Glossary-13
system board
The main printed circuit board inside the system unit into
which other boards and major chip components, such as the
system microprocessor, are connected.
swap
Replacing one device with another device. See warm swap.
T
TFT
Thin Film Transistor. A type of Versa LCD color screen
that supports 256 colors and provides exceptional screen
display.
U
Universal Serial Bus
A new external bus standard that supports data transfer
rates of 12 Mbps (12 million bits per second). A single
USB port allows you to connect up to 127 peripheral de-
vices such as mice, modems, and keyboards. USB also sup-
ports Plug-and-Play installation and hot plugging. USB will
eventually replace serial and parallel ports.
V
VGA
Video Graphics Array. Graphics technology that supports
up to 256 K colors and a graphics resolution of 640 by 480
pixels.
volatile memory
Storage media that loses its data when system power is
turned off. Standard memory and memory that you add to
the Versa are volatile memory. See nonvolatile memory.