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Abbreviations
IRR
Interrupt Request register
ISA
Industry Standard Architecture
ISR
In Service register
I/O
input/output
IPC
integrated peripheral controller
ips
inches per second
IRQ
interrupt request
K
kilo (1024)
k
kilo (1000)
KB
kilobyte
kg
kilogram
kHz
kilohertz
kV
kilovolt
lb
pound
LDTR
local descriptor table register
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
NDP
numeric data processor
NMI
Non-maskable Interrupt
ns
nanosecond
NSRC
National Service Response
Center
PAL
programmable array logic
PC
personal computer
PCB
printed circuit board
PFP
plastic flat package
PIO
parallel input/output
pixel
picture element
PJQFP
plastic J-lead quad flat pack
PLCC
plastic lead 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
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
SDLC
Synchronous Data Link
Control
SG
signal ground
SOIC
small outline integrated circuit
SQFP
silver quad flat package
SVGA
Super Video Graphics Array
SW
switch
TCP
Thin chip package
TQFP
Thin-quad flat package
TSC
Technical Support Center
TTL
transistor/transistor logic
tpi
tracks per inch
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Troubleshooting
