&run_pars
  cvsid='$Id: run.in,v 1.4 2005/04/04 04:15:27 brandenb Exp $',
  nt=150000, it1=10, cdt=0.4, cdtv=0.80, isave=0, itorder=3,
  dsnap=2., dvid=.2, ialive=1
  dspec=.2,ou_spec=T,ab_spec=T,fft_switch='fftpack'
/
&eos_run_pars
/
&hydro_run_pars
/
&density_run_pars
/
&forcing_run_pars
  iforce='helical', force=0.01, relhel=1.
  lmagnetic_forcing=T
/
&magnetic_run_pars
  eta=2e-4, B_ext=0.,0.,.10
/
&viscosity_run_pars
  nu=2e-4, ivisc='nu-const'
/
