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You and it may be partially saying the same thing. It is specifically saying to use "Standard" in GP, you are saying don't use ASIO if Studio One is using ASIO.
You say I'll experience crashes if S1 is using ASIO. The problem with that is in my configuration there is no ASIO option available in S1!
S1 recognizes the Tascam, and so Series 102i/208i shows up as an option. From day 1, this setting has been set and I've had no problem until GP appeared.
All this continues to point to GP as being the root cause and the solution is to set "Standard" in GP. I think I experienced a driver clash.
You say "A Multi-Client ASIO driver will run more than one program at a time." OK, I am now running more than one program at a time. Which is Multi-Client? The "Standard" in GP of the "Series 102i/208i" in S1?
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Steve, yes there is an ASIO setting in ST1, see pics.
Yes AI, Brain, and I are saying the same thing. In ST1 if no ASIO is available, that is GP is in ASIO, it will not show during start up. But if ST1 is set to ASIO then you boot GP and it is set to ASIO then you will get a crash. If I were in your shoes I would permanently set GP to either MME or WAS and set ST1 permanently to ASIO.
Your Tascam is not multi-client. A multi-client ASIO driver will run two or more ASIO driver programs simultaneously. All audio interfaces will run ASIO and MME or ASIO and WAS simultaneously.
I have no idea what standard is.