Installation guide

G-5
Glossary
Installation Guide
IIS: Internet Information Server. A group of Internet
servers (including a Web or HTTP server and a
FTP server) with additional capabilities for
Microsoft) Windows) NT and Microsoft Windows
2000 Server (and later) operating systems.
I/O: Input /Output. Describes any operation,
program, or device that transfers data to or from a
computer.
Interface: A connection between a computer and a
peripheral device enabling the exchange of data.
See Parallel Port and Serial Port.
IOB: Input / Output Board. The IOB supports a
simultaneous 3.2 GB/s throughput each way and
can connect up to 11 PCI–X boards.
IOR: I/O Riser. The IO Riser provides:
– I/O controller Hub
– USB ports
– 10/100/1000 Ethernet controller
– Video controller
– Serial / debug port
IP: Internet Protocol. The protocol by which data is
sent from one computer to another via the Internet.
Each computer (known as a host) on the Internet
has at least one IP address that uniquely identifies
it from all other computers on the Internet.
IPF: Itanium Processor Family.
IPL: Initial Program Load. It defines the firmware
functional phases during the system initialization.
IPMB: Intelligent Platform Management Bus.
IPMI: Intelligent Platform Management Interface.
ISA: Industry Standard Architecture. An industry
standard for computers and circuit cards that
transfer 16 bits of data at a time.
J
Jumper: A small electrical connector used for
configuration on computer hardware.
K
KVM: Keyboard Video Monitor.
KVM switch: the Keyboard Video Monitor switch
allows the use of a single keyboard, monitor and
mouse for more than one module.
L
LAN: Local Area Network. A group of computers
linked together within a limited area to exchange
data.
LED: Light Emitting Diode. A small electronic
device that glows when current flows through it.
Legacy Application: An application in which a
company or organization has already invested
considerable time and money. Typically, legacy
applications are database management systems
(DBMSs) running on mainframes or minicomputers.
LD: Logical Disk. A Storeway FDA 1300/2300
logical disk (or LUN) is visible to the OS as a Disk.
See LUN and PD (Physical Disk).
LPT1 or LPT2: The name assigned to a parallel
port to specify its address. See Parallel Port.
LS240: Laser Servo super diskette holding up to
240 Mb.
LUN: Logical Unit Number. Term used to designate
Logical Storage Units (logical disks) defined
through the configuration of physical disks stored in
a mass storage cabinet.
LVDS: Low Voltage Differential SCSI.
M
MAESTRO: Machine Administration Embedded
Software Real Time Oriented.
Part of the PAM software package embedded on
the PMB board.
MCA: Machine Check Abort.
MIMD: Multiple Instruction Multiple Data
Memory: Computer circuitry that stores data and
programs. See RAM and ROM.
Microprocessor: An integrated circuit that
processes data and controls basic computer
functions.
Mirrored volumes: A mirrored volume is a
fault–tolerant volume that duplicates your data on
two physical disks. If one of the physical disks fails,
the data on the failed disk becomes unavailable,
but the system continues to operate using the
unaffected disk.