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Quantum Audio Tape Drives A-Series User Manual

Page 96

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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.