This part is a kind of semiconductor called 82574.

Function of this product has Gigabit Ethernet Controller.

Manufacturers : Intel Corporation

Image and pinout :

Some of the text within the PDF file :

Intel® 82574 Family Gigabit Ethernet Controller Specification Update July 2015 Revision 4.0 82574 Specification Update No license (express or implied, by estoppel or otherwise) to any intellectual property rights is granted by this document. Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade. This document contains information on products, services and/or processes in development. All information provided here is subject to change without notice. Contact your Intel representative to obtain the latest forecast, schedule, specifications and roadmaps. The products and [ ... ]

82574 PDF Datasheet Download