Glossary
177
M
A
H
—
Milliampere-hour(s).
M
B
—
Megabit(s); 1,048,576 bits.
MB —
Megabyte(s); 1,048,576 bytes. However, when referring to hard-drive capacity,
the term is often rounded to mean 1,000,000 bytes.
M
B PS
—
Megabits per second.
MB
P S
—
Megabytes per second.
MBR —
Master boot record.
M EM O R Y
A D D R E S S
—
A specific location, usually expressed as a hexadecimal
number, in the system’s RAM.
M EM O R Y
M O D U L E
—
A small circuit board containing DRAM chips that connects to
the system board.
M EM O R Y
—
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).
MH
Z
—
Megahertz.
M I RR O R I N G
—
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.
M M
—
Millimeter(s).
M O T H E RB O A R D
—
See system board.
M S
—
Millisecond(s).
MS-DOS® —
Microsoft Disk Operating System.
MT/
S
—
Million transfers per second.
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.
N S
—
Nanosecond(s).
NTFS —
The NT File System option in the Windows 2000 operating system.
Summary of Contents for PowerEdge R900
Page 1: ...Dell PowerEdge R900 Systems Hardware Owner s Manual ...
Page 10: ...10 Contents Glossary 171 ...
Page 40: ...40 About Your System ...
Page 56: ...56 Using the System Setup Program ...
Page 126: ...126 Installing System Components ...
Page 164: ...164 Jumpers and Connectors ...
Page 190: ...190 Index ...