ASROCK P4VM900-SATA2 Installation Manual page 9

warning message will appear. Press Y to delete a specific array or press N to cancel.
Delete a disk array will destroy all the data on the disk array except RAID 1. When a RAID 1 is deleted, the data on these two hard disk drives will
be reserved and become two normal disks.
1.4.4 Select Boot Array
User can select a disk array as boot device if user wants to boot operating system from an array. Boot disk array may not be selected if user does
not boot the Operating System from the disk array. Use the arrow key to highlight the "Select Boot Disk" item then press <Enter>. The channel
column will be activated. Just use arrow key to highlight the target disk array then press <Enter>. If you select a disk array that has a boot mark
and press <Enter>, then its boot setting will be canceled.
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