NEC NEC Versa 2500 Series User's Guide 25-10584-00 Personal Computer User Manual


 
xiv 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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