ADLINK aTCA-9300 - Manual (Page 57)

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6.3.3 USB Configuration
You can use this screen to select options for the USB Configuration Settings. Use
the up and down < Arrow > keys to select an item. Use the < + > and < - > keys to
change the value of the selected option. A description of the selected item appears
on the right side of the screen. The settings are described on the following pages.
An example of the USB Configuration screen is shown below.
Legacy USB Support
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. Set this value to Enable/Disable/Auto.
EHCI Hand-off
This is a workaround for OS without EHCI hand-off support. The EHCI ownership
change should be claimed by EHCI driver. Set this value to Enable/Disable.
6.3.4 H/W Monitor from IPMC
You can use this screen to check PC health status. The information had described on the
below pages.

CPU Temperature
Display current CPU temperature.
PCH Temperature
Display current PCH temperature.
1.5V , 5.0V, 3.3V, 12V
Display current system voltages.