xvi Abbreviations
kHz
kilohertz
lb
pound
LED
light-emitting diode
LSB
least-significant bit
LSI
large-scale integration
M
mega
mA
milliamps
max
maximum
MB
megabyte
MDA
Monochrome Display Adapter
MFM
modified frequency modulation
MHz
megahertz
mm
millimeter
ms
millisecond
MSB
most-significant bit
NASC
National Authorized Service Center
NC
not connected
NMI
Non-maskable Interrupt
ns
nanosecond
NSRC
National Service Response Center
PAL
programmable array logic
PC
personal computer
PCB
printed circuit board
PCI
Peripheral Component Interconnect
PDA
personal digital assistant
PFP
plastic flat package
PIO
parallel input/output
pixel
picture element
PLCC
plastic leaded chip carrier
PLL
phase lock loop
p-p
peak-to-peak
PPI
programmable peripheral interface
PROM
programmable ROM
QFP
quad flat pack
RAM
random-access memory
RAMDAC RAM digital-to-analog converter
RAS
row address strobe
RGB
red green blue
RGBI
red green blue intensity
ROM
read-only memory
rpm
revolutions per minute
R
read
RTC
real-time clock
R/W
read/write
S
slave
SCSI
Small Computer System Interface
SG
signal ground
SIMM
single inline memory module
SPM
standard page mode
SRS
Sound Retrieval System
SVGA
Super Video Graphics Array
SW
switch
TAC
Technical Assistance Center
TSC
Technical Support Center
TTL
transistor/transistor logic
tpi
tracks per inch
USB
universal serial bus
V
volt
Vac
volts, alternating current
Vdc
volts, direct current
VESA
video electronics standards
association
VFC
VESA-compliant feature connector
VGA
Video Graphics Array
VRAM
video RAM
W
watt
W
write