If you have a newer version of booter, you should see a monitors item in one 
of the menus.  You can set it to 16 bit color there.  Maybe your booter is 
older?

- Pat

On February 21, 2003 05:41 pm, Riccardo Mottola wrote:
> I can activate 16bit on the MacOS side, but can't get color X to display
> colors correctly neither in 8 nor in 16 bit.
> How do you set the monitor options in the Booter ?
>
> -ric
>
> on 2/21/03 6:37 AM, Pat Wendorf at mlist@beholder.homeunix.net wrote:
> > I know this is a very long time to reply, but I got my VSIMMS in today,
> > and amazingly they work great in 16 bit color mode.  The machine boots
> > into a white on black screen (huge surprise), and the X server displays
> > the colors perfectly now.  It's a bit on the sluggish side, but I can run
> > Mozilla remotely from my bigger machines, and it's actually usable.
> >
> > I recommend this upgrade to anyone who uses X on a Quadra 610 :)
> >
> > - Pat