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Where? Why would the problem progress, instead of being apparent right away?

I just recapped a Sharp passive matrix display from a PowerBook 160, it worked fine for the first hour but then the top half of the screen started flickering and went dark. If I crank the contrast I can see the top half flickering in darkness. I think it could be a bad connection with one of the...

Try http://discmaster.textfiles.com - tick the boxes to search in filename, content, deep and omit duplicates

I'm in Maryland and have done a few SuperDrives and 800K drives. I don't know about 400K drives, they're a different beast

What do you mean by useless? you can Write and Paint, run BASIC and Pascal

nah more like 128 dollars

Wouldn't any other 150 µH inductor work? Those joints look like they're cold/not fluxed. They should be smooth and shiny

By now it's more than likely that the rubber bumpers inside the hard disk drive have turned to goo and the head assembly is stuck in place now. It happens after 30 years. Sorry

This is the soldering iron I've been using for about 2 years now -> https://www.amazon.com/dp/B097XX76V4 Throw away the solder they include. Use this instead -> https://www.amazon.com/dp/B09KM1W7MW Throw away the tiny sponge too. Get a larger one. Yes, that iron is cheap. But I've successfully...

world's darkest tan

Look harder. It's almost always cracked/cold solder joints. Sometimes they are barely visible. Reflowing should fix it. If I recall correctly it's usually a crack on the the logic board cable socket.

Everything is well and good with the 1.2.1 ROM in my IIcx. I just wanted to try upgrading the ROM in case the card finds itself in a younger machine down the road. But I will not use a newer ROM if it disables features.

I tried Bolle's ROM in my Precision Color 8-24X, and it maxes out at 1024x768. Also doesn't show up in the QuickColor control panel from RadiusWare 2.2.1 so I assume acceleration is not working as-is (probably needs newer RadiusWare version). I will revert to the ROM 1.2.1 which came with my...

Yes