I tried all of the other troubleshooting, but my interface is still not detected on my Compaq Deskpro EN.
You must turn the interface on after the BIOS has completed its self test, but before Windows boots. The reason for this is unknown. To simplify this procedure, put the following lines in the computer's "autoexec.bat" file:
Please turn on the power to the SW750 interface now and press any key to continue.
Creation Date: 10/30/2001
Last Modified: 04/14/2003