Asus H310A-EM-A User Manual English - Page 61

USB Configuration, Network Stack Configuration

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Flow Control Flow control can prevent data loss from buffer overflow. When sending data, if the receiving buffers are full, a "stop" signal can be sent to stop the data flow. Once the buffers are empty, a "start" signal can be sent to re-start the flow. Hardware flow control uses two wires to send start/stop signals. Configuration options: [None] [Hardware RTS/CTS] [Software Xon/Xoff] 3.4.10 PCI Subsystem Settings SR-IOV Support [Disabled] Allows you to enable or disable Single Root IO Virtualization Support. Configuration options: [Enable] [Disabled] 3.4.11 USB Configuration NOTE: The USB Devices item lists auto-detected values. If no USB device is detected, the item shows None. Legacy USB Support [Enabled] [Enabled] Enables the support for USB devices on legacy operating systems (OS). [Disabled] USB devices are only available when running BIOS Setup. [Auto] Allows the system to detect the presence of USB devices at startup. If detected, the USB controller legacy mode is enabled. If no USB device is detected, the legacy USB support is disabled. XHCI Hand-off [Disabled] This item functions as a workaround for OSes without XHCI hand-off support. The XHCI ownership change should be claimed by XHCI driver. Configuration options: [Enabled] [Disabled] USB Single Port Control This item allows you to enable or disable the individual USB ports. NOTE: Refer to the manual for the location of the USB ports. 3.4.12 Network Stack Configuration Network Stack [Disabled] This item allows user to disable or enable the UEFI network stack. Configuration options: [Disabled] [Enabled] Chapter 3: BIOS setup 3-27

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3-27
Chapter 3: BIOS setup
Flow Control
Flow control can prevent data loss from buffer overflow. When sending data,
if the receiving buffers are full, a “stop” signal can be sent to stop the data
flow. Once the buffers are empty, a “start” signal can be sent to re-start the
flow. Hardware flow control uses two wires to send start/stop signals.
Configuration options: [None] [Hardware RTS/CTS] [Software Xon/Xoff]
3.4.10
PCI Subsystem Settings
SR-IOV Support [Disabled]
Allows you to enable or disable Single Root IO Virtualization Support.
Configuration options: [Enable] [Disabled]
3.4.11
USB Configuration
NOTE:
The USB Devices item lists auto-detected values. If no USB device is
detected, the item shows None.
Legacy USB Support [Enabled]
[Enabled]
Enables the support for USB devices on legacy operating
systems (OS).
[Disabled]
USB devices are only available when running BIOS Setup.
[Auto]
Allows the system to detect the presence of USB devices
at startup. If detected, the USB controller legacy mode is
enabled. If no USB device is detected, the legacy USB support
is disabled.
XHCI Hand-off [Disabled]
This item functions as a workaround for OSes without XHCI hand-off support. The
XHCI ownership change should be claimed by XHCI driver.
Configuration options: [Enabled] [Disabled]
USB Single Port Control
This item allows you to enable or disable the individual USB ports.
NOTE:
Refer to the manual for the location of the USB ports.
3.4.12
Network Stack Configuration
Network Stack [Disabled]
This item allows user to disable or enable the UEFI network stack. Configuration
options: [Disabled] [Enabled]