On Fri, 26 Dec 1997 02:20:45 EST XYGAX writes: > little or no 5V, it's possible to modify the supply so it regulates >via > the 12V output. This is rather advanced though. > >> >Now come on the regulation in a PC power supply is nearly always >controled >with a TL431 programable zener its simply a matter of tracing the >resistor What I meant is that it's "rather advanced" to take apart the supply, making sure not to get hurt from the 300V inside, find the feedback path and modify it; compared to hooking up a load resistor outside. A complete 12V conversion should also include bigger diodes for the 12V rectifier. The input-overcurrent trip point may need to be reduced to protect the transformer from overloads, since it isn't designed to deliver the full rated wattage only to the 12V output.