Chapter 4: AMI BIOS
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devices available for EFI (Extensive Firmware Interface) applications only. The
settings are Disabled, Enabled and Auto.
Port 60/64 Emulation
Select Enabled to enable I/O port 60h/64h emulation support for a legacy USB
keyboard to be supported by the operating system that does not recognize a legacy
USB device. The options are Disabled and Enabled.
EHCI Hand-Off
This item is for operating systems that do not support Enhanced Host Controller
Interface (EHCI) hand-off. When this feature is enabled, EHCI ownership change
will be claimed by the EHCI driver. The options are Disabled and Enabled.
SATA Conguration
When this submenu is selected, the AMI BIOS automatically detects the presence
of IDE or SATA devices and displays the following items.
SATA Port0~SATA Port5: The AMI BIOS displays the status of each SATA port
as detected by the BIOS.
SATA Mode
Use this feature to congure SATA mode for a selected SATA port. The options
are Disabled, IDE Mode, AHCI Mode, and RAID Mode. The following items will be
displayed pending on your selection:
IDE Mode
The following items are displayed when IDE Mode is selected:
Serial-ATA (SATA) Controller 0~1
Use this feature to activate or deactivate the SATA controller, and set the
compatibility mode. The options are Disabled, Enhanced, and Compatible.
The default for SATA Controller 0 is Compatible. The default of SATA Con-
troller 1 is Enhanced.
AHCI Mode
The following items are displayed when the AHCI Mode is selected.
Aggressive Link Power Management
When this item is set to Enabled, the SATA AHCI controller manages the
power usage of the SATA link. The controller will put the link in a low power
mode during extended periods of I/O inactivity, and will return the link to
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