Hack to convert from/to 110v to/from 220v main voltage. basics guide 110v 220v eevblog details here forum Atx 400w schematic smps schematics troubleshoot wiring
400w Atx Power Supply Circuit Diagram - Wiring Diagram and Schematics
400w atx power supply circuit diagram
400w Atx Power Supply Circuit Diagram - Wiring Diagram and Schematics
Hack to convert from/to 110V to/from 220V main voltage. Basics guide