You can use both SATA and IDE connectors in a machine, but you obviously need to make sure the jumpers are set correctly.
If I was you, make sure your HDD is connected mainly by SATA and not IDE. It should then work fine.
Apparently SATA is slightly faster compared to IDE.
Check this link out, it gives peoples opinions and various set ups that have no problems.
http://forums.cnet.com/5208-7588_102...hreadID=115142
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