For additional information on storage terminology, visit the Storage
Networking Industry Association's website at www.snia.org and click on the
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.
ambient temperature — The temperature of the area or room where the system is
ANSI — American National Standards Institute. The primary organization for
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.
backup — A copy of a program or data file. As a precaution, back up your system's
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.
BMC — Baseboard management controller.
bootable media — A CD, diskette, or USB memory key that is used to start your
system if the system will 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.
C — Celsius.
cache — A fast storage area that keeps a copy of data or instructions for quick data
CA — Certificate authority.
CIM — Common Information Model describes the management information utilized
by the DMTF. It provides mapping techniques for interchange of CIM data with MIB
data from SNMP agents.
cm — Centimeter(s).