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20.6 Various Information
The driver requires 10.4.8 or higher. Older versions of OS X are not and will not be supported.
A PPC version of the driver is not available.
Via >System Preferences/ Audio-MIDI Setup< the hardware can be configured for the system
wide usage. Programs that don't support card or channel selection will use the device selected
as Standard-Input and Standard-Output. (Soundstudio, Mplayer, Amplitube etc.).
In the lower part of the window, the audio hardware's capabilities are shown and can be
changed in some cases. On the record side no changes are possible. Programs that don't sup-
port channel selection will always use channels 1/2, the first stereo pair. To access other inputs
use the following workaround with TotalMix: route the desired input signal to output channels
1/2. Hold the Ctrl key down and click on the labels 1 and 2 in the third row. Their labels turn red,
the internal loop mode is active. Result: the desired input signal is now available at input chan-
nel 1/2, without further delay/latency.
Playback can be configured freely and to any of the available playback channels. This is done
via Speaker Setup. Even multichannel playback (Surround, DVD Player) can be set up easily.
OS X supports more than one audio device. Since 10.4 (Tiger) Core Audio offers the function
Aggregate Devices, which allows to combine several devices into one, so that a multi-device
operation is now possible with any software.
The Hammerfall DSP driver adds a number to each unit, so they are fully accessible in any
multicard-capable software.
21. Hotline – Troubleshooting
The newest information can always be found on our website www.rme-audio.com, section Sup-
port, Macintosh OS.
The 8 ADAT channels don't seem to work
• The optical output has been switched to SPDIF. The ADAT playback devices are still usable
by routing and mixing them in TotalMix to other outputs.
Playback works, but record doesn't:
• Check that there is a valid signal at the input.
• Check whether the Hammerfall DSP has been selected as recording device in the audio
application.
Crackle during record or playback:
• Increase the number and size of buffers in the application.
• Try different cables to rule out any defects here.
The card and drivers have been installed correctly, but playback does not work:
• Is Hammerfall DSP listed in the System Profiler/PCI? (Vendor 10EE, Device ID 3FC6).
• Has Hammerfall DSP been selected as current playback device in the audio application?
User's Guide HDSPe AIO © RME
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Troubleshooting
