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File Version : 3.51
Description : OPTi 93x Sound driver
Copyright : Copyright Microsoft Corp. 1981-1995
Product Version : 3.51
Product Name : Microsoft Windows NT(TM) Operating System
Company Name : Microsoft Corporation
Internal Name : snd93x.sys
File Size: 90368 byte(s) 88.256 KB
MD5 : fb219c643446c2c0117a86f0590fbc25
SHA1: E8DDCC6BFE8E35EBB03481E814674B2B69E62E28

Download sisraid1.sys
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How to Install sisraid1.sys
Repair Sys ProblemsFixing a corrupted or missing sisraid1.sys error is an easy process with a few steps. Open the zip-file you downloaded.Extract the .sys file to a location on your computer. We recommend you to unzip the file to the directory of the program that is requesting the file.
If that doesn't work, you will have to extract the file to your system directory.
By default, this is C:/WINNT/system32/drivers (Windows NT/2000).
or C:/Windows/system32/drivers (Windows XP, Vista, 7).
Make sure overwrite any existing files (but make a backup copy of the original file)
That should be it. Although not necessary you can reboot your computer as well.