Usb Standards - Dell Inspiron 13z Manual

USB Standards

USB 3.0 – Referred to as SuperSpeed USB, USB 3.0 is the latest version of
the USB standard. It supports data transmission speed of up to 4.8 gbps,
which is ten times faster than its predecessor USB 2.0, yet consumes
lesser power. USB 3.0 is backward compatible with earlier USB standards
such as USB 1.x and USB 2.0.
Debug Port – The debug port enables a user to run the USB 3.0 ports
in USB 2.0 mode temporarily for troubleshooting purposes and also in
situations where an OS reinstallation is done using a USB optical or Flash
drive.
USB 2.0 – Referred to as Hi-Speed USB, it provides additional bandwidth
for multimedia and storage applications. USB 2.0 supports data
transmission speed up to forty times faster than USB 1.1.
USB 1.x – Legacy USB standard supporting data transfer speeds up to
11 mbps.
USB PowerShare – The USB PowerShare feature allows you to charge
USB devices when the computer is powered off or is in sleep state.
icon indicates that the USB connector supports PowerShare feature.
NOTE: Certain USB devices may not charge when the computer is
powered off or in sleep state. In such cases, turn on the computer to
charge the device.
NOTE: If you turn off your computer while charging a USB device,
the device stops charging. To continue charging, disconnect the
USB device and connect it again.
NOTE: Charging through the USB PowerShare feature is automatically
disabled when the battery charge reaches 10%. You can configure this
limit using the system setup.
USB 91
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