The Master PSU is the one which must be connected to the motherboard and I would recommend one that has a high wattage 3.3/5V rail because some CPUs, in particular the Athlon, require this high wattage. It may also supply 12V to
supplement the 12V supplied by the slave PSU if required. You can check some of these out at AMD. The Slave PSU, which mainly feeds the 12V required by harddrives, CDROMs etc, can be any PSU with a decent 12V
rail, even your existing one.
The colours of the cable may differ so make sure you use the pin numbers, (see page one for pin numbers Pins 15 and 7 (Black) are ground wires, pin 14 (green) is the power on cable and pin 8 (grey) is the power good
Connect pin 15 from both PSU's together and connect pin 14 from both together. On the slave PSU connect pins 7 and 8 together.
Disclaimer: This article is for educational use only! Under no circumstances do Burningissues.net or I accept any
responsibility for the way you use this information. This project should only be carried out by competent persons. After saying that, to the best of my knowledge, as long as you follow the instructions carefully you should have no problems. I would recommend testing it on an
old motherboard if possible.
Page 1: Introduction
Page 3: Making the adaptor
Page 4: complete
Page 5: Hints and tips