Dell External OEMR 2850, User Manual

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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.
DKS
Abbreviation for dynamic kernel support.
DMA
Abbreviation for direct memory access. A DMA channel allows certain types of
data transfer between RAM and a device to bypass the microprocessor.
DRAC 4
Acronym for Dell ™ OpenManage™ Remote Access Controller, version 4.
DRAM
Acronym 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 chip in the system.
EEPROM
Acronym for electrically erasable programmable read-only memory.
EIDE
Abbreviation for enhanced integrated drive electronics. EIDE devices add one or
more of the following enhancements to the traditional IDE standard:
• Data transfer rates of up to 16 MB/sec
• Support for drives other than just hard drives, such as CD and tape drives
• Support for hard drives with capacities greater than 528 MB
• Support for up to two controllers, each with up to two devices attached
EMM
Abbreviation for expanded memory manager. A utility that uses extended
memory to emulate expanded memory on systems with an Intel386™ or higher
microprocessor.
EMS
Abbreviation for Expanded Memory Specification.