User Manual

MSP 311 User Manual
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circuit cards. Up to 127 external computer devices may be added through a USB
hub, which may be conveniently located in a keyboard or monitor. USB devices can
be attached or detached without removing computer power. The number of devices
being designed for USB continues to grow, from keyboards, mice, and printers to
scanners, digital cameras, and ZIP drives.
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“VESA”: Video Electronics Standards Association. A nonprofit number organization
dedicated to facilitating and promoting personal computer graphics through
improved standards for the benefit of the end-user. www.vesa.org
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“VGA”: Video Graphics Array. Introduced by IBM in 1987, VGA is an analog signal
with TTL level separate horizontal and vertical sync. The video outputs to a 15-pin
HD connector and has a horizontal scan frequency of 31.5 kHz and vertical
frequency of 70 Hz (Mode 1, 2) and 60 Hz (Mode 3). The signal is non-interlaced in
modes 1, 2, and 3 and interlaced when using the 8514/A card (35.5 kHz, 86 Hz) in
mode 4. It has a pixel by line resolution of 640×480 with a color palette of 16 bits and
256,000 colors.
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“YCrCb”: Used to describe the color space for interlaced component video.
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“YPbPr”: Used to describe the color space for progressive-scan (non-interlaced)
component video.