Nvidia 680I LT SLI - Manual (Page 45)

Mainboard nForce 680i SLI/
Mainboard nForce 680i LT SLI
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4. After all of the options are properly configured, press <F7>. A confirmation box will display
as shown below. Hit <Y> to continue the RAID array creation.
5. An alert box will appear as shown below. Press <Y> to clear the Master Boot Record and
complete the RAID array creation.