Replace aging vintage computer power supply with modern ATX PSUDesigned by dekuNukem in United Kingdom
Discord | User Manual | Project Page ATX4VC is an all-in-one controller for using ATX power supply on vintage computers. It has: All common voltages in one place: +12V, +5V, +3.3V, -5V, -12V. Fused…Read More…
ATX4VC is an all-in-one controller for using ATX power supply on vintage computers.
All common voltages in one place: +12V, +5V, +3.3V, -5V, -12V. Fused.
Power button and power LED headers.
4-pin PWM fan headers with temperature probe support.
Addressable RGB (ARGB) headers
USB-C power output
ATX4VC can be used to:
Replace aging retro computer power supplies
Add cooling and lighting upgrades
Test and diagnose vintage hardware
As general-purpose multi-voltage bench PSU
ATX4VC was used in my RGBeeb project to power a BBC Micro with +5 and -5V using a full-size PSU.
But of course, a pico ATX PSU makes more sense due to its compact size.
Here it replaces the failed PSU in my Osborne 1, providing +12 and +5V.
You can also just use it as a multi-voltage bench PSU for testing and diagnostics.
Here it powers a Macintosh Plus motherboard with +12, +5, and -12V.
Power supplies are a major failure point of old computers today. Those early PSUs are heavy, inefficient, hot, and (slightly) explosive! After 40 odd years, many are not working, or worse might cause damage with out-of-spec voltages.
ATX4VC is designed to replace them with more reliable modern ATX PSUs, and help test and diagnose vintage computers.
Plug in ATX connector
Press the power button
The PSU should turn on, powering all voltage rails.
You can then attach your own power button, power LED, fans, ARGB lighting, and USB-C devices.
Do please read the full user manual here for the complete guide!
24 stickers for labelling power rails.
Simple plastic momentary pushbutton, or metal button with white backlight:
Six alligator clips with multicolour sleeves, solder or crimp on your own cable.
Ten extra 5A low-profile automotive fuses.
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