Go to the Adaptec site via this link , download their Aspi Checker and run it on your machine

If it show that the layer is not up to date run the updater

http://www.adaptec.com/en-US/speed/software_pc/aspi/aspi_v470_exe.htm

You should be able to see the Scusi card information when the PC boots up and there is the facility to hit an F key to run tests on the setup