Matrox Corona Installation And Hardware Reference page 96

96 Appendix C: Glossary
RGB
A color space that represents color using the primary colors
(red, green and blue) as components.
Single-screen mode
A display configuration using a single monitor to display both
the Host operating system's user interface and images from
the Matrox Corona display memory.
Synchronous function
A function that does not return control to the caller until it
has finished executing.
See also asynchronous function.
Vertical sync
The part of a video signal that indicates the end of a frame
and the start of a new one.
See also horizontal sync.
VIA
Video Interface ASIC. A custom ASIC that connects all the
data buses on the board (the grab, VMChannel, and PCI bus)
to one another, and directs and monitors data flow "traffic".
It is a video interface that provides various ways of inputting
and outputting data.
VMChannel
Vesa Media Channel. An industry standard 32-bit bus
designed for carrying video data. On Matrox Corona, it is
used primarily to share data with other Matrox imaging
boards.
Vpp
Voltage peak to peak. The signal amplitude measured
between the maximum positive and negative voltage peak
excursions of a signal.