Kontron COMe-bIP6 - Manual (Page 117)

COMe-bIP6 / BIOS Operation
USB Configuration
Feature Options Description
xHCI Pre-Boot Driver Enabled
Disabled Enable or disable xHCI Pre-Boot Driver support. When
Enabled, the xHCI protocol is established already from
the beginning of POST (PEI). When Disabled, the xHCI
protocol is not used by BIOS, only by OS if supported by
its drivers
xHCI Mode Auto
Enabled
Disabled
Enables or Disables XHCI for COMe USB 0-3. When
disabled, xHCI ctonroller is turned off and hidden from
PCI space. There is no USB 3.0 in POST or OS. When
enabled, the xHCI controller is always on (POST and
OS). On 'Auto' there is no POST support. OS Support
only with Ports routed using ACPI protocol.
Port #1 HS Switch
Port #2 HS Switch
Port #3 HS Switch
Port #4 HS Switch
Disabled
Enabled Allows for HighSpeed port switching between xHCI and
EHCI. If disabled, the port is routed to EHCI. Otherwise
the corresponding SuperSpeed port is enabled
xHCI Streams Disabled
Enabled Enable or disable xHCI Maximum Primary Stream Array
Size
EHCI1 Enabled
Disabled
Enables or Disables EHCI1 for COMe USB 0-3. xHCI must
be disabled separately. One EHCI controller must always
be enabled
EHCI2 Enabled
Disabled
Enables or Disables EHCI2 for COMe USB 4-7. One EHCI
controller must always be enabled
USB Per-Port Control Disabled
Enabled
Control each of the USB ports (0-13) disabling
USB Port #0 Disable
USB Port #1 Disable
USB Port #2 Disable
USB Port #3 Disable
USB Port #4 Disable
USB Port #5 Disable
USB Port #6 Disable
USB Port #7 Disable
Disabled
Enabled Disable USB port
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