184
Glossary
CPU
— Central processing unit. See
processor
.
DC
— Direct current.
DDR
— Double-data rate. A technology in memory modules that potentially doubles
the data rate by transferring data on both the rising and falling pulses of a clock cycle.
device driver
— A program that allows the operating system or some other program to
interface correctly with a peripheral.
DHCP
— Dynamic Host Configuration Protocol. A method of automatically
assigning an IP address to a client system.
diagnostics
— A comprehensive set of tests for your system.
DIMM
— Dual in-line memory module. See also
memory module
.
DNS
— Domain Name System. A method of translating Internet domain names, such
as
www.example.com
, into IP addresses, such as 208.77.188.166.
DRAM
— Dynamic random-access memory. A system’s RAM is usually made up
entirely of DRAM chips.
driver
— See
device driver
.
DVD
— Digital versatile disc or digital video disc.
ECC
— Error checking and correction.
EMI
— Electromagnetic interference.
ESD
— Electrostatic discharge.
ESM
— Embedded server management. See
iDRAC
.
expansion bus
— Your system contains an expansion bus that allows the processor to
communicate with controllers for peripherals, such as NICs.
expansion card
— An add-in card, such as a NIC or SCSI adapter, that plugs into an
expansion-card connector on the system board. An expansion card adds some
specialized function to the system by providing an interface between the expansion
bus and a peripheral.
expansion-card connector
— A connector on the system board or riser board for
plugging in an expansion card.
F
— Fahrenheit.
FAT
— File allocation table. The file system structure used by MS-DOS to organize
and keep track of file storage. The Microsoft
®
Windows
®
operating systems can
optionally use a FAT file system structure.
Fibre Channel
— A high-speed network interface used primarily with networked
storage devices.
flash memory
— A type of electronic chip that can be programmed and
Summary of Contents for PowerVault NX3000
Page 1: ...Dell PowerVault NX3000 Systems Hardware Owner s Manual ...
Page 180: ...180 Jumpers and Connectors ...
Page 182: ...182 Getting Help ...
Page 192: ...192 Glossary ...
Page 200: ...200 Index ...