Disabling Shadow RAM on the AST Bravo 386sx

 Last reviewed: November 22, 1994
Article ID: Q68170
The information in this article applies to:
  • Microsoft Windows operating system versions 3.0, 3.0a

SUMMARY

If you experience problems running Microsoft Windows version 3.0 on an AST Bravo 386sx, you may need to disable the shadow RAM feature. You can disable shadow RAM on this machine by using the CMOS setup program as follows:

  1. Switch the computer off for a few seconds.

  2. Switch the computer on.

  3. Press CTRL+ALT+ESC until a keyboard error message appears on screen. If the setup screen does not appear immediately then press CTRL+ALT+ESC.

MORE INFORMATION

You can also disable Windows' use of the shadow RAM area by doing the following:

  1. Use a text editor such as Notepad or SysEdit.

  2. Load the SYSTEM.INI file for editing.

  3. Add the line EMMExclude=E000-EFFF below the [386Enh] section of this file.

For more information, contact AST technical support.

The AST product included here is manufactured by a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.

KBCategory: kbhw kb3rdparty
KBSubcategory: win30
Additional reference words: 3rdparty 3.0 3.00 3.0a 3.00a win30 KBHW

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.

Last reviewed: November 22, 1994
© 1998 Microsoft Corporation. All rights reserved. Terms of Use.