Asus P5W - Manual (Page 160)

5- Chapter 5: Software support
5. Use the up/down arrow key to highlight the drive you want to set, then press
to select. A small triangle marks the selected drive. Press
after completing your selection.
6. When the Stripe Size item is highlighted, press the up/down arrow key
to select the stripe size for the RAID 5 array, then press .
The available stripe size values range from 4 KB to 128 KB. The default
stripe size is 64 KB.
WARNING: ALL DATA ON SELECTED DISKS WILL BE LOST.
Are you sure you want to create this volume? (Y/N):
9. Press to create the RAID volume and return to the main menu or to
go back to the Create Volume menu.
TIP: We recommend a lower stripe size for server systems, and a higher stripe
size for multimedia computer systems used mainly for audio and video editing.
7. Key in the RAID volume capacity that you want, then press when
the Capacity item is highlighted. The default value indicates the maximum
allowed capacity.
8. Press when the Create Volume item is highlighted. This warning
message appears.