William Warren wrote:

for some reason cent 5 now wants cd 3 as well as 1.  I make sure to 
uncheck everything and instlal only the base system.  Bad iso or new 
default?

Sincerely,
William Warren

I've had this issue with the 5.3 install as well. I found that using the text interface (as opposed to the default graphical interface) and de-selecting everything except Base and Editors (you might not need this option) in the "Customize software selection" screen will work.

Mark Tomandl