Asus C8HM70-I/HDMI - Manual (Page 40)

2-16 Chapter 2: Getting started
CPU C7 Report [Enabled]
Allows you to disable or enable the CPU C7 report to OS.
[Disabled] Disables this function.
[Enabled] Enables the C7 report function. This item should be enabled in order
to enable the Enhanced Halt State.
Package C State Support [Auto]
Allows you to disable or enable the Package C State Support.
[Auto] Set this item automatically.
[Disabled] Disables this function.
[Enabled] Enables the Package C State Support function.
2.5.2 PCH Configuration
High Precision Timer [Enabled]
Allows you to enable or disable the High Precision Event Timer.
Configuration options: [Enabled] [Disabled]
2.5.3 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 Selection [AHCI]
Allows you to set the SATA configuration.
[Disabled]
Disables the SATA function.
[IDE] Set to [IDE] when you want to use the Serial ATA hard disk drives as
Parallel ATA physical storage devices.
[AHCI] Set to [AHCI] 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.
S.M.A.R.T. Status Check [Enabled]
This item only appears when you set SATA Mode Selection to [AHCI] or [IDE]. 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]
Hot Plug [Disabled]
This item only appears when you set the SATA Mode Selection item to [AHCI] and allows you
to enable or disable the hot-plug support for each SATA port.
Configuration options: [Enabled] [Disabled]