Dell PowerVault 770N (Deskside NAS Appliance) User Manual
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printer. Some device drivers—such as network drivers—must be loaded from the config.sys file (with a device= statement) or
as memory-resident programs (usually, from the autoexec.bat file). Others—such as video drivers—must load when you start
the program for which they were designed.
diagnostics
A comprehensive set of tests for your system. See your Installation and Troubleshooting Guide for more information about
using diagnostics.
DIMM
Acronym for dual in-line memory module. A small circuit board containing DRAM chips that connects to the system board.
DIN
Acronym for Deutsche Industrie Norm.
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 the root directory are called subdirectories. Subdirectories may contain additional directories
branching off them.
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 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.
DRAM
Abbreviation for dynamic random-access memory. A system's RAM is usually made up entirely of DRAM chips. Because DRAM
chips cannot store an electrical charge indefinitely, your system continually refreshes each DRAM microprocessor in the
system.
DVD
Abbreviation for digital versatile disk.
ECC
Abbreviation for error checking and correction.
EEPROM
Acronym for electrically erasable programmable read-only memory.
EISA
Acronym for Extended Industry-Standard Architecture, a 32-bit expansion-bus design. The expansion-card connectors in an