Computer Hardware User Manual

I/O interfaces 65
Audio interface
Matrox 4Sight-M supports 16-bit stereo audio input and output along its audio
interface. The interface is only designed for line input/output operations. Because
there is no output amplifier or input preamplifier, it will not support speakers nor
microphones.
Parallel port
Matrox 4Sight-M has an internal connector for a parallel port. To it, you can
connect a printer or another device that integrates a parallel interface. The port
can operate in enhanced parallel port (EPP) mode or extended capabilities port
(ECP) mode. In addition to supporting bi-directional transfer, these modes can
transfer data up to ten times more quickly than the “standard” parallel interface.
You can specify the operations mode using the BIOS Setup program. For more
information, refer to the BIOS reference appendix.
Auxiliary I/O interface
Matrox 4Sight-M can send and receive up to sixteen digital signals (up to 24 V)
to and from external devices through the auxiliary I/O interface. Auxiliary input
signals have interrupt-generation capabilities.
If you do not want the signals to generate interrupts, your application can poll the
auxiliary I/O signals to determine their state.
USB interface
The Universal Serial Bus (USB) is an interface standard, which supports low-speed
peripherals, such as a keyboard or mouse. A single interface can support up to 127
devices. Matrox 4Sight-M is also equipped with a high-speed USB 2.0 interface
running at 480Mbits which supports high-speed peripherals such as an external
hard drive, CD-ROM, or printer.
If you are using Matrox 4Sight-M under Microsoft Windows 2000 or
Windows XP, you can connect other USB devices to the USB connectors.
However if you are using your unit under Microsoft Windows NT, you are limited
to connecting USB keyboards and mice.
If you are using any other operating system, refer to its accompanying
documentation, to determine if USB devices are supported.
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