PicoPSU Adaptor for Macintosh 128K / 512K / Plus

Name: PicoPSU Adaptor for Macintosh 128K / 512K / Plus
SKU: 28754
Price: 29.99 USD
Availability: InStock
Rating: 5.00 (1 reviews)

(1 Review)

Pico ATX PSU for Macintosh 128K / 512K / Plus

Designed by dekuNukem in United Kingdom

PicoPSU Adaptor for Macintosh 128K / 512K / Plus 1

PicoPSU Adaptor for Macintosh 128K / 512K / Plus 2

PicoPSU Adaptor for Macintosh 128K / 512K / Plus 3

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PicoPSU Adaptor for Macintosh 128K / 512K / Plus 5

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Pico ATX PSU for Macintosh 128K / 512K / Plus

This adaptor lets you use Pico ATX PSU in Macintosh 128K / 512K / Plus computers. It plugs into the motherboard and bypasses the unreliable internal PSU all together. Features Non-destructive and r…

Features

Non-destructive and reversible
Easy assembly and installation
PC fan header for added cooling
Fused rails

Instructions / Project Details

Reading this document is highly recommended to learn what to expect.

What You'll Get

By default the adaptor comes as a kit, and you solder it together yourself.

All basic through-hole parts. Should be fairly easy and beginner friendly.

I can also put it together for you, but it will cost extra.

More / Get in Touch

Similar adaptors for Mac SE, Mac 128K, Apple II/IIGS, BBC Micro, Osborne 1, and more are available! Check my other items!

Join our Discord for latest updates and support. You can also raise a Github issue, or email dekunukem gmail.com

Other stuff

Want a more general-purpose PicoPSU adaptor for diagnosing and retrofitting? Check out the full-fat ATX4VC!

Want to use USB inputs on vintage computers? Check out USB4VC!

Want to speed up your workflow? Here's an RGB hot-swap mechanical macropad with OLED!

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Review Breakdown

Average Ratings

Product: (5.00)

Documentation: (5.00)

Shipping: (5.00)

Communication: (5.00)

Guillaume | June 5, 2024

This brought power back to my old mac

I had a macPlus that stopped working all of a sudden. I found that this was due to a faulty AC/DC converter. I opted to get the PicoPSU Adapter.
I received the item, did a bit of soldering, and, after installing the picoATX PSU, the computer was back to life.
I really like the quality of the product, the PCB is sturdy, everything fits neatly in place. I'll get on future mods (a fan, linking to the power switch to use the regular switch instead of the "always on" mode.
It is indeed fully reversible (I opted to let the power cable go through the security lock hole), and maybe one day I'll source a reliable power board, but this little blocky computer is happy for now.
The item works with 20 pins nano PSUs, the seller was really kind in our communication, and indeed you can use 24 or 20 pins nano ATX plugs (they are indeed keyed so you cannot make any mistake).
Thank you very much.

Pros :
- Soldering is not that hard, follow the instructions, have some flux at hand, a nice multimeter and you'll be fine
- Works with 20 and 24 pins nano ATX power supplies
- Fully reversible mod (I really like the cable ties that can be opened to remove the wires), and non destructive
- Really easy to install (take care to avoid high voltage parts)

Cons :
- Are there any ? Maybe if you prefer to have your computer non-working. :)