This part is a kind of semiconductor called 82572EI.

Function of this product has (82571EB / 82572EI Gigabit Ethernet Controller.

Manufacturers : Intel Corporation

Image and pinout :

Some of the text within the PDF file :

82571EB/82572EI Gigabit Ethernet Controller Networking Silicon Product Datasheet Revision 1.2 August 2006 ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN INTEL'S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. Intel products are not intended for use in medical, life saving, or life sustaining applications. Intel may make changes to specifications and product descriptions at any time, without notice. Designers must not rely [ ... ]

82572EI PDF Datasheet Download