No input to Spdif

[bonkmp]

I’m using focusrite 8i6 interface on the new MacBook Pro M1 and when I try to use the SPDIF input into ProTools First there is no signal. I can record into ProTools using the focusrite preamps. I know the interface is working and accepting signal from my AD converter.
Thanks, Marty

[Top Jimmy]

Do you change the clock source to S/PDIF when using the S/PDIF input?

[bonkmp]

Yup, I've been using PT for about 16 years with the same rig, Mytek stereo AD, Digi 008, etc. and I'm exploring this because my 2008 Mac Pro is getting erratic.
I did notice that there's no I/O map available but once again spdif inputs show up and the 8i6 pres work so it appears to recognize it.

[Top Jimmy]

Rereading your first post, I see you’re talking about First. First is limited to 4 inputs. These will always be the first 4 presented by the interface driver. If the Focusrite control app doesn’t allow for rerouting the S/PDIF inputs to 1-4, then it won’t work. FWIW, in my experience, MOTU PCIe interfaces did allow rerouting.

[Ben Jenssen]

PT First is very limited.
There's always the 30 day fully functional demo, if you haven't already used it. You said you were exploring.

[myster6]

Originally Posted by bonkmp

I’m using focusrite 8i6 interface on the new MacBook Pro M1 and when I try to use the SPDIF input into ProTools First there is no signal. I can record into ProTools using the focusrite preamps. I know the interface is working and accepting signal from my AD converter.
Thanks, Marty

i experienced the same issues with the same Interface - cost me two weeks of fumbling - no result. Too bad that there is no hint about the limitations of "First". Did you find another solution?

[bonkmp]

Nope, I spent quite a bit of time with Focusrite tech support and they confirmed no workaround. Since the I/O is software dependent my assumption would be the only fix would be a rewrite of the software.