2.1.1 Driver Files
All of the files required for the operation or configuration of a device
driver are stored in the Windows NT system directory or one of its
subdirectories. The various installation methods provide ways to determine the
Windows system directory on the local machine. The appropriate locations in
which to store the various file types are:
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.sys
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Copy the driver’s image file into the NT_root\system32\drivers directory.
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.dll
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Copy the driver’s library files into the NT_root\system32 directory.
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.inf
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If you distribute an oemsetup.inf (or oemsetnt.inf ) file with
your driver, the installation procedure should copy it (renaming it with a
unique name) into the NT_root\system32 directory.