Last Revised AST RESEARCH, INC. TECHNICAL BULLETIN # 1784 12/02/97 TITLE: Ascentia M, MS Windows NT, 3Com 3C575A ISSUE The 3Com 3C575A CardBus 10/100 Ethernet PC Card may not function properly when installed in an Ascentia M that is running Windows NT 4.0. This issue affects all Ascentia M systems. BACKGROUND The Ascentia M system uses the TI PCI1131 CardBus controller. Windows NT 4.0 does not provide support for CardBus at this time. Ascentia M systems that ship with Windows NT 4.0 include SystemSoft CardWizard to provide PC Card support under Windows NT 4.0. The 3Com 3C575A CardBus card will function on the Ascentia M under Windows NT after applying a registry fix. ACTION To resolve the issue, perform the following steps: 1. Download the file 3C575.REG from one of AST's On-Line! forums as follows: AST WWW Site: http://www.ast.com AST On-Line! BBS*: See IB0001.TXT CompuServe: GO: ASTFORUM Prodigy: JUMP: ASTSUPPORT * Refer to IB0001.TXT for a list of AST's international BBS numbers. To decompress this file, create a temporary directory on your hard drive, copy the downloaded file to that directory, and run the file. 2. Copy the file to a temporary folder on the hard drive. 3. Open a command prompt, change to the folder where the file is located and run: REGEDIT -I 3C575.REG 4. Reboot the system for the changes to take effect. NOTES N/A TAN N/A --------------------------------------------------------------------- The information in this data sheet is subject to change without notice. AST Research, Inc. shall not be liable for technical or editorial errors or omissions contained herein; nor for incidental or consequential damages resulting from the furnishing, performance, or use of this material. This material contains information protected by copyright. No part of this material may be reproduced in any form without prior written consent from AST Research, Inc. All rights reserved. --------------------------------------------------------------------- Template Rev 02