GA-EP35-DS4 , system halts in vista ?

[dunken]

Config is as follows:

Intel Core 2 QUAD Q9450
Gainward GeForce 8800GTS
Corsair 620 w psu
2 x OCZ nVIDIA SLI DDR2 PC6400 4096MB KIT,
2 x Wd raptor 74 gb running raid 0
1 x seagate seagate
1 x dvd
Running vista ultimate x64

First install of visa i used the intel ich9r function running raid 0 to the western hds. Did plug em into port 5-6.
Everytime i tried to access something the system halts , same thing happends when i tried to play a mp3, song just stoppes then continue etc for like 5-8 seconds, then it works just fine

Did move the sata cable to port 1-2 with the raptor , then it worked way much better .

It seems that as soon as i access the dvd system hangs

Anyone got a clue ?

Dvd is working etc