Compaq W4000 User Manual
Page 25
Technical Reference Guide
Table 1-1. Acronyms and Abbreviations Continued
Acronym/Abbreviation Description
PFC
Power factor correction
PIN
personal identification number
PIO Programmed
I/O
PN Part
number
POST
power-on self test
PROM
programmable read-only memory
PTR pointer
RAM
random access memory
RAS
row address strobe
rcvr receiver
RDRAM
(Direct) Rambus DRAM
RGB
red/green/blue (monitor input)
RH Relative
humidity
RMS
root mean square
ROM read-only
memory
RPM
revolutions per minute
RTC
real time clock
R/W Read/Write
SCSI
small computer system interface
SDR
Singles data rate (memory)
SDRAM
Synchronous Dynamic RAM
SEC Single
Edge-Connector
SECAM
sequential colour avec memoire (sequential color with memory)
SF sign
flag
SGRAM
Synchronous Graphics RAM
SIMD
Single instruction multiple data
SIMM
single in-line memory module
SMART
Self Monitor Analysis Report Technology
SMI
system management interrupt
SMM
system management mode
SMRAM
system management RAM
SPD
serial presence detect
SPDIF
Sony/Philips Digital Interface (IEC-958 specification)
SPN
Spare part number
SPP
standard parallel port
SRAM static
RAM
SSE
Streaming SIMD extensions
STN
super twist pneumatic
SVGA super
VGA
SW software
Continued
Compaq Evo and Workstation Personal Computers
Featuring the Intel Pentium 4 Processor
Second Edition – January 2003
1-7