Hi! I don't know the answers to a few of your questions. But here's what I know or I think I know. For compilation: Use your processor specific options (--enable-sse --enable-mmx etc.) Then I found the following useful: --enable-resize --enable-timestamps --disable-unwanted_driver (I disable all drivers I don't need like --disable-oss etc.). For the -c option. Here I'm speculating, never used it: But if you have it HPET sounds the best. Besides tat I always give the -R commandline option and to be sure jack doesn't timeout I also give --timeout 4500 Hope that helps. Kindest regards Julien -------- Music was my first love and it will be my last (John Miles) ======== FIND MY WEB-PROJECT AT: ======== http://ltsb.sourceforge.net the Linux TextBased Studio guide ======= AND MY PERSONAL PAGES AT: ======= http://www.juliencoder.de