beautypg.com

Compaq W4000 User Manual

Page 23

background image

Technical Reference Guide

Table 1-1. Acronyms and Abbreviations Continued

Acronym/Abbreviation Description
DAC digital-to-analog

converter

DC direct

current

DCH

DOS compatibility hole

DDC

Display Data Channel

DDR

Double data rate (memory)

DIMM

dual inline memory module

DIN

Deutche IndustriNorm (connector type)

DIP

dual inline package

DMA

direct memory access

DMI

Desktop management interface

dpi

dots per inch

DRAM

dynamic random access memory

DRQ data

request

DVI

Digital video interface

EDID

extended display identification data

EDO

extended data out (RAM type)

EEPROM

electrically eraseable PROM

EGA

enhanced graphics adapter

EIA

Electronic Industry Association

EISA extended

ISA

EPP

enhanced parallel port

EIDE enhanced

IDE

ESCD

Extended System Configuration Data (format)

EV

Environmental Variable (data)

ExCA

Exchangeable Card Architecture

FIFO

first in / first out

FL flag

(register)

FM frequency

modulation

FPM

fast page mode (RAM type)

FPU

Floating point unit (numeric or math coprocessor)

FPS

Frames per second

ft Foot/feet
GB gigabyte
GMCH

Graphics/memory controller hub

GND ground
GPIO

general purpose I/O

GPOC

general purpose open-collector

GART

Graphics address re-mapping table

GUI

graphic user interface

h hexadecimal
HW hardware
hex hexadecimal
Hz

Hertz (cycles-per-second)

ICH

I/O controller hub

IDE

integrated drive element

IEEE

Institute of Electrical and Electronic Engineers

IF interrupt

flag

I/F interface

Continued

Compaq Evo and Workstation Personal Computers

Featuring the Intel Pentium 4 Processor

Second Edition – January 2003

1-5