DELL powervault e03j001 User Manual
Glossary
59
Glossary
A — Ampere(s).
AC — Alternating current.
ACPI — Advanced Configuration and Power Interface. A standard interface for
enabling the operating system to direct configuration and power management.
enabling the operating system to direct configuration and power management.
ambient temperature — The temperature of the area or room where the system is
located.
located.
ANSI — American National Standards Institute. The primary organization for
developing technology standards in the U.S.
developing technology standards in the U.S.
asset tag — An individual code assigned to a system, usually by an administrator, for
security or tracking purposes.
security or tracking purposes.
backup — A copy of a program or data file. As a precaution, back up your system’s
hard drive(s) on a regular basis.
hard drive(s) on a regular basis.
blade — A module that contains a processor, memory, and a hard drive. The modules
are mounted into a chassis that includes power supplies and fans.
are mounted into a chassis that includes power supplies and fans.
BMC — Baseboard management controller.
bootable media — A CD, diskette, or USB memory key that is used to start your
system if the system does not boot from the hard drive.
system if the system does not boot from the hard drive.
BTU — British thermal unit.
bus — An information pathway between the components of a system. Your system
contains an expansion bus that allows the processor to communicate with controllers
for the peripheral devices connected to the system. Your system also contains an
address bus and a data bus for communications between the processor and RAM.
contains an expansion bus that allows the processor to communicate with controllers
for the peripheral devices connected to the system. Your system also contains an
address bus and a data bus for communications between the processor and RAM.
C — Celsius.
cache — A fast storage area that keeps a copy of data or instructions for quick data
retrieval.
retrieval.
cm — Centimeter(s).
COMn — The device names for the serial ports on your system.
control panel — The part of the system that contains indicators and controls, such as
the power button and power indicator.
the power button and power indicator.
controller — A chip or expansion card that controls the transfer of data between the
processor and memory or between the processor and a peripheral device.
processor and memory or between the processor and a peripheral device.
coprocessor — A chip that relieves the system’s processor of specific processing tasks.
A math coprocessor, for example, handles numeric processing.
A math coprocessor, for example, handles numeric processing.
book.book Page 59 Monday, December 7, 2009 4:51 PM