On Sat, 2006-02-18 at 20:59 +0000, Mark Kirby wrote:
> dmesg says 
> 
> vesabios0 at mainbus0: version 3.0, NVIDIA Corporation nv43 Board - p218h2
> vesafb0 at vesabios0: fb 640x480x8 @0xb0000000 (VBE/PM)
> wsdisplay0 at vesafb0 kbdmux 1: console (fb, vt100 emulation)
> 
> the card is a geforce 6 6600 GT

Hm, that should be fine. Can you try a different resolution and/or
colour depth? ie:
  options VESAFB_WIDTH=1024
  options VESAFB_HEIGHT=768
  options VESAFB_DEPTH=16

I've tested all combinations on my Radeon M9 (VBE 3), and it worked
fine..

Cheers,
Jared