USB host controller
The USB host controller actions verify information about the USB host controller.
Prerequisites for performing actions on the USB host controller
The host controller device driver must be installed prior to performing these
actions.
Actions
Use the following actions to diagnose the USB host controller:
- View Status of Ports
This action checks each port that is connected to the host controller to determine
if the port is functioning and is valid. A passing condition is returned if
all ports are functioning properly.
- View Port Tree
This action provides a description of the USB tree and a brief description
of the devices that are connected on the tree. This informational action explores
the USB tree through the driver stack and records a description of each device
connected to the tree.
- View Device Information
This action returns detailed information about each device on the USB tree
that is connected to the USB host controller on which the action is being
performed. The information that is returned includes the class of the device,
the name of the vendor, the name of the device, and the revision levels of
the device.
Results
The Results field displays the results of the action and provides detailed
information for resolving the problem. You might need to use the documentation
that comes with your server or USB host controller for details about correcting
a failed device.
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