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Here are photos of my power adapter (I have two):

I have the 2nd Gen. Wallstreet called the PDQ which has not Reset button on back. Instead PDQ owners must press Shift + Fn + Control + Power button for about 5 to 10 seconds. I've done that though, to no avail. This is the area where most people I've spoken to are not crystal clear about. No...

Thank you for providing me with feedback. Yes, I pressed the power button for a long and a short period of time, multiple times, but nothing happens. I have two different power adapters and neither work in terms of getting the machine to power on when I press the power button. But if they were...

High Resolution Top & Bottom photos of all the DC boards. Barrel Plug Board Primary DC Board with Daughtercard Attached Daughtercard

Here are photos of the insides of the Newer Technology Nupower PRAM battery (for PB G3 Wallstreet) that is now dead, and which I purchased back in the day from OWC... Here is a schematic showing how they are wired... Interestingly, the CR2330 3V button cells they used are NOT...

This video shows the two DC boards, showing how there is nothing wrong with the solder joints at the barrel plug, and showing the electrolytic capacitors on the primary (big) DC board located near the trackpad.

Here's a video showing how I removed the PRAM battery (just FYI)...

I have two PowerBook Wallstreet PDQ notebooks that once worked fine several years ago), but now neither will power-on when I press the POWER button (long or short press). When I first plug-in the Apple AC Adapter, the fan spins at full blast and the green power LED lights for a couple...

BACKGROUND My employer has been selling off our vintage Macs on Yahoo Auctions Japan over the past several months. Prior to selling our G4 Cubes, I needed to fix their Power Bricks by way of RECAPPING. I was rather shocked to find pretty much no info on that topic online. Seems more people...

Oh, sorry, I misread. But wait... People actually still use 575 machines as a 575? ;-) I'm not joking that much though because most I've seen tend to fall to pieces, yet the Color Classics I've seen remain intact. I think that's why so many put the 575 guts inside a CC. At least the CC...

The holy grail of back panels is found here, @Ron's Computer Videos ... https://tinkerdifferent.com/threads/color-classic-mystic-back-panel-model.4411/#post-38005

Welcome to TinkerDifferent, @RaskAttack ! I was 13 when our family got its first computer for the home -- the 128K Mac in early 1984. That machine really changed my computing life. I can't help but think that what you're working on right now in your own digital world will share your future...

Again, my Rocket is the ASIC version that differs from yours. I also don’t have a huge amount of experience with Rockets in general, so I will need to defer to owners of the GAL Rocket like @max1zzz regarding the heat of chips you are seeing. The only thing I can offer are general job, shooting...

The slot in the SE/30 is PDS. “Cache slot” accelerators like the Daystar Turbo040 are absolutely NOT compatible with PDS, and you will fry chips on your accelerator if you plug it into any PDS slot. I know because I accidentally did that once to my Turbo040. The TS Adapter from ARTMIX Japan...

There is nothing too unique about the ROM-inator II Carbon (4MB) relative to the "Atom" (2MB) that came before it, or even the earlier versions that were offered in 2MB, 4MB and even 8MB sizes. Other companies make custom ROM SIMMs too, and I made this video showing all of them. They all...

Both of these cute little guys came out in 2025, but I only recently acquired them and decided to do a review. Each has its good and bad, not to mention a big price difference. Some of you probably already own one or both, so I'd love to read your thoughts. I've grown rather fond of both.

Not sure about flyback lifespan because the problems are many and I cannot put my finger on exactly when those problems start. For example, there are some that produce an ozone smell, which is a telltale sign of high voltage leaking out due to a broken seal (typically, the yellow glue toward...

Sure enough, he did right here… https://tinkerdifferent.com/threads/warpse-25-mhz-68hc000-based-accelerator-for-mac-se.253/page-16#post-21903 Quote: All of our products are totally open-source, even for commercial use. We are trying to encourage further development of our work and obviously...

He was one of the top reasons I left to join Mr. Fahrenheit’s team who ultimately created this forum. That was early July 2021 when I stopped posting at the MLA and swore that I would never post publicly there again as long as he and the current leadership are in place, and so far, I have kept...

That’s going to be a subject of a different video, so no I’ve not started it yet.