How to use CS4

Embedded Devices NET+OS
1

Hello,
I set up CS3 without any problems but i need more Address Space.

Is it possible to set up CS4 in the same way. I have been trying to but it has failed.

Edit: Im using NetOS 7.4

Thanks for your Help.

2

what are your chip select settings ???
does CS4 toggle when you try to write to the memory address space.??