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Item
Options
HS Port Switch 1
HS Port Switch 2
HS Port Switch 3
HS Port Switch 4
For each 3.0 Port:
Disabled
Enabled*
XHCI Streams
Disabled
Enabled*
RMH Mode
Disabled
Enabled*
Meaning
These items allow you to choose the type of controller used for each USB 3.0 port: xHCI or EHCI.
By selecting Disabled, the port will always be routed to EHCI.
By selecting Enabled, the port will always be routed to xHCI, unless the XHCI item is set to Disabled.
Unless specific compatibility issues are noted when using older USB devices, leave this item set to Enabled
(default).
Port Switch 4
Port Switch 3
Legend
USB 3.0
USB 2.0
This item allows you to enable or disable xHCI streams.
By selecting Disabled, high speed data transfer will be disabled on the USB 3.0 ports.
By selecting Enabled, high speed data transfer will be enabled on the USB 3.0 ports.
This item reports the state of the USB rate matching hub (RMH). RMH mode allows the computer to decrease
the power consumed during USB data transmission.
This item should not be changed.
❖
Port Switch 2
Port Switch 1
Advanced menu
101
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