Asus KFN5-Q/SAS - Manual (Page 82)

4-12 Chapter 4: BIOS setup
The following items appear when the nVidia RAID function is set to
Enabled.
SATA 0 Primary Channel [Disabled]
SATA 0 Secondary Channel [Disabled]
SATA 1 Primary Channel [Disabled]
SATA 1 Secondary Channel [Disabled]
SATA 2 Primary Channel [Disabled]
SATA 2 Secondary Channel [Disabled]
Sets the Serial ATA Channel as RAID mode. Configuration options:
[Enabled] [Disabled]
For nVidia SATA RAID configuration, refer to 5.2 NVIDIA ® RAID
configurations.
Primary IDE Master/Slave, Serial-ATA 0/1/2 Primary and
Secondary Channels
Auto detects the presence of IDE devices.
Hard Disk Write Protect [Disabled]
Enables or disables the hard disk wirte protection. This will be effective
only if device is accessed through BIOS.
Configuration options: [Disabled] [Enabled]
IDE Detect Time Out [35]
Selects the time out value for detecting ATA/ATAPI devices.
Configuration options: [0] [5] [10] [15] [20] [25] [30] [35]
ATA(PI) 80Pin Cable Detection [Host]
Selects the mechanism for detecting 80Pin ATA(PI) Cable.
Configuration options: [Host & Device] [Host] [Device]