I suspect that I need a special driver and firmware loader version.
I never used a RME card before.
alsa-firmware-loaders is version 1.0.23-5 (Debian testing)
$ uname -a
Linux debian 2.6.33.9-rt31 #1 SMP PREEMPT RT Thu Jun 2 12:42:46 CEST
2011 x86_64 GNU/Linux
# hdsploader
hdsploader - firmware loader for RME Hammerfall DSP cards
Looking for HDSP + Multiface or Digiface cards :
Card 0 : RME HDSPM MADI at 0xfdbf0000, irq 18
Card 1 : TerraTec EWX24/96 at 0xbf00, irq 20
Card 2 : TerraTec EWX24/96 at 0xbb00, irq 21
$ hdspconf
HDSPConf 1.4 - Copyright (C) 2003 Thomas Charbonnel <thomas@???>
This program comes WITH ABSOLUTELY NO WARRANTY
HDSPConf is free software, see the file copying for details
Looking for HDSP cards :
Card 0 : RME HDSPM MADI at 0xfdbf0000, irq 18
Card 1 : TerraTec EWX24/96 at 0xbf00, irq 20
Card 2 : TerraTec EWX24/96 at 0xbb00, irq 21
No Hammerfall DSP card found.
$ hdspmixer
HDSPMixer 1.6 - Copyright (C) 2003 Thomas Charbonnel <thomas@???>
This program comes with ABSOLUTELY NO WARRANTY
HDSPMixer is free software, see the file COPYING for details
Looking for HDSP cards :
Card 0 : RME HDSPM MADI at 0xfdbf0000, irq 18
Card 1 : TerraTec EWX24/96 at 0xbf00, irq 20
Card 2 : TerraTec EWX24/96 at 0xbb00, irq 21
No Hammerfall DSP card found.