[linux-audio-user] [RME HDSP 9632] No sound

Bibulus bibulus at free.fr
Sat Mar 10 18:08:28 EST 2007

Le samedi 10 mars 2007 à 16:14 -0500, Paul Davis a écrit :

Hi Paul,

> > You need the snd-rme9652 module.  I don't have any of the hdsp stuff  
> > at all (to my knowledge).  The contents of the file produced by
> the RME Hammerfall 9632 is not the RME HDSP 9632.
> for the former, use snd-rme9652 ("classic hammerfall)
> for the latter, use snd-hdsp ("modern hdsp series")

Ok. I use only "snd-hdsp" now.

> there is no conventional mixer on this card, so alsamixer and other
> "generic mixer" apps will do nothing. you need to use hdspmixer.

Ok. I use only "hdspmixer" now.

I also tried to remove a lot of modules. Now I have only the following:

$ lsmod | grep snd
snd_hdsp               43812  0
snd_rawmidi            18848  1 snd_hdsp
snd_seq_device          7180  1 snd_rawmidi
snd_pcm                59908  1 snd_hdsp
snd_timer              18692  1 snd_pcm
snd_page_alloc          8328  2 snd_hdsp,snd_pcm
snd_hwdep               7428  1 snd_hdsp
snd                    41828  6
soundcore               7008  1 snd

Problems remains. Mixer levels are ok (graphics moves up/down), but
still no sound.

> it is possible that you will have to reflash your firmware to make it
> work under linux, but check the results of running hdspmixer first.

Really? :-(

Sorry to bother you with this point, but: how can one downgrade HDSP
9632 firmware (RME firmware update Windows tool only upgrade it and I
found no howto on how downgrade it)?

Should I have bought a 9652 instead (common mixers work with this one?)?

Thanks for your time,


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