Dell PowerVault 770N (Deskside NAS Appliance) User Manual
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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:
Communications between the microprocessor and peripheral devices, such as the keyboard and the video adapter
Miscellaneous functions, such as system messages
bit
The smallest unit of information interpreted by your system.
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.
bootable diskette
You can start your system from a bootable diskette. To make a bootable diskette, insert a diskette in the diskette drive, type
sys a:
at the command line prompt, and press
drive.
bps
Abbreviation for bits per second.
BTU
Abbreviation for British thermal unit.
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.
byte
Eight contiguous bits of information, the basic data unit used by your system.
C
Abbreviation for Celsius.
cache
A fast storage area that keeps a copy of data or instructions for quicker data retrieval. For example, your system's BIOS may