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Intel 21152 5. Tri-Level with Two EB152s, 6. Four PCI Buses in a Tri-Level Hierarchy, Option Card

Models: 21152

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Figure 1-5. Tri-Level with Two EB152s

Figure 1-5shows a tri-level bus with two EB152s.

Figure 1-5. Tri-Level with Two EB152s

		Option Card
		PCI
		Device
Host System
Motherboard	EB152	EB152
	21152	21152

Figure 1-6shows four PCI buses in a tri-level hierarchy.

Figure 1-6. Four PCI Buses in a Tri-Level Hierarchy

		EB152
		21152
Host System
Motherboard	EB152	EB152
	21152	21152

Introduction

Option Card

PCI

Device

LJ-05031.AI4

Option Card

PCI

Device

Option Card

PCI

Device

LJ-05032.AI4

21152 PCI-to-PCI Bridge Evaluation Board User’s Guide

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Intel 21152 5. Tri-Level with Two EB152s, 6. Four PCI Buses in a Tri-Level Hierarchy, Introduction, Option Card, Device

Contents

21152 PCI-to-PCI Bridge Evaluation Board User’s GuideJuly 21152 PCI-to-PCI Bridge Evaluation Board User’s Guide Contents Tables Figures1.2 Features Introduction1.1 Overview Introduction 1.3 Major ComponentsFigure 1-1. EB152 Major Components Viewed from Side1.5 Secondary Slot Numbering and IDSEL Mapping 1.4 JumpersJumper Connections Figure 1-2. Secondary PCI Slot NumberingFigure 1-3. EB152 with One Secondary Bus Option Card 1.6 Typical ConfigurationsFigure 1-4. EB152 with Two Secondary Bus Option Cards IntroductionFigure 1-6. Four PCI Buses in a Tri-Level Hierarchy Figure 1-5. Tri-Level with Two EB152sIntroduction EB152Page 2.1 Specifications Installation2.2 Hardware Requirements 2.3 Software RequirementsInstallation 2.4 Installation ProcedureInterrupt ORing Interrupt RoutingInterrupts from Devices to EB152 Fingers Interrupt RoutingSecondary Bus Arbitration Figure 4-1. Arbitration Jumpers Secondary Bus ArbitrationInternal Arbitration Jumper Positions Viewed from SideSecondary Bus Arbitration External PAL Arbitration Jumper PositionsJumper PositionPage Kit Contents Page http//developer.intel.com Support, Products, and Documentation