1.) Delete your RAID-0 setup in RAID BIOS.
2.) Reboot into BIOS and change SATA mode to AHCI.
3.) Shut down computer.
4.) Disconnect 1 HDD.
5.) Install Windows (Windows will automatically format the drive during installation).
6.) Shut down computer and connect 2nd HDD.
7.) Boot into Windows, go to Disk Management, initialize 2nd HDD, Quick Format it, and assign it a drive letter.
Oh yeah. I forgot step two as well. I am not doing to use the second hard drive, since it's like four years old, SATA 3/gbits. I don't it to crash, losing all my files. I will ignore step 6 and 7, and install drivers and programs. Is that okay? Thanks.