The newest WinASPI drivers (released) by Adaptec can be downloaded from the following Internet address:
For Windows 95/98: ftp://ftp.adaptec.com/pub/BBS/win95/aspi32.exe
For Windows NT: ftp://ftp.adaptec.com/pub/BBS/winnt/aspi32.exe
The original WinASPI drivers from Windows can be found in the cabinet files.
Please read on in: Install WinASPI driver