Asus P8P67-M PRO - Manual (Page 69)

Chapter 2: BIOS information 2-19
CPU C1E [Enabled]
[Enabled] Enables the C1E support function. This item should be enabled in order to
enable the Enhanced Halt State.
[Disabled] Disables this function.
CPU C3 Report [Enabled]
Allows you to disable or enable the CPU C3 report to the operating system. Configuration
options: [Disabled] [ACPI C-2] [ACPI C-3]
CPU C6 Report [Enabled]
Allows you to disable or enable the CPU C6 report to the operating system. Configuration
options: [Enabled] [Disabled]
2.5.3 PCH Configuration
High Precision Timer [Enabled]
Allows you to enable or disable the High Precision Event Timer.
Configuration options: [Enabled] [Disabled]
2.5.4 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 [AHCI 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.
[RAID Mode] Set to [RAID Mode] when you want to create a RAID configuration from the
SATA hard disk drives.
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 operating systems.