EMAIL US

USB, is in English the Universal Serial BUS (USB), and the Chinese referred to as "bits, is an external BUS standard, used in standard computer connections and communications with external devices. Is the application in the field of PC interface technology. USB interface support equipment of plug and play and hot plug functions. The USB is at the end of 1994 by Intel, compaq, IBM, Microsoft and other companies combined.

But until recently, it was widely used. USB version has experienced many years of development, now has developed into version 3.0, is now standard extension in a computer interface. Mainly used in the motherboard USB1.1 and USB2.0, each can be a very good compatibility between USB version. USB with a 4 pin (see standard of 8 needle) as a standard plug, plug the Daisy chain form can connect all of the peripherals, up to 127 external devices can be connected, and not loss of bandwidth. USB need to host hardware, operating systems and peripherals support three aspects to work. The motherboard is generally using the chipset of supports USB function, also install a USB socket on the main board, and, except for the back of the socket on the motherboard have a USB pin reserved, can through the attachment received in front of the chassis as the front USB interface for use. And USB interface can be controlled by special USB connect machine line to realize the interconnection of two, and can be extended by the Hub out more interface. USB has the transmission speed (USB1.1 is 12 MBPS, USB2.0 is 480 megabits per second, start is 5 Gbps), easy to use, support hot plug, flexible connection, independent power supply etc, and can connect the mouse, keyboard, printer, scanner, camera, USB flash disk, MP3 players, mobile phones, digital cameras, mobile hard disk, floppy disk, USB external light card, ADSL Modem, Cable Modem, etc., almost all the external devices.

USB interface can be used to connect up to 127 peripherals, such as a mouse, a modem and a keyboard. USB since its launch in 1996, has been successfully replace serial and parallel ports, and became today's personal computer and a lot of smart devices will match one of the interfaces.