While I was reading about memory architecture from the CMSC 22200's Lecture 17 of University of Chicago, I got stuck on determining the meaning of the word "CS" used for describing a bus as part of memory channel:

Memory Channel architecture brief description

However I didn't find any additional source pointing out that bus. And furthermore, I found on different reference that:

The memory channel is made up of a data bus and an address/comm and bus.

So, I don't know from where they got the information about the "CS bus"? And what is it exactly?


I think it is the "Chip Select" part which is mentioned at slide 26.

It probably selects whether to use the chip on the front or in the back.


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