Drive perfomance based on controller on mobo?b

[Megalomaniac]

i think that this would be best done by example.

http://www.vr-zone.com/?i=3745&s=4
Heres is a link to VR zones Gigabyte GA-965P-DQ6.

it has 8 Sata ports.
6 are on the ICH8
and 2 more on the Jmicron.

Is there any perfomace gain or loss for hooking up a drive to one controller or the other?