Answers to common questions about vintage computer power supplies.
The power connector, rails and current rating for every machine we build supplies for: Commodore, Amiga, ColecoVision and Atari, on one page.
Why forty-year-old power bricks destroy the computers they were built for, what actually fails inside them, and what a modern replacement changes about that.
How to read and operate the OLED display on the C64/C128/FDD Ultimate power supply: the seven screens, what the three touch buttons do, and how to adjust the output voltage.
A step-by-step way to tell whether a dead Commodore 64 is a power supply problem or a machine problem — without risking further damage while you find out.
How to pick the right replacement power supply: matching the connector, the rails and the current rating, and knowing when an adapter is safe.
What a power supply specification means in plain language: why a higher amp rating is safe, why voltage is not, and why Commodore wants 9V AC.
