“Supposedly one can use more than one Delta card in a computer at one time. However I can only get one of them to work with GigaStudio at a time? What am I doing wrong?”
Actually, the problem you’ve run in to has nothing to do with the audio cards you’re using – the same would be true with any multi-card configuration. GSIF drivers (used by GigaStudio) currently only support one card at a time, so installing another card will not help GigaStudio to get more outputs. There are applications that allow for multi-card scenarios, such as Cubase, Logic and Sonar, but currently GigaStudio is not one of them.