What is a USB
What are USB and USB2 ? USB or, Universal Serial Bus, is a hardware interface for low-speed peripherals such as the keyboard, mouse, joystick, scanner, printer and telephony devices. ... USB has a maximum bandwidth of 12 Mbits/sec (equivalent to 1. ... USB ports began to appear on PCs in 1997, and Windows 98 fully supports it. USB 2. ... The USB bus distributes 0. ... Hubs may derive all power from the USB bus (bus powered), or they may be powered from their own AC adapter. ... USB ports on the PC and hubs use a rectangular Type A socket. ... 0 is a faster version of the original USB port, which allows external peripherals, such as printers, cameras, and scanners to be attached to a computer. USB 2.0 speeds up USB performance as much as forty times the speed of the original USB connection (12 Mbps) to reach speeds of 480 Mbps (megabits per second). ... While it was developed, many thought it was actually too fast, and some lower speed interconnect like USB would be cheaper to implement. ... IEEE 1394 is like USB (Universal Serial Bus) in that it supports the addition of multiple peripherals to one port, it supports plug-and-play, provides power to the peripheral devices, and allows devices to be hot-swapped (added and/or removed without rebooting the computer). ... USB 2. ... (As shown below) Side by Side comparison: USB 2. ... USB controller is required to control the bus and data transfer. ... Full compatibility with USB 1. ... Youll also need a USB card. Installing a USB port to a motherboard: Many motherboards that support USB were installed in many PCs without the cables and adapters to give you a rear USB port. ... Generally the USB "connector" on the motherboard is two rows of five or one long row of ten "headers", or long thin spikes that stick up from the board. ... Sometimes its a header with a combination of USB, PS/2 and IR ports all on one bracketed subassembly. ... After that, when you plug in a new USB device you should be prompted for the devices driver, or to insert the OS disk.