AGP PCI Bus Implementation

2 System Board

Accelerated Graphics Port (AGP) Controller

In the below diagram, the AGP Bus is viewed as a PCI bus with extra data lines.

AGP

Device

PCI Bus # 1

Pentium II Processor

66 MHz

LX-Device 1

440 LX - Device 0

AGP Port

Host to PCI Bridge

Virtual PCI-PCI Bridge

PCI Bus # 0

PCI/ISA Bridge (PIIX4)

33 MHz

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Image 42
HP XA manual Device PCI Bus # Pentium II Processor 66 MHz