Dell PowerEdge 750 User Manual

Page 29

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A specific location, usually expressed as a hexadecimal number, in the system's RAM

 

memory module

 

A small circuit board containing DRAM chips that connects to the system board

 

memory

 

An area in your system that stores basic system data. A system can contain several different forms of memory, such as integrated memory (ROM and RAM)

and add-in memory modules (DIMMs).

 

MHz

 

Megahertz

 

mirroring

 

A type of data redundancy in which a set of physical drives stores data and one or more sets of additional drives stores duplicate copies of the data.

Mirroring functionality is provided by software. See also guarding, integrated mirroring, striping, and RAID.

 

mm

 

Millimeter(s)

 

ms

 

Millisecond(s)

 

MS-DOS

 

Microsoft Disk Operating System

 

NIC

 

Network interface controller; device that is installed or integrated in a system to allow connection to a network

 

NMI

 

Nonmaskable interrupt. A device sends an NMI to signal the processor about hardware errors.

 

NVRAM

 

Nonvolatile random-access memory. Memory that does not lose its contents when you turn off your system. NVRAM is used for maintaining the date, time,

and system configuration information.

 

parity

 

Redundant information that is associated with a block of data

 

partition

 

You can divide a hard drive into multiple physical sections called partitions with the fdisk command. Each partition can contain multiple logical drives. You

must format each logical drive with the format command.

 

PCI

 

Peripheral Component Interconnect; a standard for local-bus implementation

 

PDU

 

Power distribution unit; a power source with multiple power outlets that provides electrical power to servers and storage systems in a rack

 

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