HP D315 Pfc, Pin, Pio, Post, Prom, Ptr, Ram, Ras, Rdram, Rgb, Rms, Rom, Rpm, Rtc, Scsi, Sdr, Sec

Chapter 1 Introduction

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

1-8Compaq D315 and hp d325 Personal Computers Featuring the AMD Athlon XP Processor

Second Edition – April 2003