On Sat, 2005-11-05 at 09:11 +1100, Dean Hamstead wrote: > i have a 400w power supply, with a mboard and two hard disks > running off it. wattage means nothing.. Check on the side of the PSU and look for 5V/<some amps> 12v/<some amps> Your 12 volt rail should ideally have 24+ for an amd64 chip with a fairly decent graphics card.