# How to use CS4

**URL:** <https://forums.digi.com/t/how-to-use-cs4/4844>\
**Category:** NET+OS\
**Tags:** connectcore7u\
**Created:** [September 11, 2010, 5:17pm UTC](https://forums.digi.com/t/how-to-use-cs4/4844 "2010-09-11T17:17:28Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Mmoors](https://avatars.discourse-cdn.com/v4/letter/m/7bcc69/32.png) [@Mmoors](https://forums.digi.com/u/Mmoors)\
**Post date:** [September 11, 2010, 5:17pm UTC](https://forums.digi.com/t/how-to-use-cs4/4844/1 "2010-09-11T17:17:28Z")

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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.

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**Author:** ![bobthomas13](https://avatars.discourse-cdn.com/v4/letter/b/958977/32.png) [@bobthomas13](https://forums.digi.com/u/bobthomas13)\
**Post date:** [September 14, 2010, 1:05pm UTC](https://forums.digi.com/t/how-to-use-cs4/4844/2 "2010-09-14T13:05:01Z")

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