Dell PowerEdge R805 Hardware Owner's Manual (PDF) - Page 185

memory module, memory, mirroring, NVRAM, parity, systems, integrated hardware

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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). 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. Glossary 185

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Glossary
185
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).
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.