On Mon, Jan 27, 2014 at 3:34 PM, Peter P. <p8rpp@aol.com> wrote:

Dear list,

did anyone have success using jackd with the RME HDSP card and
settings

jackd -dalsa -r44100 -p32 -n2 -D -Chw:DSP -Phw:DSP -i18 -o18

some specific revisions of the RME HDSP hardware can do <64 frames per period, but most cannot. 64 is the official lower limit (from RME).