====================================================================== Microsoft(R) Product Support Services Application Note (Text File) WW1140: WINDOWS(R) SOLUTION FOR FAULTY PENTIUM(TM) FLOATING-POINT UNIT ====================================================================== Revision Date: 2/95 1 Disk Included The following information applies to Microsoft Windows and Windows for Workgroups, versions 3.1 and 3.11. -------------------------------------------------------------------- | INFORMATION PROVIDED IN THIS DOCUMENT AND ANY SOFTWARE THAT MAY | | ACCOMPANY THIS DOCUMENT (collectively referred to as an Application | | Note) IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER | | EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED | | WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR | | PURPOSE. The user assumes the entire risk as to the accuracy and | | the use of this Application Note. This Application Note may be | | copied and distributed subject to the following conditions: 1) All | | text must be copied without modification and all pages must be | | included; 2) If software is included, all files on the disk(s) | | must be copied without modification (the MS-DOS(R) utility | | diskcopy is appropriate for this purpose); 3) All components of | | this Application Note must be distributed together; and 4) This | | Application Note may not be distributed for profit. | | | | Copyright (C) 1995 Microsoft Corporation. All Rights Reserved. | | Microsoft, MS-DOS, and Windows are registered trademarks of | | Microsoft Corporation. Intel is a registered trademark and Pentium | | is a trademark of Intel Corporation. | -------------------------------------------------------------------- Introduction ------------ The WW1140 disk included with this Application Note contains a utility called PENTFIX.EXE. The PENTFIX.EXE utility automatically disables the Intel(R) Pentium floating-point hardware that contains the floating- point division accuracy error. When you use the PENTFIX.EXE utility, the Pentium behaves similarly to an Intel 486SX or 386 that does not contain floating-point processing hardware. Installing the PENTFIX.EXE Utility ---------------------------------- To install the PENTFIX.EXE utility, follow these steps: 1. Quit Windows, or open an MS-DOS command prompt within Windows. 2. If you received a disk with this Application Note, insert the disk in the appropriate floppy disk drive. If you downloaded this Application Note from an online service, skip to step 3. This procedure assumes that you have already downloaded and extracted the compressed file. 3. At an MS-DOS command prompt, type the following command and press ENTER copy :\pentfix.exe where is either the letter of your floppy disk drive or the directory containing the file you downloaded from online services, and is the path to your Windows directory. For example, if you are installing from a floppy disk that you inserted in drive A, and C:\WINDOWS is the path to your Windows directory, type: copy a:\pentfix.exe c:\windows Or, for example, if you downloaded the WW1140.EXE file from online services to C:\DOWNLOAD and C:WINDOWS is the path to your Windows directory, type: copy c:\download\pentfix.exe c:\windows Running the PENTFIX.EXE Utility ------------------------------- To run the PENTFIX.EXE utility, double-click the PENTFIX.EXE file. For additional information about the PENTFIX.EXE utility, run the PENTFIX.EXE utility and choose the Help button.