Discord | User Manual

ATX4VC lets you use ATX power supply on vintage computers.

• Plug in ATX PSU on one end

• Get +12V, +5V, +3.3V, -5V, -12V out the other!

• Universal Voltage with Fused Rails

• Toolless Terminal Block

• PC Fan Header

• Fan speed, soft power, ARGB animation, temperature sensor with optional MCU board.

You can use ATX4VC to:

• Replace retro computer PSUs

• Test and diagnose vintage hardware

• As a general-purpose multi-voltage PSU

PicoRC

Also check out PicoRC for device-specific and lower-cost PicoPSU adaptors!

Available for:

• Apple II / IIGS

• Macintosh 128K/Plus

• Macintosh SE SE/30

• Osborne 1

Showcase

Here it replaces the dead PSU in my IBM 5155 Portable PC, providing +12, +5, -12, and -5V.

Note the significant simplification and space/weight saving!

It also works as a multi-voltage bench PSU for testing and diagnostics.

Here it powers a Macintosh Plus motherboard with +12, +5, and -12V.

Quick Start

• Plug in ATX connector

• Plug in power button

Push the button, PSU should turn on, powering all voltage rails. Hook it up to whatever you want!

User Manual

Do please read the full user manual here for the complete guide!

Accessories

MCU Daughterboard

Plugs into ATX4VC, adds following features:

• Soft power with momentary buttons

• Addressable RGB (ARGB) lighting. Adjustable brightness, animation, and color.

• DS18B20 Temperature Probe support

• PWM fan speed control, manual & automatic

• 5V Standby USB-C power output

Tooless Terminal Block

Installed by default.

Can be unpopulated for a thinner profile.

Auxiliary Wiring Harness

Plugs into the connector and brings out all the voltages. Ideal for permanent installation.

18AWG, 40cm / 15.7 inches.

Vinyl Stickers

24 stickers for labelling power rails.

Metal Power Button

Stainless Steel latching push button.

Alligator Clips

Six alligator clips with multicolour sleeves, solder or crimp on your own cable.

Extra Fuses

Ten extra 5A low-profile automotive fuses.