No matter which Grub option I choose, the installer for GhostBSD 11.1 won't start X11

It appears that my NVidia GT 620 is unsupported by "nv".
Xorg.0.log transcript:
Code: Select all
(WW) NV: Ignoring unsupported device 0x10de0f01 (GF108 [GeForce GT 620]) at 01@00:00:0
(EE) open /dev/dri/card0: No such file or directory
(WW) Falling back to old probe method for modesetting
(EE) open /dev/dri/card0: No such file or directory
(WW) Falling back to old probe method for scfb
scfb trace: probe start
(II): scfb (1): using default device
scfb trace: probe done
(WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
(EE) Screen 0 deleted because of no matching config section.
(II) UnloadModule: "modesetting"
(EE)
Fatal server error:
(EE) Cannot run in framebuffer mode. Please specify busIDs for all framebuffer devices
Please help?