Intel® 82541PI(ER) and 82562GZ(GX) Dual Footprint LOM (AP-468)
82541PI(ER) Gigabit Ethernet controllers and 82562GZ(GX) Platform LAN Connect (PLC) devices are all manufactured in a footprint-compatible 15 mm x 15 mm, 196-ball grid array package. Many of the critical signal pin locations on the 82541PI(ER) are identical to signals on the 82562GZ(GX) allowing designers to create a single design that accommodates these two parts. Because the usage of some pins on the 82541PI(ER) differ from the usage on the 82562GZ(GX), the two parts are not referred to as “pin compatible”. The term “footprint compatible” refers to the fact that the parts share the same package size, same number and pattern of pins, and layout of signals that allow for the flexible, cost effective, multipurpose design. Therefore, it is easy to populate a single board design with any of the two parts to maximize value while matching your customers' performance needs.
This application note identifies the design differences between the 82541PI(ER) and the 82562GZ(GX). The table in Section 5.0 lists the pinout assignments for each of the two parts.
Read the full Intel® 82541PI(ER) and 82562GZ(GX) Dual Footprint LOM (AP-468) Application Note.