BladeUser.org Glossary of Terms

p

PCI

• search for term

Peripheral Component Interconnect. A local bus that provides a high-speed data path between the processor and attached devices.

PCI-X

• search for term

Peripheral Component Interconnect-X. An enhancement to the Peripheral Component Interconnect (PCI) architecture. PCI-X enhances the Peripheral Component Interconnect (PCI) standard by doubling the throughput capability and providing additional adapter-performance options while maintaining backward compatibility with PCI adapters.

PCR

• search for term

Platform control register

PDU

• search for term

Power distribution unit

Peer-to-peer computer network

• search for term

A peer-to-peer (or P2P) computer network is a network that relies primarily on the computing power and bandwidth of the participants in the network rather than concentrating it in a relatively low number of servers. P2P networks are typically used for connecting nodes via largely ad hoc connections.

PFA - Predictive Failure Analysis

• search for term

A scheduled evaluation of system data that detects and signals parametric degradation which might lead to functional failures.

Physical Platform

• search for term

An IBM Director managed object that represents a single physical chassis or server that has been discovered through the use of the Service Location Protocol (SLP).

PM

• search for term

Power Module

POST - Power-On Self-Test

• search for term

A series of internal diagnostic tests activated each time the system power is turned on.

POWER

• search for term

Performance optimization with enhanced RISC

PVST

• search for term

Per-VLAN spanning tree

PXE

• search for term

Preboot execution environment