Dell PowerEdge R805 Hardware Owner's Manual (PDF) - Page 182

Internet Protocol., group, guarding, headless system, host adapter, integrated mirroring

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group - As it relates to DMI, a group is a data structure that defines common information, or attributes, about a manageable component. guarding - A type of data redundancy in which a set of physical drives stores data and an additional drive stores parity data. See also mirroring, striping, and RAID. h - Hexadecimal. A base-16 numbering system, often used in programming to identify addresses in the system's RAM and I/O memory addresses for devices. In text, hexadecimal numbers are often followed by h. headless system - A system or device that functions without having a keyboard, mouse, or monitor attached. Normally, headless systems are managed over a network using an Internet browser. host adapter - A host adapter implements communication between the system's bus and the controller for a peripheral device. (Hard-drive controller subsystems include integrated host adapter circuitry.) To add a SCSI expansion bus to your system, you must install or connect the appropriate host adapter. Hz - Hertz. I/O - Input/output. A keyboard is an input device, and a monitor is an output device. In general, I/O activity can be differentiated from computational activity. ID - Identification. IDE - Integrated drive electronics. A standard interface between the system board and storage devices. integrated mirroring - Provides simultaneous physical mirroring of two drives. Integrated mirroring functionality is provided by the system's hardware. See also mirroring. internal processor cache - An instruction and data cache built into the processor. IP - Internet Protocol. IPX - Internet package exchange. 182 Glossary

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182
Glossary
group
— As it relates to DMI, a group is a data structure that defines common
information, or attributes, about a manageable component.
guarding
— A type of data redundancy in which a set of physical drives stores data
and an additional drive stores parity data. See also
mirroring
,
striping
, and
RAID
.
h
— Hexadecimal. A base-16 numbering system, often used in programming to
identify addresses in the system’s RAM and I/O memory addresses for devices. In
text, hexadecimal numbers are often followed by
h
.
headless system
— A system or device that functions without having a keyboard,
mouse, or monitor attached. Normally, headless systems are managed over a network
using an Internet browser.
host adapter
— A host adapter implements communication between the system’s
bus and the controller for a peripheral device. (Hard-drive controller subsystems
include integrated host adapter circuitry.) To add a SCSI expansion bus to your
system, you must install or connect the appropriate host adapter.
Hz
— Hertz.
I/O
— Input/output. A keyboard is an input device, and a monitor is an output
device. In general, I/O activity can be differentiated from computational activity.
ID
— Identification.
IDE
— Integrated drive electronics. A standard interface between the system board
and storage devices.
integrated mirroring
— Provides simultaneous physical mirroring of two drives.
Integrated mirroring functionality is provided by the system’s hardware. See also
mirroring
.
internal processor cache
— An instruction and data cache built into the processor.
IP
— Internet Protocol.
IPX
— Internet package exchange.