Quantum Audio A-Series Manuel D’Utilisation

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Glossary
Quantum A-Series Tape Drives User’s Guide
80
Applet   
Java applets are small Java programs that get downloaded to the 
client computer and then run from a web browser when a web 
page that uses Java is loaded.
Archiving   
The removal or copying of data from the computer system 
onto secondary storage media that is safely stored away.
ASIC   
Application Specific Integrated Circuit.
ASTM   
American Society for Testing and Materials.
A/V   
A/V or Audio/Video is a generic term used to describe products 
and services associated with audio and video. 
B
Bad Data Block   
A block that cannot reliably hold data because of a media 
flaw or damaged format markings.
Base Plate   
An aluminum die casting that acts as the support platform 
for the other modules and for the tape drive enclosure. The base 
plate includes the precision mounting holes used to install 
SDLT tape drives into a server or tape library.
Bezel   
(Also known as the faceplate.) A plastic panel that extends the 
face of a tape drive so that it covers a computer’s tape drive bay 
opening. The internal model of SDLT 600A has two bezels: a 
library bezel and an internal bezel.
BIOS   
Basic Input/Output System. A set of routines that work closely 
with the hardware to support the transfer of information 
between various elements of the system, such as memory, disks, 
and peripheral devices.
Block   
A sector or group of sectors. SDLT 600A supports block sizes up 
to 16 MB. 
BOM or BOT   
Beginning of Media or Beginning of Tape. The physical 
beginning of the media.
BSMI   
Bureau of Standards, Metrology, and Inspection (Taiwan).
Buckling Mechanism   
T
he buckling mechanism engages the media 
leaders on cartridge load and disengages them on cartridge 
unload.
Buffer   
An area of RAM reserved for temporary storage of data that is 
waiting to be sent to a device. The data is usually on its way to or 
from the tape drive or some other peripheral device.