True color is 24 bits.

I think this comes from the idea that the eye cannot resolve more than
24 bits of color.

 - Steve
Yanni Jew <yanni at home.com> wrote:
> The image comes up fine with "[Win32] Preliminary 3.0 VM available",
> without any other changes.
> 
> By the way, my display was set for "True Color" which is something
> like 16-bits, I think. The card is an ATI 3D Rage II (about 4 years old).
> The black rectangle was roughly the size of a business card; the rest
> of the window contained the 3.0 grey background (which I can now see).
> 
> --yanni
> 
> Doug Way wrote:
> > 
> > This is sort of a long shot, but do you have your Windows display set to 8-bit color (256 colors)?  What is the exact nature of the black rectangle?  Is a regular Windows window (about 900x700), but its contents are black?
> > 
> > I noticed that this 3.0 image is set to 16-bit color by default, and wondered if that would cause a problem for people with their OS set to 8-bit color.  (It works fine this way on my Mac at home, though.  Also, I think having the image set to 16-bit color by default is a good idea, if it doesn't cause this kind of problem for anyone.)
> > 
> > - Doug Way
> >   dway at riskmetrics.com
> > 
> > Yanni Jew wrote:
> > >
> > > I downloaded again, with ftp from the command line.
> > > This time "gunzip *.gz" worked (but the image.gz file was
> > > the only *.gz file this time).
> > >
> > > Running "cmp" on the new and old image.gz files say they're identical.
> > > Running "cmp" on the decompressed images say they're identical.
> > > I still get just a black rectangle, when squeak starts. I'm using the
> > > same Windows VM that works for 2.8 and 2.9.
> > >
> > > Can someone verify the file sizes and checksums (the .gz file size
> > > matches the size shown by ftp):
> > >
> > > [yanni at bronto 3.0]$ sum -r *.image
> > > 43674  8859
> > > [yanni at bronto 3.0]$ sum -s *.image
> > > 17648 17718 Squeak3.0.image
> > >
> > > [yanni at bronto 3.0]$ l *.image
> > > -rwxr--r--    1 yanni    zti       9071304 Feb  4 18:32 Squeak3.0.image*
> > > [yanni at bronto 3.0]$ l old
> > > total 13132
> > > -rwxr--r--    1 yanni    zti       9071304 Feb  4 17:56 Squeak3.0.image*
> > > -rwxr--r--    1 yanni    zti       4345699 Feb  4 17:51 Squeak3.0.image.gz*
> > >
> > > "Raab, Andreas" wrote:
> > > >
> > > > Yanni,
> > > >
> > > > I would guess that there really has been a transmission error. Please check
> > > > the size of your compressed image with the size on the server and see if
> > > > those are the same. In any case, you should probably download the image
> > > > again.