On Tue, 19 Sep 2000, Jesse Reynolds wrote:

> Well, it's working now. 1.5a won't do any more than 256 colours on my 
> Quadra for some reason. And, it is important to reboot the mac after 
> changing the number of colours and before booting bsd... very 
> confusing!!!
> 
> for example, if the machine boots up with millions of colours, I 
> change the number of colours to 256, then bsd will panic. I have to 
> reboot the mac after changing the colours.

The problem then is probably with how we are (mis)handling setting up the
virtual memroy support & mappings for the video memory.

If you boot with millions of colors, MacOS probably reserves more video
memory than it does when you boot with just 256 colors. And that different
amount of video memory is what's tripping the system up.

Take care,

Bill