initial microprogram load (IML)
The action of loading a microprogram
from an external storage to writable
control storage.
initiator
The component that runs a command.
The initiator can be the host system or the
tape control unit.
INST Installation.
interface
A shared boundary. An interface might be
a hardware component to link two
devices or it might be a portion of storage
or registers accessed by two or more
computer programs.
interposer
The part that is used to convert a 68-pin
connector to a 50-pin D-shell connector.
intervention required
Manual action is needed.
INTRO
Introduction.
I/O Input/output.
IOP Input/output processor.
IPL Initial program load.
ITST Idle-time self-test.
K
kilogram (kg)
One thousand grams (approximately 2.2
pounds).
km kilometer. 1000 Meters, Approximately
5/8 mile.
L
LAN Local area network. A computer network
within a limited area.
LCD See liquid crystal display.
LDAP Lightweight Directory Access Protocol.
This protocol allows the library to use
login and password information that is
stored on a server to grant access to the
library functionality.
LED Light-emitting diode.
Linear Tape File System (LTFS)
See IBM Spectrum Archive.
Linear Tape-Open (LTO)
A type of tape storage technology that is
developed by the IBM Corporation,
Hewlett-Packard, and Certance. LTO
technology is an “open format”
technology, which means that its users
have multiple sources of product and
media. The “open” nature of LTO
technology enables compatibility between
different vendors' offerings by ensuring
that vendors comply with verification
standards. The LTO technology is
implemented in two formats: the Accelis
format focuses on fast access; the Ultrium
format focuses on high capacity. The
Ultrium format is the preferred format
when capacity (rather than fast access) is
the key storage consideration. An Ultrium
cartridge has a compressed data capacity
of up to 800 GB (2:1 compression) and a
native data capacity of up to 400 GB.
liquid crystal display (LCD)
A low-power display technology that is
used in computers and other I/O devices.
loadable
Having the ability to be loaded.
LTO cartridge memory (LTO-CM)
Within each LTO Ultrium data cartridge,
an embedded electronics and interface
module that can store and retrieve a
cartridge's historical usage and other
information.
LVD SCSI Bus Low Voltage Differential
M
m Meter. In the Metric System, the basic unit
of length; equal to approximately 39.37
inches.
magnetic tape
A tape with a magnetic surface layer on
which data can be stored by magnetic
recording.
MAP Maintenance analysis procedure.
mask A pattern of characters that controls the
retention or elimination of portions of
another pattern of characters. To use a
pattern of characters to control the
retention or elimination of portions of
another pattern of characters.
master file
A file that is used as an authority in a
110 IBM TS2280: Setup, Operator, and Service Guide Machine Type 3580 Model H8S
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