DFI G7B630-B - Manual (Page 78)

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BIOS Setup
IDE Primary Master UDMA and IDE Secondary Master UDMA
These fields allow you to set the Ultra DMA in use. When Auto is
selected, the BIOS will select the best available option after checking
your hard drive or CD-ROM.
Auto The BIOS will automatically detect the settings for
you.
Disabled The BIOS will not detect these categories.
On-Chip Secondary PCI IDE
This field is used to enable or disable the secondary PCI IDE.
SATA Mode
IDE This option configures the Serial ATA drives in IDE mode.
RAID This option enables the RAID function for Serial ATA
drives.
AHCI This option configures the Serial ATA drives in AHCI
mode.
SATA Operating Mode
The options are Native and Compatibility.