South Bridge Chipset Configuration
USB Functions
Select: Disabled, 2 USB Ports, 4 USB Ports, 6 USB Ports or 8 USB Ports.
USB 2.0 Controller
Enables or disables the USB 2.0 controller.
SMBUS Controller
Enables or disables the SMBUS controller.
SLP_S4# Min. Assertion Width
This item allows you to set a delay of a set number of seconds.
Restore on AC Power Loss
This option allows user to set system action when AC power restores after AC
power loss. Available options include Power Off, Power On, Last Status.
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IA32 Motherboard User Manual