Dell Precision 410 User Manual page 227

program and leave the TSR program resi-
dent in memory for later use.
TSR programs can sometimes cause
memory conflicts. When troubleshooting,
rule out the possibility of such a conflict
by rebooting your computer without start-
ing any TSR programs.
Abbreviation for Underwriters
Laboratories.
Abbreviation for upper memory blocks.
The 384 KB of RAM located between
640 KB and 1 MB. If the computer has an
Intel386 or higher microprocessor, a utility
called a memory manager can create
UMBs in the upper memory area, in which
you can load device drivers and memory-
resident programs.
Abbreviation for uninterruptible power
supply. A battery-powered unit that auto-
matically supplies power to your
computer in the event of an electrical
failure.
Abbreviation for Universal Serial Bus. A
USB connector provides a single connec-
tion point for multiple USB-compliant
devices, such as mice, keyboards, print-
ers, and computer speakers. USB devices
can also be connected and disconnected
while the system is running.
A program used to manage system re-
sources—memory, disk drives, or
printers, for example.
Abbreviation for unshielded twisted pair.
Abbreviation for volt(s).
Abbreviation for volt(s) alternating
current.
Abbreviation for Voluntary Control Council
for Interference.
Abbreviation for video cassette recorder.
Abbreviation for volt(s) direct current.
Acronym for Video Electronics Standards
Association.
Abbreviation for video graphics array. VGA
and SVGA are video standards for video
adapters with greater resolution and color
display capabilities than previous
standards.
To display a program at a specific resolu-
tion, you must install the appropriate
video drivers and your monitor must sup-
port the resolution. Similarly, the number
of colors that a program can display de-
pends on the capabilities of the monitor,
the video driver, and the amount of video
memory installed for the video adapter.
On some systems with a built-in VGA
video adapter, a VGA feature connector
allows you to add an enhancement adapt-
er, such as a video accelerator, to your
computer. A VGA feature connector can
also be called a VGA pass-through
connector .
The logical circuitry that provides—in
combination with the monitor—your com-
puter's video capabilities. A video adapter
may support more or fewer features than
a specific monitor offers. Typically, a video
adapter comes with video drivers for dis-
playing popular application programs and
Glossary 15