The first screen you see use your up or down arrow to navigate to Drive Configuration once selected press enter the screen should like this:
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The following table shows Drive Configuration option information.
Diskette Drive A: Displays floppy drive details.
SATA Primary Drive: Displays SATA primary hard drive (if installed). The default is Auto.
SATA Secondary Drive: Displays SATA secondary hard drive (if installed). The default is Auto.
Primary Drive 0: Displays primary hard drive 0. The default is Auto
Primary Drive 1: Displays primary hard drive 1 (if installed). The default is Off.
Secondary Drive 0: Displays secondary hard drive 0.The default is Auto
Secondary Drive 1: Displays secondary hard drive device type. The default is Off.
IDE Drive UDMA: Turns IDE Drive UDMA on and off. The default is On.
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Verify if both SATA are set to AUTO
If you can see both Sata HD on this field then all you have left to do is to set it up in Windows Vista. Please refer to this link on how to enable and format a Hard Drive in VISTA.
http://www.brighthub...cles/22069.aspx