This PSU-in-a-Card lets you power IBM 5155 and IBM PC Compatibles with a Pico ATX PSU and very common 12V power bricks.

Works on any machine with ISA slot and AT-style (or similar) power connector.

Features

• Non-destructive

• Onboard -5V regulator

• PC fan header

• Built-in power switch. Also supports external switch.

Instructions / Project Details

Instructions for IBM PC Compatibles

Instructions for IBM 5155

What You'll Get

This adaptor comes either fully assembled, or as a kit.

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

IBM 5155 Kit: Additional Components for IBM 5155 Portable Personal Computer.

External Power Switch Kit

For hooking up external power switch/buttons.

More / Get in Touch

Similar adaptors for Compact Macintosh, 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

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

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!