Intel® 800 Series Chipset Family Platform Controller Hub (PCH)
Datasheet, Volume 1 of 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 833778 | 01/07/2025 | Public |
Ethernet Interface
The integrated GbE controller provides a complete CSMA/CD function supporting IEEE 802.3 (10 Mbps), 802.3u (100 Mbps) implementations. It also supports the IEEE 802.3z and 802.3ab (1000 Mbps) implementations. The device performs all of the functions required for transmission, reception, and collision handling called out in the standards.
The mode used to communicate between the
Intel® Ethernet Connection I219
The integrated GbE controller and the Intel® Ethernet Connection I219 communicate through the PCIe* and SMLink0 interfaces. All integrated GbE controller configuration is performed using device control registers mapped into system memory or I/O space. The Platform LAN Phy is configured using the PCI Express or SMLink0 interface.
The integrated GbE controller supports various modes as listed in below table.
| Mode | System State | Interface Active | Connections |
|---|---|---|---|
| Normal 10/100/1000 Mbps | S0 | PCI Express* | Intel® Ethernet Connection I219 |
| Normal 10/100/1000 Mbps | S0ix | SMLink0 | |
| Wake-on-LAN | S0ix / Sx | SMLink0 / Wake# | |
| Manageability | S0ix / Sx | SMLink0 |