterior of the case looks in great shape, no visible physical damage to the screen panel, and signs point to the machine booting up even...

:geek:(y) There is another one listed for sale that is closer to me, but with standard gray track ball. I figured the red one is worth a bit of a longer drive.

Thx for the feedback!

Whoa, an 8ball? Sweet. Definitely never saw one of those. Supposed to be meeting up with the seller this weekend and hopefully coming home with a new project! Will report back. Thx.

Awesome, thanks for the detailed info. Yeah I also thought the red track ball was cool. I vaguely remember seeing some of those back in the day. Is that pretty rare to find now?

Hi all. I am considering picking up this PB160 from a local seller as a restoration project. I’m a computer engineer with several vintage 68k restorations under my belt now and I’ve read all about what to expect with this model, so I’m not concerned about the restoration itself. I’m only...

Awesome feedback so far, thanks a million everyone. Lots of truly helpful info here. I think so far I'm leaning toward either a PB100 for that original vintage PB vibe (I really dig the trackball), or a PB190cs for the color and expandability. The 540c certainly appeals to me too, but as...

Hi all. I’ve only collected and repaired 68k compact Macs thus far, but I’m interested in adding at least one Powerbook to the collection. In your opinions what are the coolest 68k Powerbook models? Fwiw I found the below thread that has some great info regarding various models’ repairability...

Reporting back with my fix for anyone else who has this issue in the future. As mentioned above, the size for these three accessory bracket mounting screws is something between an M3 and M2, which is problematic as it doesn't match any other screws in the chassis and it's not a size you're...

No worries, thanks for the info either way!

Haha. Yes my project will certainly fall into the "because why not" category. I'll PM you with a couple of questions. Thanks.

Yeah MPW does not look like it would be enjoyable to use. I landed on CodeWarrior 5 Pro as the latest I could install on a BasiliskII Quadra 68040 running 7.5.5. Thanks for the documentation reference, that's helpful.

Update: It looks like someone has developed a more modern workflow using the CodeLite IDE and Retro68, which seems like a solid option I will defintely investigate. And interestingly enough, there is some code in the following article that reveals some of the syntax used with the Mac's serial...