I've been searching for a driver for a week and found one from here but it crackled when using Logic Platinum. Eventually I found this little baby and it works like a dream!!!
The following files are found inside the driver download file.
|SPCTAUDIOSetupus.exe||4.1 MB||2 Nov 2001|
|SPCTW2K.LIB||363.6 KB||2 Nov 2001|