5 usb – ADLINK cExpress-HL User Manual
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Page 56
cExpress-HL
Feature
Options
Description
SATA Device Type
Hard Disk Drive
Sold State Drive
Identify the SATA port is connected to Solid State Drive or Hard
Disk Drive.
Spin up Device
Disabled
Enabled
On an edge detect from 0 to 1, the PCH starts a COMRESET
initialization sequence to the device.
7.3.5
USB
Feature
Options
Description
USB Info
only
USB Module Version Info
only
USB Devices
Info only
Drives, keyboards, mouse, hubs
Legacy USB Support
Enabled
Disabled
Auto
Enables legacy USB support.
Auto option disables legacy support if no USB devices are
connected.
Disable option will keep USB devices available only for EFI
applications and setup.
USB3.0 Support
Enabled
Disabled
Enable / Disable USB3.0 (XHCI) Controller Support.
XHCI Hand-off
Enabled
Disabled
This is a workaround for OSes without XHCI hand-off support.
The XHCI ownership change should be claimed by the XHCI
OS driver.
EHCI Hand-off
Enabled
Disabled
This is a workaround for OSes without EHCI hand-off support.
The EHCI ownership change should be claimed by the EHCI
OS driver.
USB Mass Storage Driver Support
Enabled
Disabled
Enable/Disable USB mass storage driver support.
PCH USB Configuration
Submenu
USB hardware delays and time-outs:
Info only
USB transfer time-out
1 sec
5 sec
10 sec
20 sec
The time-out value for control, bulk, and interrupt transfers
Device reset time-out
10 sec
20 sec
30 sec
40 sec
USB mass storage device Start Unit command time-out.
Device power-up delay
Auto
Manual
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 from Hub
descriptor.
Mass Storage Devices
Info only
List current USB mass storage devices.