ii  bumblebee-nvidia                                      3.2.1-90~saucyppa1                                  amd64        NVIDIA Optimus support using the proprietary NVIDIA driver
rc  nvidia-304                                            304.117-0ubuntu1                                    amd64        NVIDIA legacy binary driver - version 304.117
ii  nvidia-331                                            331.113-0ubuntu0.0.4                                amd64        NVIDIA binary driver - version 331.113
rc  nvidia-libopencl1-304                                 304.117-0ubuntu1                                    amd64        NVIDIA OpenCL Driver and ICD Loader library
rc  nvidia-libopencl1-331                                 331.38-0ubuntu7.1                                   amd64        NVIDIA OpenCL Driver and ICD Loader library
rc  nvidia-opencl-icd-304                                 304.117-0ubuntu1                                    amd64        NVIDIA OpenCL ICD
ii  nvidia-opencl-icd-331                                 331.113-0ubuntu0.0.4                                amd64        NVIDIA OpenCL ICD
ii  nvidia-settings                                       331.20-0ubuntu8                                     amd64        Tool for configuring the NVIDIA graphics driver