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Glossary
SDLT 220 and SDLT 320 Product Manual
G-8
March 2004
81-85002-01
M
N
P
MB
Megabyte. A unit of measure equal to 1 million bytes.
Metal Particle
(MP) Tape
A magnetic recording media in which a flexible base is coated
with a mixture of magnetic particles and a bonding agent.
MRC Heads
Magneto Resistive Cluster Heads. A cluster of small, cost-
effective Magneto Resistive (MR) tape heads packed densely
together.
MSB
Most Significant Bit.
MSE
Multimode Single-Ended. A signaling alternative for multimode
SCSI devices that allows multimode SCSI devices to operate
when SE SCSI devices are present on the bus.
MTBF
The probable average number of service hours between failures.
Native
Capacity
The capacity of a given media product in its native recording
format (without the use of data compression).
Native Mode
Refers to the uncompressed storage capacity of a tape subsystem.
(See Native Capacity.)
Parity
A method of generating redundant information that can be used
to detect errors in stored or transmitted data.
Peripheral
A device added to a system as a complement to the basic CPU,
such as a disk drive, tape drive, or printer.
POS
Pivoting Optical Servo
. An optically-assisted servo system that
combines high-density magnetic read/write data recording with
laser servo guiding.
Positive
Engagement
A highly robust, solidly engineered tape leader-buckling
mechanism for heavy-duty-cycle automated environments.
POST
Power On Self Test. When power is applied to the tape drive, it
performs a POST.
PRML
See Advanced PRML.
Summary of Contents for DLTtape SDLT 220
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