Intel I925XE User Manual page 43

IDE Primary/Secondary Master/Slave UDMA
Select the mode of operation for the IDE drive. Ultra DMA-33/66/100 implementa-
tion is possible only if your IDE hard drive supports it and the operating environ-
ment includes a DMA driver. If your hard drive and your system software both
support Ultra DMA-33/66/100, select Auto to enable UDMA mode by BIOS.
Options: Auto, Disabled.
*** On-Chip Serial ATA Setting ***
SATA Mode
This item allows you to select Serial ATA Mode.
Options: IDE, RAID, AHCI.
The following screen shows SATA Mode assigned to "RAID".
O/S driver for this RAID feature is available only for Windows XP, please
check future updates for other O/S support.
On-Chip Serial ATA
This option is available only when SATA Mode is set to "IDE". "Combined Mode"
will force S-ATA to replace one of the traditional IDE Primary or Secondary ports.
"Enhanced Mode" allows S-ATA to work simultaneously with Parallel-ATA.
Options: Disabled, Auto, Combined Mode, Enhanced Mode, SATA Only.
The following screen shows S-ATA Mode assigned to "IDE" and On-chip Serial
ATA assigned to "Combined Mode".
PATA IDE Mode
This option is available only when On-chip Serial ATA is in "Combined Mode".
Assigning "Primary" will make PATA IDE the Primary port and the remaining
SATA as Secondary port. Similarly, assigning "Secondary" will make PATA IDE
the Secondary port and SATA as Primary port.
BIOS
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