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Dell PowerEdge T605 User Manual

Page 215

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Glossary

215

ms — Millisecond(s).

MS-DOS

®

— Microsoft Disk Operating System.

NAS — Network Attached Storage. NAS is one of the concepts used for
implementing shared storage on a network. NAS systems have their own operating
systems, integrated hardware, and software that are optimized to serve specific
storage needs.

NIC — Network interface controller. A 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.

ns — Nanosecond(s).

NTFS — The NT File System option in the Windows 2000 operating system.

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.

peripheral — An internal or external device, such as a diskette drive or keyboard,
connected to a system.

PGA — Pin grid array. A type of processor socket that allows you to remove the
processor chip.