IBM TS3100 Setup, Operator, And Service Manual page 366

microinstruction. A basic or elementary machine
instruction.
microprogram. A group of microinstructions that
when executed performs a preplanned function.
The term microprogram represents a dynamic
arrangement or selection of one or more groups of
microinstructions for execution to perform a particular
function. The term microcode represents
microinstructions used in a product as an alternative to
hard-wired circuitry to implement certain functions of a
processor or other system component.
MIM. Media information message.
mm. Millimeter.
modifier. That which changes the meaning.
mount a device. To assign an I/O device with a
request to the operator.
MP. Microprocessor.
ms. Millisecond.
MSG. Message.
multipath. Pertaining to using more than one path.
N
N/A. Not applicable.
node. In a network, a point at which one or more
functional units connect channels or data circuits.
NVS. Nonvolatile storage. A storage device whose
contents are not lost when power is cut off.
O
oersted. The unit of magnetic field strength in the
un-rationalized centimeter-gram-second (cgs)
electromagnetic system. The oersted is the magnetic
field strength in the interior of an elongated, uniformly
wound solenoid that is excited with a linear current
density in its winding of one abampere per 4π
centimeters of axial length.
offline. Pertaining to the operation of a functional unit
without the continual control of a computer. Contrast
with online.
online. Pertaining to the operation of a functional unit
that is under the continual control of a computer.
Contrast with offline.
OPER. Operation.
ov. Over voltage.
J-6
TS3100 Tape Library and TS3200 Tape Library Setup, Operator, and Service Guide
overrun. Loss of data because a receiving device is
unable to accept data at the rate it is transmitted.
overtightening. To tighten too much.
P
parameter. A variable that is given a constant value
for a specified application and that may denote the
application.
p bit. Parity bit.
PC. Parity check.
PCC. Power control compartment.
PDF. Portable Document Format.
PE. Parity error. Product engineer.
pick. Pertaining to the library, to remove, by means of
a robotic device, a tape cartridge from a storage slot or
drive.
picker. A robotic mechanism located inside the library
that moves cartridges between the cartridge storage
slots and the drive.
PM. Preventive maintenance.
POR. Power-on reset.
port. A physical connection for communication
between the drive/library and the host processor.
Portable Document Format (PDF). A standard
specified by Adobe Systems, Incorporated, for the
electronic distribution of documents. PDF files are
compact, can be distributed globally (via e-mail, the
Web, intranets, or CD-ROM), and can be viewed with
the Acrobat Reader, which is software from Adobe
Systems that can be downloaded at no cost from the
Adobe Systems home page.
PROM. Programmable read only memory.
PS. Power supply.
PWR. Power.
R
rack. A unit that houses the components of a storage
subsystem, such as the library.
rackmount kit. A packaged collection of articles used
to install the rack mounted version of the library.
RAM. Random access memory.