greetings to all Rafikis(friends)

ive finished installing my new mobo , and installed 2 HD as raid 0 on Marvell controller(sata6-7) , now when i run windows 7 and choose the hard-disk to install on , setup reports error saying it cant create the partition , i tried Sata8-9 and sata0-1 but same error

can any one kindly help me solve this

i7 920
6GB ddr3 Kingston
2x 320 GB Maxtor HD (Raid 0)
4x 1TB Maxtor HD
Epsilon 800Watts
Ati Radeon HD 5870