Usb Configuration - Lenovo ThinkSystem HR350A User Manual And Hardware Maintenance Manual

3.4.11 USB Configuration

This screen displays the detected USB devices installed on the system.
Below table explains fields from this USB configuration setting:
Setting
USB Controllers
USB Devices
XHCI HanD-off
USB Mass Storage Driver Support Enable/Disable USB Mass Storage Driver Support.
USB transfer time-out
Device reset time-out
Device power-up Delay
Mass Storage Devices
Description
Number of USB controllers installed in the system.
Displays list of category USB devices detected in the system.
This is a workaround for OSes without XHCI hand-off support. The XHCI ownership change
should be claimed by XHCI driver.
Default value: 'Enabled'.
The time-out value for Control, Bulk, and Interrupt transfers.
USB mass storage device Start Unit Command time-out.
Maximum time the device will take before it properly reports itself to the Host Controller.
'Auto' uses default value: for a Root port it is 100 ms, for a Hub port the delay is taken form
Hub description.
Displays list of mass storage devices detected in the system.
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