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Old 07-09-2014, 03:45 AM
maxx.monopoli maxx.monopoli is offline
Join Date: Jul 2011
Location: Milan - Italy
Posts: 12
Default HD I/O cards sequence/layout


I own an HD I/O with following cards:
- 8ch analog In
- 8ch analog Out
- 8ch digital I/O

plugged in this order:


Besides PTHD11, I'm using the HD I/O as audio interface with Logic Pro X (via HDX) as well.

LPX needs the main stereo out to be the channels 1-2 of the interface, but actually HDX passes the analogue I/O ch 1-2 to LPX as channels 1-2 (over the 16 I/O channels which are passed through HDX driver).

Should I swap the positions of the digital I/O card with the analog Input card in order to have HDX passing the digital ch 1-2 as first and second channels to Logic X (so they become main "Stereo Out" in LPX)?

Is there any specific position sequence for the expansion boards?
Or I can I just swap them without problems?

Thank you for your replies.

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Old 07-09-2014, 07:58 AM
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DetroitT DetroitT is offline
Join Date: Dec 2000
Location: Detroit, Mi, USA
Posts: 2,254
Default Re: HD I/O cards sequence/layout

Don't change the cards. Your I/O settings and Hardware setting should get you the combo you need.
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Old 07-09-2014, 07:43 PM
jbrown7282 jbrown7282 is offline
Join Date: Sep 2011
Location: United States
Posts: 195
Default Re: HD I/O cards sequence/layout

Agreed... No need to change...In your CoreAudio Application make sure that the outputs are leading to the right output for Logic...

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