&run_pars
  cvsid='$Id: run.in,v 1.2 2004/06/18 18:17:58 nilshau Exp $',
  nt=5, it1=1, cdt=0.4, cdtv=0.30, old_cdtv=F, isave=100, itorder=3,
  dsnap=20., dvid=200., ialive=1,dspec=3,vel_spec=T,mag_spec=T
  fft_switch='fftpack',nr_directions=1
/
&hydro_run_pars
/
&density_run_pars
/
&forcing_run_pars
  iforce='helical', force=0.02, relhel=0.
/
&magnetic_run_pars
  eta=1e-3
/
&viscosity_run_pars
  nu=1e-7
/
