HDF5-1.6.6 with F90 support is now available on both BG/L and Surveyor. Their paths are as follows: BG/L: /soft/tools/hdf5-1.6.6-f90 Surveyor: /soft/apps/hdf5-1.6.6-f90 Please feel free to contact us if you have any questions. - ALCF Support Team support at alcf.anl.gov