Hi,
I have a pretty similar issue (Benchmark Dac-1 D/A over here).
Eligit, Did you find out what's happening at last?
Others?
Thank you for your support

Hi Matthias, thank you very much for your help.  Eligit solved his issues with the drivers upgrade as you said, but that's not my case.
I have just recieved the HDSPe AES card and I'm trying to configure all my equipment and applications correctly but it is costing me more than I expected. No, I'm using it's internal clock at this moment, please let me get into details.

Equipment:
-Mac Pro 2 x 2.8 GHz Quad-Core Intel Xeon (2 GB RAM)
-External Lacie drive connected via Firewire 800
-Mac OS X 10.5.5

-HDSPe AES-32 serial # 2284XXXX  fitted in slot-4 (1.1)
-HDSPe AES Mac OS X driver 2.64
-HDSPe Firmware Rev 2 (Flash Update 2.07)

-Logic 8.0.2
-Song project recorded at 24 Bit, 44.1 kHz

-Benchmark Dac1

AES-32 Settings:
Word Clock Out: Single speed clicked
Clock Mode: Master
Freq. 44.1 kHz
DDS: inactive

Once the AES-32's drivers and firmware have been installed, the usual audio applications work trouble free, but as soon as I start Logic 8 the ERROR light blinks on the DAC1 (absence of sound consequently), and stays in this way no matter what I try to do about the sequencer configuration. Then I quit Logic and test my audio applications again but there is no audio anymore (and the ERROR ligth remains on the DAC1), reboot the computer don't help either.
Strangely, I can only reverse this situation returning to the HDSPe Settings dialog. Activating the DDS setting dialog and clicking the Frequency Multiplier x2 (not x1, not x4, x2 only!) the Freq. format changes to 88.2, and audio returns (the Dac1 ERROR light turns off). DAC & card seems to work properly again (Freq. stays at 88.2 kHz), I can unclick the DDS active box even, everything works flawlessly except for my main DAW.

Thank you again for your effort about this convoluted issue.

No no, I made it on purpose Mathias, its serial number is 22843982 (From the "About" HDSPe setting dialog).I just want to point that the card is one of the currently shipping ones, sorry about confusion.

So it seems like Logic is set to 44.1 but somehow 88.2 is called for - all other applications don't do that. Ok, we'll check that again.

Further tests about the "supposely" restored signal at 88.2 through DDS & Freq. Multiplied (44.1 kHZ x2) report the following:

Although the Bechmark Dac1 understand there is a valid AES signal in its AES input this doesn't mean the audio applications & card are properly clocked.
The different computer audio applications "work" at any value which implies x2 or x4 in the DDS's Frequency Multiplier, but on contrary to my first supposition the sound turns out unstable (I think the biggest surprise was it wasn't so initially). It fluctuates more or less noticeably (I didn't noticed at the first time because I was more worried about the DAC1 shows a valid AES singnal in its AES input). I hadn't noticed, in fact, some of the (from time to time) glitches but at higher sample rates you can hear clearly the problem (setting the Frequency Multiplier 44.1 x4 = 176.4 kHz for example). Crackles or digital distortion on YouTube, ocassional drop outs when audio DVD/CD is playing are the consecuences.

I think we are not talking about a problem between Logic and the HDSPe AES at long last. The card's internal clock (master mode) is not self clocking to each audio application and I only try to force the clock to do what it should do automatically, the results? An unaccurate performance. Logic only warns about it and the other audio applications are not able to do it so (just shows the sound degraded).

What should I do now?

Thank you again for your care.

I wrote to elegit because I thougth I had a similar problem (but mine seems much bigger than , in theory, a clock incompatibility between Logic and the AES card). Elegit told me that the drivers update solved his problem. Sorry about up this old topic with my issues, I can start a new topic to avoid any confusion if it is required.
Best wishes,
Sergio

We did not find a problem in the driver and still think you got confused and did something wrong. Note this:

- When Logic is running with 44.1 kHz and you try to change the sample rate in the Audio MIDI control panel to 88.2, the frequency will change a brief moment then revert back to 44.1, because Logic noticed the change and corrects it immediately. You will not see this behaviour with other programs.

- Trying to fix the sample rate via DDS is no good idea either, as Logic again tries to set the sample rate defined in the project properties all the time, which is not possible now, then comes up with the error message.

That said, your last post just indicates that you loaded a 44.1 project in Logic while DDS was active and set to 88.2.

Try setting the card as clock master and looping an AES output signal back into an AES input of the card (e.g. from 1/2 to 3/4 to avoid feedback loops). Now do you see this signal in the input section of the HDSP mixer?

Regards,
Daniel Fuchs
RME

Then the problem could be the external gear somehow - are these devices set to sync to AES input? Do they communicate with each other? Do they send AES/EBU to the HDSP correctly?

Regards
Daniel Fuchs
RME

No...

Regards
Daniel Fuchs
RME

I think you are right, when I was struggling the settings dialog to get a valid signal in the DAC1 I probably activated the DDS at 88.2 (in this way the DAC recognized a valid signal). I opened Logic after that and the warning messages start to flash.

The problem was not a compatibility issue with Logic as I thought at first, the card was simply unable to provide me a valid AES output signal in Master Mode (DDS inactive).

I have started to think that the card Thomann sent me is defective.

Thank you for your good wisdom,

Sergio

That's incredible Matthias, you are right!
The Zaolla AES breakout cable I was using, was hooked up to a 02r since a few days ago!!
(I thought YAMAHA & TASCAM share the same pinout!)...
Genius, It has been a case fitting for Sherlock Holmes no doubt about it.
Unfortunately I can't uncork the champaigne yet because I have no the proper breakout cable with me at this moment, but I'll report about it as soon as possible.
Matthias, Daniel, I'm sorry about the mess, I'm a real newby and really hope don't be remembered in the forum community for all this!
In any case, I think you have shown your priceless work one more time and in this case specially all your talent!!!
Best wishes,
Sergio