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File Version : v1.13b (XPClient.010817-1148)
Description : Adaptec AHA-154x series SCSI miniport
Copyright : Copyright (C) Adaptec, Inc. 1998
Product Version : 5.1.2600.0
Product Name : Microsoft Windows Operating System
Company Name : Microsoft Corporation
Internal Name : BW004
File Size: 12800 byte(s) 12.512 KB
MD5 : c23ea9b5f46c7f7910db3eab648ff013
SHA1: 038E5CB01BF63EC2DFBCA5AEC9BE0575855E8472

Download aha154x.sys
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How to Install aha154x.sys
Repair Sys ProblemsFixing a corrupted or missing aha154x.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.