CHAINTECH CT-6AIA2 Manual page 21

Chapter 2
USB(Universal Serial Bus) Ports
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If you want to use a USB keyboard, you must enable the
USB keyboard support function in BIOS's Integrated
Peripherals menu (See Section 3-8). USB is an open
industry standard, providing a simple and inexpensive way
to connect up to 125 devices to a single computer port.
Keyboards, mice, tablets, digitizers, scanners, bar-code
readers, modems, printers and many more can all be used
F L O P P Y 1
at the same time.
USB is a dynamically reconfigurable serial bus with an
elementary data rate of 12Mbps. Based on off the shelf,
low cost micro-controller technology, its modular layered
software protocol supports sophisticated devices and
application programs.
This board contains a USB Host controller and includes
a root hub with two USB ports (meets USB Rev 1.0 spec.).
Two USB peripherals or hub devices are able to be
connected.
Compatibility with different USB peripherals is still
being tested.