In message <9609301059.ZM18371@warhol> 
     Robert Black wrote:

> [...]
> 
> 4bpp isn't supported. If you try to use an unsupported number of bpp then X
> will try to pick an alternative mode. It looks like X is picking an 8bpp mode
> which your monitor can't handle. X currently supports 8bpp and 1bpp. 16bpp
> should be supported by the end of October, 24bpp by Christmas and 4bpp by Q3 97
> at a rough estimate. I still don't have a good scheme for doing 4bpp colour
> mapping so any suggestions are welcome (otherwise you will get greyscale). Note
> that X currently *thinks* it can handle 16bpp and 24bpp but in reality it can't
> so you may lose your screen display completely if you try to use them.

Of course, no 4bpp support. That somehow slipped out of my mind. I just
tried 1024x768 with whopping two colors, i.e. b/w. Works OK.

> 
> Rob

Thanks,
   Stefan

-- 
Stefan Voss
(voss@yoda.in-berlin.de)