Users Guide

178 Glossary
interlacing
A technique for increasing video resolution by only updating alternate horizontal
lines on the screen. Because interlacing can result in noticeable screen flicker,
most users prefer noninterlaced video adapter resolutions.
internal microprocessor cache
An instruction and data cache built in to the microprocessor. The Intel Pentium
microprocessor includes a 16-KB internal cache, which is set up as an 8-KB
read-only instruction cache and an 8-KB read/write data cache.
Internal USB
Internal USB flash drive and device is an additional storage. Internal USB
enhances the virtualization capabilities.
IP address
Abbreviation for Internet Protocol address. See TCP/IP.
IPMI
Abbreviation for Intelligent Platform Management Interface, which is an industry
standard for management of peripherals used in enterprise computers based on
Intel architecture. The key characteristic of IPMI is that inventory, monitoring,
logging, and recovery control functions are available independent of the main
processors, BIOS, and operating system.
IPX
Abbreviation for internetwork packet exchange.
IRQ
Abbreviation for interrupt request. A signal that data is about to be sent to or
received by a peripheral device travels by an IRQ line to the microprocessor. Each
peripheral connection must be assigned an IRQ number. For example, the first
serial port in your system (COM1) is assigned to IRQ4 by default. Two devices
can share the same IRQ assignment, but you cannot operate both devices
simultaneously.
ISA
Acronym for Industry-Standard Architecture. A 16-bit expansion bus design. The
expansion-card connectors in an ISA system are also compatible with 8-bit ISA
expansion cards.