Download this drivers (compatible with 32-bit and 64-bit).
Adaptec SCSI drivers for Windows 7 and Windows 8
3. Click Browse and point to the driver folder we extracted earlier.
(During installation, a warning will pop-up, ignore it and continue anyway).
4. Continue installation until finish.
If the driver above does not work, use this MOD driver which support most of the adaptec SCSI adapter:
Install using the same method above.
Note : If you have the VISTA drivers, it worth to try and install it in compatibility mode for windows Vista.