Users Guide

Glossary 187
physical memory array
The physical memory array is the entire physical memory of a system. Variables
for physical memory array include maximum size, total number of memory slots
on the motherboard, and total number of slots in use.
physical memory array mapped
The physical memory array mapped refers to the way physical memory is divided.
For example, one mapped area may have 640 KB and the other mapped area may
have between 1 MB and 127 MB.
PIC
Acronym for programmable interrupt controller.
PIP
Acronym for peripheral interchange program.
pixel
A single point on a video display. Pixels are arranged in rows and columns to create
an image. A video resolution, such as 640 x 480, is expressed as the number of
pixels across by the number of pixels up and down.
PKCS #7
Abbreviation for Public Key Cryptography Standard #7. PKCS #7 is an RSA Data
Security, Inc., standard for encapsulating signed data such as a certificate chain.
PKIS
Abbreviation for Novell Public Key Infrastructure Services.
PLCC
Abbreviation for plastic leaded chip carrier.
Plug and Play
An industry-standard specification that makes it easier to add hardware devices
to personal computers. Plug and Play provides automatic installation and
configuration, compatibility with existing hardware, and dynamic support of
mobile computing environments.
PME
Abbreviation for Power Management Event. A PME is a pin on a peripheral
component interconnect that allows a PCI device to assert a wake event.