Acer AB460 F1 - Manual (Page 200)

3 Server Blades: Setup and Installation 180
USB 2.0 Controller: Select Enabled to activate the onboard USB 2.0
controller.
Note: Only available when USB Functions is set to Disabled.
Otherwise, this item will be set to Enabled by the BIOS.
USB 2.0 Controller Mode: This setting allows you to select the USB 2.0
Controller mode.
BIOS EHCI Hand-Off: Enable or disable BIOS Enhanced Host Controller
Interface support to provide a workaround solution for an operating
system that does not have EHCI Hand-Off support. When enabled, the
EHCI Interface will be changed from BIOS-controlled to OS-controlled.
IDE/SATA configuration
When this submenu is selected, the BIOS automatically detects the
presence of the IDE devices and displays the following items:
Figure 3-117. IDE/SATA configuration
SATA#1 configuration: If Compatible is selected, it sets SATA#1 to
legacy compatibility mode, while selecting Enhanced sets SATA#1 to
native SATA mode.
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Configure SATA#1 as - This feature allows you to select the drive