Dell Inspiron 531S Owner's  Manual - Page 45

Using the Nvidia MediaShield ROM Utility NOTICE: The following procedure will result in the loss of all data on your hard drive(s). Back up any data you want to keep before continuing. Hard drives of any size may be used to create a RAID configuration. Ideally, however, the drives should be of equal size to avoid unallocated or unused space. For an explanation of RAID levels and their requirements, see "About RAID Configurations (For Windows Vista® only)" on page 43. For information on how to install a hard drive, see "Installing a Hard Drive" on page 128. 1 Enable RAID for each applicable hard drive on your computer (see "Setting Your Computer to RAID-Enabled Mode" on page 44). 2 Restart the computer. 3 Press when prompted to enter the RAID BIOS. NOTE: If the operating system logo appears, continue to wait until you see the Microsoft Windows desktop, then shut down your computer and try again. The Define a New Array window appears. 4 Press to navigate to the RAID Mode field. To create a RAID 1 configuration, use the arrow keys to select Mirroring. 5 Press to navigate to the Free Disks field. 6 Use the up- and down-arrow keys to select a hard drive to include in the RAID array and then use the right-arrow key to move the selected drive from the Free Disks field to the Array Disks field. Repeat for each disk you want to include in the RAID array. NOTE: Your computer supports a maximum of two drives per RAID 1 array. 7 After assigning the hard drives to an array, press . The Clear disk data prompt appears. NOTICE: You will lose all data on the selected drives in the next step. 8 Press to clear all data from the selected drives. The Array List window appears. Setting Up and Using Your Computer 45