Supermicro 7047R-72RF, User Manual, Page: 83 / 104

Chapter 7: BIOS
7-15

South Bridge
This feature allows the user to confi gure the settings for the Intel PCH chip.
PCH Information
This feature displays the following PCH information.
•
Name : This item displays the name of the PCH chip.
•
Stepping : This item displays the status of the PCH stepping.
All USB Devices
Select Enabled to enable all onboard USB devices. The options are Enabled
and Disabled. When set to enabled, EHCI Controller 1 and 2 will appear below.
EHCI Controller 1/ EHCI Controller 2
Select Enabled to enable Enhanced Host Interface (EHCI) Controller 1 or Con-
troller 2 to improve overall platform performance. The options are Enabled and
Disabled.
Legacy USB Support (Available when USB Functions is not Disabled)
Select Enabled to support legacy USB devices. Select Auto to disable legacy
support if USB devices are not present. Select Disable to have USB devices
available for EFI (Extensive Firmware Interface) applications only. The settings
are Enabled, Disabled and Auto.
Port 60/64 Emulation
Select Enabled to enable I/O port 60h/64h emulation support for the legacy USB
keyboard so that it can be fully supported by the operating systems that do not
recognize a USB device. The options are Disabled and Enabled .
EHCI Hand-off
Select Enabled to enable support for operating systems that do not support
Enhanced Host Controller Interface (EHCI) hand-off. When enabled, EHCI
ownership change will be claimed by the EHCI driver. The options are Disabled
and Enabled.

SATA Confi guration
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.