RSS Limits (100?)

Hi;

I have SF 6 (yeah still)..

I created an RSS feed (Alternative Publishing) and noticed that no matter what I do i cant get more than 100 items to be returned.

I want ALL 5000 items returned even if it takes a long time to load.

This is the project requirement.

If there a setting i need to change?

I choose ALL PUBLISHED Items.  I even tried "10000 items" both still have limits, which seems 100