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8pre suddenly won't boot

I have an old MOTU 8pre Firewire I got on the cheap that was working great.  Been using it as an ADAT converter to add 8 channels to my 18i20.  Today I wanted to try reducing latency by increasing the sample rate to 48khz.  While fiddling with it I power cycled it and now after the "sparkle" animation it just displays the word "UP" on the LED display and outputs noise over optical and doesn't r

Why no audio being played through MOTU 8pre USB even though the meters on Logic and iTunes are blazing.

I recently got a new MOTU 8pre interface. It has been working in spite of having to reconfigure the Optical In and Out everytime I startup. I have no ADATS or anything optical between the 8pre and the USB port on the back of my iMac.

Both MOTU 8pres have suddenly stopped working with Logic

Alright guys and gals, I’m about to lose my freaking mind and I could really use some help. I run Logic on my top of the line Mac Pro (which I use solely for recording music). For the past year or so, I’ve been using two MOTU 8pres – one is a firewire interface, the other a USB. The USB (MOTU #2) is connected via optical cable to the firewire (MOTU #1).

Chaining MOTU 8pre's together

Hey everyone,

I read on the MOTU site that I can chain 2 8pre's together to get 16 channels of recording by using the optical connections. Has anyone done something similar to this and can offer some insight as to how easy/difficult it is? I am not finding anything very descriptive on "how" to do it, and would like to order the right cables/etc the first time around.

MOTU 8pre into M-audio 410 through optical cable

I was trying to connect these two units together, M-audio being a main interface connected to PC through firewire. I connected MOTU 8-pre out into M-audio IN with optical cable. Pro Tools were running and froze right away. So I restarted computer, and can't seem to find any sign of MOTU connected on the PC. Pro Tools say that paths for inputs 5 - 32 are not found.