This part is a kind of semiconductor called ALC663.
Function of this product has 5.1 Channel HD Audio Codec.
Manufacturers : Realtek Microelectronics
Image and pinout :
Some of the text within the PDF file :
ALC663 (PN: ALC663-GR) 5.1 CHANNEL HIGH DEFINITION AUDIO CODEC www.DataSheet.co.kr DATASHEET Rev. 1.0 23 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 Datasheet pdf - http://www.net/ ALC663 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 [ ... ]