10.3.8 and 11.2 are my 96 interfaces useless?

For various reasons, I needed to get the PT11 upgrade, and still be able to run 10.3.8. I have 2 96 I/O's...and am not getting PT11 audio out of them. I wasn't expecting it to work, but is this a matter of upgrading the drivers? Will this prevent audio from 10.3.8 from working? I'm obviously trying not to get a new interface.



Can anyone provide info on these things?



Thanks.