Dell PowerEdge 1655MC - Manual (Page 18)

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Glossary
Dell™ PowerEdge™ 1655MC Systems User's Guide
The following list defines or identifies technical terms, abbreviations, and acronyms used in your system documents.
A
Abbreviation for ampere(s).
AC
Abbreviation for alternating current.
ACPI
Abbreviation for Advanced Configuration and Power Interface.
ambient temperature
The temperature of the area or room where the system is located. Also known as room temperature.
ANSI
Abbreviation for American National Standards Institute.
application
Software, such as a spreadsheet or word processor, designed to help you perform a specific task or series of tasks. Application programs run from the
operating system.
ARI
Analog Rack Interface
ASCII
Abbreviation for American Standard Code for Information Interchange.
asset tag code
An individual code assigned to a system, or server module usually by a system administrator, for security or tracking purposes.
backup
A copy of a program or data file. As a precaution, you should back up your system's hard drive on a regular basis. Before making a change to the configuration
of your system, you should back up important start-up files from your operating system.
backup battery
The backup battery maintains system configuration, date, and time information in a special section of memory when the system is turned off.
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.
BIOS
Acronym for basic input/output system. Your system's BIOS contains programs stored on a flash memory chip. The BIOS controls the following:
l Communications between the microprocessor and peripheral devices, such as the keyboard and the video adapter
l Miscellaneous functions, such as system messages
bit
The smallest unit of information interpreted by your system.
blade
A server module which contains a processor, memory and a hard drive. Server modules are mounted into a chassis which includes power supplies and fans.
boot routine
When you start your system, it clears all memory, initializes devices, and loads the operating system. Unless the operating system fails to respond, you can
reboot (also called
warm boot) your system by pressing ; otherwise, you must perform a cold boot by pressing the reset button or by turning
the system off and then back on.