90 USB5.1 Audio5.1 refers to the number of audio channels in most surround-soundconfigurations. A 5.1 audio system uses five main audio channels (frontleft, front right, center, left surround, and right surround) and one low-frequency audio channel.7.1 Audio7.1 refers to the number of audio channels in high-end surround-soundconfigurations. A 7.1 audio system uses two additional speakers (rear leftand rear right) in combination with the 5.1 audio system.NOTE: 5.1 or 7.1 audio may not be supported on all computers.NOTE: On computers with a discrete sound card, connect thespeakers to the connectors on the card.USBUniversal Serial Bus (USB) is a standard to establish communicationbetween a computer and different devices. USB allows high speedconnection of peripherals to a computer. Using USB, you can connectdevices like mice, keyboards, printers, external drives, digital cameras,mobile phones, and so on. USB also supports Plug-and-Play installationand hot swapping.Plug-and-Play allows your computer to recognize that a device isplugged in without restarting your computer.Hot swapping allows you to remove and connect different USB deviceswithout restarting your computer.USB ConnectorsMini-USB – A mini-USB connector is a small cable connector which isused in electronic devices primarily used for data connectivity. Devicessuch as cameras, MP3 players, mobile phones, and so on use Mini USBconnector.Micro-USB – A micro-USB connector is smaller than mini-USB connectorand allows you to communicate directly amongst the devices without aneed for a computer.
