cat Xorg.0.log | grep NVIDIA

[   455.318] (II) Module glx: vendor="NVIDIA Corporation"
[   455.318] (II) NVIDIA GLX Module  375.26  Thu Dec  8 17:59:51 PST 2016
[   455.319] (II) Module nvidia: vendor="NVIDIA Corporation"
[   455.320] (II) NVIDIA dlloader X Driver  375.26  Thu Dec  8 17:37:15 PST 2016
[   455.320] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[   455.329] (II) NVIDIA(0): Creating default Display subsection in Screen section
[   455.329] (==) NVIDIA(0): Depth 24, (==) framebuffer bpp 32
[   455.329] (==) NVIDIA(0): RGB weight 888
[   455.329] (==) NVIDIA(0): Default visual is TrueColor
[   455.330] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
[   455.330] (**) NVIDIA(0): Option "ConstrainCursor" "off"
[   455.330] (**) NVIDIA(0): Option "AllowEmptyInitialConfiguration" "on"
[   455.330] (**) NVIDIA(0): Option "IgnoreDisplayDevices" "CRT"
[   455.330] (**) NVIDIA(0): Enabling 2D acceleration
[   455.334] (II) NVIDIA(0): NVIDIA GPU GeForce 610M (GF119) at PCI:1:0:0 (GPU-0)
[   455.334] (--) NVIDIA(0): Memory: 524288 kBytes
[   455.334] (--) NVIDIA(0): VideoBIOS: 75.19.76.00.0d
[   455.334] (II) NVIDIA(0): Detected PCI Express Link width: 16X
[   455.334] (II) NVIDIA(0): Validated MetaModes:
[   455.334] (II) NVIDIA(0):     "NULL"
[   455.334] (II) NVIDIA(0): Virtual screen size determined to be 640 x 480
[   455.334] (WW) NVIDIA(0): Unable to get display device for DPI computation.
[   455.334] (==) NVIDIA(0): DPI set to (75, 75); computed from built-in default
[   455.339] (II) NVIDIA: Using 12288.00 MB of virtual memory for indirect memory
[   455.339] (II) NVIDIA:     access.
[   455.368] (II) NVIDIA(0): Built-in logo is bigger than the screen.
[   455.368] (II) NVIDIA(0): Setting mode "NULL"
[   455.373] (==) NVIDIA(0): Disabling shared memory pixmaps
[   455.373] (==) NVIDIA(0): Backing store enabled
[   455.373] (==) NVIDIA(0): Silken mouse enabled
[   455.373] (==) NVIDIA(0): DPMS enabled
[   455.373] (II) NVIDIA(0): [DRI2] Setup complete
[   455.373] (II) NVIDIA(0): [DRI2]   VDPAU driver: nvidia