Abbreviations

A

ampere

AC

alternating current

AT

advanced technology

 

(IBM PC)

BBS

Bulletin Board Service

BCD

binary-coded decimal

BCU

BIOS Customized Utility

BIOS

basic input/output system

bit

binary digit

BUU

BIOS Upgrade Utility

bpi

bits per inch

bps

bits per second

C

capacitance

C

centigrade

Cache

high-speed buffer storage

CAM

constantly addressable

 

memory

CAS

column address strobe

CD/ROM

compact disk-ROM

CG

character generator

CGA

Color Graphics Adapter

CGB

Color Graphics Board

CH

channel

clk

clock

cm

centimeter

CMOS

complementary metal oxide

 

semiconductor

COM

communication

CONT

contrast

CPGA

ceramic pin grid array

CPU

central processing unit

DAC

digital-to-analog converter

DACK

DMA acknowledge

DC

direct current

DIP

dual in-line package

DLAB

Divisor Latch Address bit

DMA

direct memory access

DMAC

DMA controller

DOS

disk operating system

DRAM

dynamic RAM

ECC

error checking and correction

EDO

extended data output

EGA

Enhanced Graphics Adapter

EPROM

erasable and programmable

 

ROM

EVGA

Enhanced Video Graphics

 

Array

F

Fahrenheit

FAX

facsimile transmission

FCC

Federal Communications

 

Commission

FG

frame ground

FM

frequency modulation

FP

fast page

FRU

field-replaceable unit

FSB

front side bus

GB

gigabyte

GND

ground

HEX

hexadecimal

HGA

Hercules Graphics Adapter

Hz

hertz

IC

integrated circuit

ID

identification

IDE

intelligent device electronics

IDTR

interrupt descriptor table

 

register

in.

inch

INTA

interrupt acknowledge

IPB

illustrated parts breakdown

IR

infrared

IRR

Interrupt Request register

ISA

Industry Standard

 

Architecture

ISR

In Service register

I/O

input/output

xi

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NEC SP B-Series manual Abbreviations