This part is a kind of semiconductor called RTL8111B-GR.

Function of this product has INTEGRATED GIGABIT ETHERNET CONTROLLER.

Manufacturers : Realtek Microelectronics

Image and pinout :

Some of the text within the PDF file :

RTL8111B-GR INTEGRATED GIGABIT ETHERNET CONTROLLER FOR PCI EXPRESS™ APPLICATIONS DATASHEET Rev. 1.4 02 December 2005 Track ID: JATR-1076-21 Realtek Semiconductor Corp. No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan Tel.: +886-3-578-0211. Fax: +886-3-577-6047 www.realtek.com.tw RTL8111B-GR Datasheet COPYRIGHT ©2005 Realtek Semiconductor Corp. All rights reserved. No part of this document may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means without the written permission of Realtek Semiconductor Corp. DISCLAIMER Realtek provides this document “as is”, without warranty of any kind, neither expressed nor implied, including, but not limited to, the particular purpose. Realtek may mak [ ... ]

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