Dell PowerVault 220S (SCSI) - Manual (Page 15)

Glossary: Dell PowerVault 220S and 221S Systems User's Guide
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Glossary
Dell™ PowerVault™ 220S and 221S Systems User's Guide
The following list defines or identifies technical terms, abbreviations, and acronyms used in Dell™ documents.
A
Abbreviation for ampere(s).
AC
Abbreviation for alternating current.
beep code
A diagnostic message in the form of a pattern of beeps from your system's speaker. For example, one beep, followed by a
second beep, and then a burst of three beeps is beep code 1-1-3.
BTU
British Thermal Unit, a measurement of heat output
bus
An information pathway between the components of a system. Your system contains an expansion bus that allows the
microprocessor to communicate with controllers for all the various peripheral devices connected to the system. Your system
also contains an address bus and a data bus for communications between the microprocessor and RAM.
C
Abbreviation for Celsius.
component
As they relate to DMI, manageable components are operating systems, computer systems, expansion cards, or peripherals
that are compatible with DMI. Each component is made up of groups and attributes that are defined as relevant to that
component.
controller
A chip that controls the transfer of data between the microprocessor and memory or between the micro-processor and a
peripheral device such as a disk drive or the keyboard.
DC