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USB Setup Settings#

General#

Attention

The number of USB ports may vary depending on model.

USB Port Access#

Whether to enable USB devices.

Attention

When disabled, all other USB settings are removed, except for USB Enumeration Delay.

Possible options:

  1. Enabled – Default.
  2. Disabled
WMI Setting name Values SVP / SMP Req'd AMD/Intel
USBPortAccess Disabled, Enabled Yes Both

Always On USB#

Whether USB ports remain powered for charging when the system is off.

Possible options:

  1. Disabled – Default.
  2. Enabled
WMI Setting name Values SVP / SMP Req'd AMD/Intel
AlwaysOnUsb Disabled, Enabled Yes Both

USB BIOS Support#

Whether USB keyboard and/or USB mouse may be used without device driver support.

Possible options:

  1. Enabled - Default.
  2. Disabled

USB Charging Port in S4/S5#

Whether to allow USB charging in hibernation and shutdown states.

Possible options:

  1. Disabled - Default.
  2. Enabled
WMI Setting name Values SVP or SMP Req'd AMD/Intel
USBChargingPortInS4S5 Disable, Enable Yes AMD

XHCI Hand-off#

Whether USB3 ownership can be handed off to OS driver (not remaining in BIOS).

Possible options:

  1. Enabled - Default.
  2. Disabled
WMI Setting name Values SVP or SMP Req'd AMD/Intel
XHCIHandoff Disable, Enable Yes AMD

USB hardware delays and time-outs#

USB Enumeration Delay#

Whether extra delay is added when host performs USB enumeration.

Attention

May improve the compatibility of USB device detection but increase POST Time.

Possible options:

  1. Disabled - Default.
  2. Enabled
WMI Setting name Values SVP / SMP Req'd AMD/Intel
USBEnumerationDelay Disabled, Enabled Yes Intel

USB Transfer Time-out#

The time-out value for Control, Bulk, and Interrupt transfers.

Possible options:

  1. 1 sec
  2. 5 sec
  3. 10 sec
  4. 20 sec - Default.
WMI Setting name Values SVP or SMP Req'd AMD/Intel
USBTransferTimeout 1 sec, 5 sec, 10 sec, 20 sec Yes AMD

Device Reset Time-out#

USB mass storage device Start Unit command time-out.

Possible options:

  1. 10 sec
  2. 20 sec - Default
  3. 30 sec
  4. 40 sec
WMI Setting name Values SVP or SMP Req'd AMD/Intel
DeviceResetTimeout 10 sec, 20 sec, 30 sec, 40 sec Yes AMD

Device Power-up Delay#

Maximum time before device reports itself to the Host Controller.

Auto default values:

  • Root port: 100 ms
  • Hub port: delay taken from hub descriptor

Possible options:

  1. Auto - Default.
  2. Manual
WMI Setting name Values SVP or SMP Req'd AMD/Intel
DevicePowerupDelay Auto, Manual Yes AMD

Front USB Ports#

Whether to enable all Front USB ports and relevant setting fields.

Possible options:

  1. Enabled – Default.
  2. Disabled
WMI Setting name Values SVP / SMP Req'd AMD/Intel
FrontUSBPorts Disabled, Enabled Yes Both

Media Card Reader#

Whether to enable the Media Card Reader (MCR).

Possible options:

  1. Enabled - Default.
  2. Disabled
WMI Setting name Values SVP or SMP Req'd AMD/Intel
MediaCardReader Disable, Enable Yes AMD

MCR USB Header#

Whether the device connected to this USB header has the characteristics of external USB.

Possible options:

  1. Internal - Default. Select when connected to Media Card Reader (MCR).
  2. External. Select when connected to USB Type C port.
WMI Setting name Values SVP or SMP Req'd AMD/Intel
MCRUSBHeader Internal, External Yes AMD

Internal USB3.2 Port#

Whether to enable the internal USB 3.2 port.

Possible options:

  1. Enabled - Default.
  2. Disabled
WMI Setting name Values SVP or SMP Req'd AMD/Intel
InternalUSB3Port Disable, Enable Yes AMD

Internal USB2.0 Port#

Whether to enable the internal USB 2.0 port.

Possible options:

  1. Enabled - Default.
  2. Disabled
WMI Setting name Values SVP or SMP Req'd AMD/Intel
InternalUSB2Port Disable, Enable Yes AMD

Rear USB Ports#

Whether to enable or disable all rear USB ports and relevant settings.

Possible options:

  1. Enabled – Default.
  2. Disabled
WMI Setting name Values SVP / SMP Req'd AMD/Intel
RearUSBPorts Disabled, Enabled Yes Both

USB Port {X}#

{X} is the number of the rear USB port (total number of ports dependent on model).

For each Rear USB Port:

  1. Enabled. Default, if Enabled is selected in Rear USB Ports.
  2. Disabled
WMI Setting name Values SVP / SMP Req'd AMD/Intel
USBPortX Disabled, Enabled Yes Both

Attention

The WMI setting name in the example above represents the port number. Change the number to that of the desired rear USB port.