xi
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
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
Abbreviations