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Dell PowerEdge R910 User Manual

Dell PowerEdge R910
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Dell™ Glossary
NOTE: For additional information on storage terminology, visit the Storage
Networking Industry Association's website at www.snia.org and click on the
dictionary.
A — Ampere(s).
AC — Alternating current.
ACPI — Advanced Configuration and Power Interface. A standard interface for
enabling the operating system to direct configuration and power management.
ambient temperature — The temperature of the area or room where the system is
located.
ANSI — American National Standards Institute. The primary organization for
developing technology standards in the U.S.
asset tag — An individual code assigned to a system, usually by an administrator, for
security or tracking purposes.
backup — A copy of a program or data file. As a precaution, back up your system’s
hard drive(s) on a regular basis.
blade — A module that contains a processor, memory, and a hard drive. The modules
are mounted into a chassis that includes power supplies and fans.
BMC — Baseboard management controller.
bootable media — A CD, diskette, or USB memory key that is used to start your
system if the system will not boot from the hard drive.
BTU — British thermal unit.
bus — An information pathway between the components of a system. Your system
contains an expansion bus that allows the processor to communicate with controllers
for the peripheral devices connected to the system. Your system also contains an
address bus and a data bus for communications between the processor and RAM.
C — Celsius.
cache — A fast storage area that keeps a copy of data or instructions for quick data
retrieval.
CA — Certificate authority.
CIM — Common Information Model describes the management information utilized
by the DMTF. It provides mapping techniques for interchange of CIM data with MIB
data from SNMP agents.
cm — Centimeter(s).

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Dell PowerEdge R910 Specifications

General IconGeneral
ProcessorUp to four Intel Xeon 7500 series processors
Form Factor4U Rack Server
StorageUp to 16 x 2.5" SAS, SATA, or SSD drives
RAID ControllerPERC H700, PERC H800
NetworkEmbedded Broadcom 5709c Gigabit Ethernet
Power SupplyRedundant 1100W power supplies
Expansion Slots10 PCIe slots
Operating System SupportMicrosoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware
MemoryUp to 1TB DDR3 (64 DIMM slots)

Summary

Glossary Terms Starting with A

Ampere(s)

Unit of electric current.

AC

Alternating current.

ACPI

Advanced Configuration and Power Interface. Standard for OS to manage configuration and power.

ambient temperature

The temperature of the area or room where the system is located.

ANSI

American National Standards Institute. Develops technology standards in the U.S.

asset tag

Individual code assigned to a system for security or tracking purposes.

backup

A copy of a program or data file. Back up system's hard drive(s) regularly.

blade

Module with processor, memory, and hard drive, mounted in a chassis.

BMC

Baseboard management controller.

bootable media

CD, diskette, or USB key to start system if hard drive fails.

BTU

British thermal unit.

bus

Information pathway between system components like processor and peripherals.

Glossary Terms Starting with C

Celsius

Celsius.

cache

Fast storage area for quick data retrieval.

CA

Certificate authority.

CIM

Common Information Model. Describes management information utilized by DMTF.

cm

Centimeter(s).

Glossary Terms Starting with D

DDR

Double-data rate. Memory technology that doubles data rate.

device driver

Program allowing OS to interface correctly with a peripheral.

DHCP

Dynamic Host Configuration Protocol. Assigns IP addresses to client systems.

DIMM

Dual in-line memory module.

DNS

Domain Name System. Translates domain names into IP addresses.

DRAM

Dynamic random-access memory. Usually makes up system's RAM.

DVD

Digital versatile disc or digital video disc.

ERA

Embedded remote access. For remote server management.

expansion bus

Bus allowing processor to communicate with peripheral controllers.

expansion card

Add-in card providing specialized function via expansion-card connector.

Glossary Terms Starting with F

FAT

File allocation table. MS-DOS file system structure.

Fibre Channel

High-speed network interface for networked storage devices.

flash memory

Electronic chip programmed/reprogrammed using software utility.

FSB

Front-side bus. Interface between processor and main memory (RAM).

FTP

File transfer protocol.

GB

Gigabyte(s); 1024 megabytes or 1,073,741,824 bytes.

graphics mode

Video mode defined by horizontal, vertical pixels, and colors.

host adapter

Controller implementing communication between system bus and peripheral.

hot-plug

Ability to insert/install devices while system is powered on.

I/O

Input/output. Differentiates from computational activity.

IDE

Integrated drive electronics. Interface between system board and storage devices.

iDRAC

Integrated Dell Remote Access Controller. Uses Internet SCSI protocol.

InfiniBand

Offers point-to-point bidirectional serial links for high-speed peripherals.

IP

Internet Protocol.

Glossary Terms Starting with I

IRQ

Interrupt request. Signal for data transfer between peripheral and processor.

iSCSI

Internet SCSI. Protocol for SCSI device communication across networks.

jumper

Blocks on circuit board with pins, used to change circuitry.

KB

Kilobyte(s); 1024 bytes.

Kbps

Kilobit(s) per second.

KBps

Kilobyte(s) per second.

kHz

Kilohertz.

KVM

Keyboard/video/mouse. Switch for selecting system display/control.

LAN

Local area network. Confined to a building or nearby buildings.

LCD

Liquid crystal display.

LED

Light-emitting diode. Electronic device that lights up when current passes.

LGA

Land grid array.

local bus

Bus allowing peripheral devices to run faster than traditional expansion bus.

LOM

LAN on motherboard.

Glossary Terms Starting with L

MAC address

Media Access Control address. Unique hardware number on a network.

managed system

System monitored and managed using Dell OpenManage Server Administrator.

management station

System used to remotely manage one or more systems.

MB

Megabyte(s); 1,048,576 bytes.

Mbps

Megabits per second.

MBR

Master boot record.

memory address

Specific location in system's RAM, usually hexadecimal.

memory module

Circuit board with DRAM chips connecting to the system board.

memory

Area storing basic system data, includes ROM and RAM.

memory key

Portable flash memory storage device integrated with a USB connector.

MHz

Megahertz.

mirroring

Data redundancy by storing duplicate copies of data.

MOF

Managed object format. ASCII file with CIM schema definition.

NAS

Network Attached Storage. For implementing shared storage on a network.

NIC

Network interface controller. Device for system network connection.

Glossary Terms Starting with N

NMI

Nonmaskable interrupt. Signals processor about hardware errors.

NVRAM

Nonvolatile random-access memory. Retains contents when system is off.

OID

Object identifier. Integer or pointer that uniquely identifies an object.

parity

Redundant information associated with a block of data.

parity stripe

Striped hard drive containing parity data in RAID arrays.

partition

Physical section of a hard drive, can contain multiple logical drives.

PCI

Peripheral Component Interconnect. Standard for local-bus implementation.

PDU

Power distribution unit. Power source with multiple outlets for servers.

PERC

PowerEdge RAID controller.

peripheral

Internal or external device connected to a system.

pixel

Single point on a video display, arranged in rows and columns.

POST

Power-on self-test. Tests system components before OS loads.

processor

Primary computational chip controlling arithmetic and logic functions.

PXE

Preboot eXecution Environment. Boots system via LAN.

Glossary Terms Starting with R

RAID

Redundant array of independent disks. Provides data redundancy.

RAM

Random-access memory. Temporary storage for program instructions and data.

R-DIMM

A registered DDR3 memory module.

readme file

Text file with information supplementing product documentation.

read-only file

A file that you are prohibited from editing or deleting.

ROM

Read-only memory. Contains essential programs for system operation.

ROMB

RAID on motherboard.

SAN

Storage Area Network. Enables remote storage devices to appear local.

SAS

Serial-attached SCSI.

SATA

Serial Advanced Technology Attachment. Interface for storage devices.

SCSI

Small computer system interface. Faster I/O bus interface.

SD card

Secure digital flash memory card.

SDRAM

Synchronous dynamic random-access memory.

SEL

System event log.

serial port

Legacy I/O port with 9-pin connector for serial data transfer.

service tag

Barcode label on system used to identify it for technical support.

SMART

Self-Monitoring Analysis and Reporting Technology. For hard drive error reporting.

Glossary Terms Starting with S

SMP

Symmetric multiprocessing. System with multiple processors.

SNMP

Simple Network Management Protocol. For remote network management.

striping

Writes data across multiple disks in an array.

SVGA

Super video graphics array. Video standard with higher resolution.

system board

Main circuit board containing integral system components.

system configuration information

Data stored in memory detailing hardware and configuration.

System Setup program

BIOS-based program to configure system hardware and operation.

TCP/IP

Transmission Control Protocol/Internet Protocol.

termination

Devices that must be terminated to prevent reflections in cables.

TOE

TCP/IP offload engine.

U-DIMM

An unregistered (unbuffered) DDR3 memory module.

uplink port

Port on a network hub/switch to connect to other hubs/switches.

UPS

Uninterruptible power supply. Battery-powered unit for power failures.

USB

Universal Serial Bus. Provides a single connection point for multiple devices.

Glossary Terms Starting with V

utility

Program used to manage system resources like memory or disk drives.

VGA

Video graphics array. Video standard with greater resolution.

video adapter

Logical circuitry providing system's video capabilities.

video memory

Memory chips in video adapters influencing number of colors displayed.

video resolution

Expressed as pixels across by pixels up and down.

virtualization

Ability to share single computer resources across multiple environments.

WMI

Windows Management Instrumentation. Provides CIM Object Manager services.

ZIF

Zero insertion force.

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