ASROCK 939S56-M Manual page 21

3. After you select Available Raid, click the Available Disk button to find
whether any empty hard disk existing. See below:
Next, highlight the empty hard disk you want to select. And you can click
the OK button to continue or click Cancel to give up this selection.
4. When the Available Raid and Available Disk is finished, you may click
the Start button to start this operation. And the Start button will become
Pause. Then you can click the Pause button to pause the thread operation.
And the Pause button will become Start. Or you may click the Stop
button to cancel this operation. This operation can be broken off if you
want to close this RAID utility or shut down your computer, and it can
continue when you open this RAID utility again or restart you computer
next time.