Asus P5L 1394 - Manual (Page 76)

4-18 Chapter 4: BIOS setup
Enhanced Mode Support On [S-ATA]
Allows you to use native OS on Serial ATA and Parallel ATA ports. It is
recommend that you do not change the default setting for better OS
compatibility. In this setting, you may use legacy OS on the Parallel
ATA ports only if you do not install any Serial ATA device.
The S-ATA+P-ATA and P-ATA options are for advanced users only.
If you set to any of these options and encountered problems, revert
to the default setting S-ATA. Configuration options: [S‑ATA+P‑ATA]
[S-ATA] [P-ATA]
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]
Onboard IDE Operate Mode [Enhanced Mode]
Allows selection of the IDE operation mode depending on the installed
operating system (OS). Set to [Enhanced Mode] if you are using native OS
including Windows ® 2000/XP. Configuration options: [Disabled] [Compatible
Mode] [Enhanced Mode]
IDE Configuration
Onboard IDE Operate Mode
[Enhanced Mode]
Enhanced Mode Support On [S-ATA]
IDE Detect Time Out (Sec) [35]
When in AHCI/
RAID mode SATA
controller is
forced to Native
mode.
4.3.6 IDE Configuration
The items in this menu allow you to set or change the configurations for
the IDE devices installed in the system. Select an item then press <Enter>
if you wish to configure the item.