Quantum SuperLoader 3A Series User Manual page 107

C
D
Quantum SuperLoader 3A Series User's Guide
A block that cannot reliably hold data because of a media
bad data block
flaw or damaged format markings.
Basic Input/Output System. A set of routines that work closely
BIOS
with the hardware to support the transfer of information
between various elements of the system, such as memory, disks,
and peripheral devices.
Beginning of Media or Beginning of Tape. The physical
BOM or BOT
beginning of the media.
Bureau of Standards, Metrology, and Inspection (Taiwan).
BSMI
buckling mechanism
leaders on cartridge load and disengages them on cartridge
unload.
An area of RAM reserved for temporary storage of data that is
buffer
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.
Specialized RAM used as a buffer between a fast CPU or I/O
cache
channel and storage which has a relatively slow access time (for
example, cartridge or diskette), to avoid slowing down the
former.
Council of Europe.
CE
Code of Federal Regulations (United States).
CFR
Canadian Standards Association, also known as CSA
CSA
International.
compressed capacity
storage space while maintaining data integrity using either
software or hardware.
A process that reduces the amount of storage space
data compression
required to hold a particular block of data. Data transfer speed
and total tape capacity are affected by the data compression
achieved. In accordance with industry practice, a typical
compression ratio is 2:1 of data storage. Actual compression
ratios achieved are dependent on the redundancy of data files
being recorded.
A Decibel is a logarithmic unit of sound intensity; 10 times the
dB
logarithm of the ratio of the sound intensity to some reference
intensity.
T
he buckling mechanism engages the media
Capacity after data has been processed to reduce
Glossary
93