This part is a kind of semiconductor called MCS9865.
Function of this product has PCI to Dual Serial and Dual Parallel Controller.
Manufacturers : ASIX
Image and pinout :

Some of the text within the PDF file :
MCS9865 PCI to Dual Serial and Dual Parallel Controller MCS9865 PCI to Dual Serial and Dual Parallel Controller Datasheet Revision 2.00 Aug. 5th, 2011 1 Copyright © 2007-2011 ASIX Electronics Corporation. All rights reserved. MCS9865 PCI to Dual Serial and Dual Parallel Controller IMPORTANT NOTICE Copyright © 2007-2011 ASIX Electronics Corporation. All rights reserved. DISCLAIMER No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose, without the express written permission of ASIX. ASIX may make changes to the product specifications and descriptions in this document at any time, without notice. ASIX provides this document “as is” without warranty of any kind, either expres [ ... ]
MCS9865 PDF Datasheet Download
