The previous question shown below gave me all the possible nvidia drivers available but I must have one of them already installed since my video is working. I tried nvidia-smi and modinfo nvidia |grep version` but just get command not found.
jacatone@jacatone-ghostbsd ~ [1]> pciconf -lv | grep -B4 VGA
vgapci0@pci0:1:0:0: class=0x030000 rev=0xa1 hdr=0x00 vendor=0x10de device=0x06e4 subvendor=0x10de subdevice=0x05cc
vendor = 'NVIDIA Corporation'
device = 'G98 [GeForce 8400 GS Rev. 2]'
class = display
subclass = VGA
jacatone@jacatone-ghostbsd ~> pkg search nvidia
libva-nvidia-driver-0.0.13 NVDEC-based backend for VAAPI
linux-nvidia-libs-570.124.04 NVidia graphics libraries and programs (Linux version)
linux-nvidia-libs-304-304.137 NVidia graphics libraries and programs (Linux version)
linux-nvidia-libs-340-340.108 NVidia graphics libraries and programs (Linux version)
linux-nvidia-libs-390-390.154 NVidia graphics libraries and programs (Linux version)
linux-nvidia-libs-470-470.161.03 NVidia graphics libraries and programs (Linux version)
nvidia-driver-570.124.04.1402000 NVidia graphics card binary drivers for hardware OpenGL rendering
nvidia-driver-304-304.137.1402000_10 NVidia graphics card binary drivers for hardware OpenGL rendering
nvidia-driver-340-340.108.1402000_4 NVidia graphics card binary drivers for hardware OpenGL rendering
nvidia-driver-390-390.154.1402000_1 NVidia graphics card binary drivers for hardware OpenGL rendering
nvidia-driver-470-470.161.03.1402000_1 NVidia graphics card binary drivers for hardware OpenGL rendering
nvidia-drm-515-kmod-570.124.04.1402000_1 NVIDIA DRM Kernel Module
nvidia-drm-61-kmod-570.124.04.1402000_1 NVIDIA DRM Kernel Module
nvidia-drm-kmod-570.124.04 NVIDIA DRM Kernel Module
nvidia-secondary-driver-570.124.04.1402000_1 NVidia graphics card binary drivers for hardware OpenGL rendering on secondary device
nvidia-secondary-driver-390-390.154.1402000_1 NVidia graphics card binary drivers for hardware OpenGL rendering on secondary device
nvidia-settings-535.146.02_1 Display Control Panel for X NVidia driver
nvidia-texture-tools-2.1.2 Texture Tools with support for DirectX 10 texture formats
nvidia-xconfig-525.116.04 Tool to manipulate X configuration files for the NVidia driver
nvidia_gpu_prometheus_exporter-g20181028_24 NVIDIA GPU Prometheus exporter
