Compaq W4000 User Manual
Page 23
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