This part is a kind of semiconductor called ALC268Q.
Function of this product has 2+2 Channel High Definition Audio Codec.
Manufacturers : Realtek
Image and pinout :

Some of the text within the PDF file :
ALC268 Series (ALC268-GR, ALC268Q-GR, ALC268-VB1-GR) 2+2 CHANNEL HIGH DEFINITION AUDIO CODEC DATASHEET Rev. 1.3 25 April 2008 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 ALC268 Series Datasheet COPYRIGHT ©2008 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 p [ ... ]
ALC268Q PDF Datasheet Download
