Dell Inspiron 15R 5521 Me and My Dell - Page 91
USB Standards, USB 3.0, Debug Port, USB PowerShare - case
View all Dell Inspiron 15R 5521 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 91 highlights
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