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 ...
If your computer still has these connectors inside, you could be in danger ...
Not too sure if this is what you're asking but I swapped the PSU fan in my PC for a silent Papst thing. All I did was remove the PSU fan which was connected by a tiny 2-pin connector, cut the wires on ...