When you are starting Windows 95 OSR2, OSR2.1, or OSR2.5 on a computer with an AMD-K6-2 processor running at speeds of 350 MHz and above, you may receive one of the following error messages: Device IOS failed to initialize. Windows Protection Error. You must reboot your computer. The first error is a result of a divide exception in IOS.VXD, the second is due to a similar error within ESDI_506.PDR or SCSIPORT.PDR. This observation is caused by a software timing loop that is sensitive to processor frequency, and is not a processor erratum. This DOES NOT occur with Windows 98 or Windows NT®. AMD has worked closely with Microsoft to enable a publicly available solution which is available below. Contoh telaahan staf penataan pns. This problem is very intermittent at 350MHz. Note that it is necessary to reboot the computer after the error occurs. If the error does not occur, the system will run normally. Copy the file AMDK6UPD.EXE into an empty folder, and run AMDK6UPD.EXE to install the update. You may be warned that you are about to replace a newer file with an older version of the file. Generally, you should the keep the newer file, and choose not to replace it with an older file. Restart the computer for the changes to take effect. ![]() ![]() I've attached the file you need. (see bottom of this post) SYMPTOMS When you are installing Windows 95 or Windows 98 on a computer that has a CPU that runs at 2.2 gigahertz (GHz) or faster, you may receive the following error message: While initializing device NDIS: Windows protection error CAUSE The timing calibration code in the Network Driver Interface Specification (NDIS) driver causes a divide by zero if the CPU runs at 2.2 GHz or faster. This problem does not occur with CPUs that run at 2.1 GHz or slower. Instructions for the attached file: Note: This file was originally packaged in a Zip file from Microsoft. Tech support scams are an industry-wide issue where scammers attempt to trick you into paying for unnecessary technical support services. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number. The file was password protected therefore only the resulting executable is included here. This patch is for Windows 98. Start the target system in Safe-Mode and run the executable. It will replace the existing ndis.vxd with a fixed version. Once the patch is applied, when subsequent changes are made to the network properties of the target system, be sure NOT to let it replace the patched ndis.vxd file. If this file is replaced, you will need to re-run the patch. Note: The following text is the original text file included in the zip file. There is no hfx.exe and item #1 can be disregarded. ------------------------------------------------------------------------ Hot Fix for Microsoft Knowledge Base article number q312108 Knowledge Base Article ====================== To view the contents of the knowledge base article for this update, visit directly, or visit and query the Knowledge base for the product and the Q number of this update. Installation Instructions ========================= 1.
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