USB

With USB, a new device can be added to your computer without having to add an adapter card or even having to turn the computer off. The USB specification provides a 5 V supply on a single wire from which connected USB devices may draw power. USB supports three data rates.

1. A Low Speed rate of 1.5 Mbit/s that is mostly used for keyboards, mouse, and joysticks.
2. A Full Speed rate of 12 Mbit/s. All USB Hubs support Full Speed.This speed will accommodate a wide range of devices, including MPEG video devices, data gloves, and digitizers.
3. A Hi-Speed rate of 480 Mbit/s.Though Hi-Speed devices are commonly referred to as "USB 2.0", not all USB 2.0 devices are Hi-Speed.

The USB-IF certifies devices and provides licenses to use special marketing logos for either "Basic-Speed" (low and full) or High-Speed. All devices are tested according to the latest spec, so recently-compliant Low Speed devices are also 2.0.

Use Test My Hardware to test Your USB Ports
Test My Hardware collects and displays system configuration information for your computers. This includes information about system configurations, computer components, and operating system. When support technicians troubleshoot your system configuration, they require specific information about your computer. You can use Test My Hardware information to quickly find the information that these technicians need to resolve a system problem..

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::Test My Hardware 2.3 released  Test My Hardware version 2.3 has been released, to download the software for FREE, please click here!  (July 2, 2007).

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