Specification Update: Intel® 82870P2 PCI/PCI-X 64-bit Hub 2 covers document changes, errata, specification changes and clarifications.
This document is a compilation of device and document errata and specification clarifications and changes, and is intended for hardware system manufacturers and for software developers of applications, operating system, and tools.
Intel® 82870P2 PCI/PCI-X 64-bit Hub 2 (P64H2), a peripheral chip that bridges PCI functions between hub interface and the PCI Bus.
The Intel® 82870P2 PCI/PCI-X 64 Hub 2 (P64H2) is a peripheral chip that bridges PCI functions between hub interface and the PCI Bus. Each interface contains an I/O APIC with 24 interrupts and a hot plug controller supporting each PCI bus segment.