SNMP Reference Guide

740 Glossary
directory
Directories help keep related files organized on a disk in a hierarchical, "inverted
tree" structure. Each disk has a "root" directory; for example, a
C:\> prompt
normally indicates that you are at the root directory of hard-drive C. Additional
directories that branch off of the root directory are called
subdirectories .
Subdirectories may contain additional directories branching off of them.
display adapter
See video adapter.
DMA
Abbreviation for direct memory access. A DMA channel allows certain types of
data transfer between RAM and a device to bypass the microprocessor.
DMI
Abbreviation for Desktop Management Interface. DMI enables the management
of your computer system’s software and hardware. DMI collects information
about the system’s components, such as the operating system, memory,
peripherals, expansion cards, and asset tag. Information about the system’s
components is displayed as a MIF file or through the Dell Inspector program.
DMTF
Abbreviation for Distributed Management Task Force, a consortium of
companies representing hardware and software providers, of which Dell is a
member.
dpi
Abbreviation for dots per inch.
DPMS
Abbreviation for Display Power Management Signaling. A standard developed by
the Video Electronics Standards Association (VESA
®
) that defines the hardware
signals sent by a video controller to activate power management states in a
monitor. A monitor is said to be DPMS-compliant when it is designed to enter a
power management state after receiving the appropriate signal from a computer’s
video controller.
DRAC
Abbreviation for Dell Remote Access Card.