Asus P8H61-I - Manual (Page 47)

Chapter 2: BIOS information 2-19
2.5.5 SATA Configuration
While entering Setup, the BIOS automatically detects the presence of SATA devices. The
SATA Port items show Not Present if no SATA device is installed to the corresponding SATA
port.
SATA Mode [IDE Mode]
Allows you to set the SATA configuration.
[Disabled]
Disables the SATA function.
[IDE Mode] Set to [IDE Mode] when you want to use the Serial ATA hard disk drives as
Parallel ATA physical storage devices.
[AHCI Mode] Set to [AHCI Mode] when you want the SATA hard disk drives to use the
AHCI (Advanced Host Controller Interface). The AHCI allows the onboard
storage driver to enable advanced Serial ATA features that increases
storage performance on random workloads by allowing the drive to
internally optimize the order of commands.
Serial-ATA Controller 0 [Enhanced]
This item appears only when you set the SATA Mode item to [IDE Mode].
[Disabled] Disables the SATA function.
[Enhanced] Set to [Enhanced] to support more than four SATA devices.
[Compatible] Set to [Compatible] when using Windows 98/NT/2000/MS-DOS. Up to four
SATA devices are supported under these oeprating syste.
Serial-ATA Controller 1 [Enhanced]
This item appears only when you set the SATA Mode item to [IDE Mode].
[Disabled] Disables the SATA function.
[Enhanced] Set to [Enhanced] to support more than four SATA devices.
S.M.A.R.T. Status Check [Enabled]
S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) is a monitor system. When
read/write of your hard disk errors occur, this feature allows the hard disk to report warning
messages during the POST. Configuration options: [Enabled] [Disabled]
2.5.6 USB Configuration
The items in this menu allow you to change the USB-related features.
The USB Devices item shows the auto-detected values. If no USB device is detected, the
item shows None.
Legacy USB Support [Enabled]
[Enabled] Enables the support for USB devices on legacy operating systems (OS).
[Disabled] The USB devices can be used only for the BIOS setup program.
[Auto] Allows the system to detect the presence of USB devices at startup. If
detected, the USB controller legacy mode is enabled. If no USB device is
detected, the legacy USB support is disabled.