On page 4, there is an "IDE Power" connector. It looks a lot like a 4 pin CPU fan connector, but it (obviously) provides different voltages that are appropriate for 3.5" IDE drives (5V, 12V) and the ...
I've just bought a new Gigabyte GA-P55A-UD4 motherboard. It has a 24 pin power supply socket and an 8 pin one as well (which I think is often referred to as 2x4). My power supply (which I was told is ...