Users Guide

Glossary 127
EISA
Acronym for Extended Industry-Standard
Architecture, a 32-bit expansion-bus design. The
expansion-card connectors in an EISA system are also
compatible with 8- or 16-bit ISA expansion cards.
To avoid a configuration conflict when installing an
EISA expansion card, you must use the EISA
Configuration Utility. This utility allows you to specify
which expansion slot contains the card and obtains
information about the card's required system resources
from a corresponding EISA configuration file.
EMC
Abbreviation for electromagnetic compatibility.
EMI
Abbreviation for electromagnetic interference.
EMM
Abbreviation for expanded memory manager. A utility
that uses extended memory to emulate expanded
memory on systems with an Intel386™ or higher
microprocessor.
EMS
Abbreviation for Expanded Memory Specification.
EPP
Abbreviation for Enhanced Parallel Port which provides
improved bidirectional data transmission. Many devices
are designed to take advantage of the EPP standard,
especially devices, such as network or SCSI adapters that
connect to the parallel port of a portable computer.
EPROM
Acronym for erasable programmable read-only memory.
ERA
Abbreviation for embedded remote access.
ERA/MC
Abbreviation for embedded remote access modular
computer. See modular system.
ERA/O
Abbreviation for embedded remote access option.
ESD
Abbreviation for electrostatic discharge.
ESM
Abbreviation for embedded systems management.
expanded memory
A technique for accessing RAM above 1 MB. To enable
expanded memory on your system, you must use an
EMM. You should configure your system to support
expanded memory only if you run application programs
that can use (or require) expanded memory.
expansion bus
Your system contains an expansion bus that allows the
microprocessor to communicate with controllers for
peripheral devices, such as a network card or an
internal modem.
expansion-card connector
A connector on the system's system board or riser board
for plugging in an expansion card.
extended memory
RAM above 1 MB. Most software that can use it, such
as the Windows operating system, requires that
extended memory be under the control of an XMM.
external cache memory
A RAM cache using SRAM chips. Because SRAM chips
operate at several times the speed of DRAM chips, the
microprocessor can retrieve data and instructions faster
from external cache memory than from RAM.
F
Abbreviation for Fahrenheit.