On Wed, 29 Apr 1998, Dr. Bill Studenmund wrote:

> On Wed, 29 Apr 1998, Simon Raahauge DeSantis wrote:
> 
> > I think you mean 65,536 (2^16) colors, aka Thousands :).
> 
> No, it's 2^15. Since there are three colors, the number of bits used per
> pixel must be divisable by 3. Apple uses 5 bits/color, using 15 of the 16
> bits. The extra bit is either left un-used or can be used as an alpha
> channel (for some visual effects), though I'm not sure how useful a 1-bit
> alpha channel is. :-)
> 
> Take care,
> 
> Bill

Unfortunately, Apple didn't design the Q700 video circuitry to do 16-bit,
only 1,2,4,8, and 24.

--
Nathan Raymond
http://www.everythingmac.com