> It actually does protect against errors on access, but support is optional. Can you explain how exactly the on-die ECC capability can help protect data in tr

> It actually does protect against errors on access, but support is optional. Can you explain how exactly the on-die ECC capability can help protect data in transit? What is the optional functionality you're referring to, if not the traditional sideband ECC achieved by adding another chip's worth of data lines to every channel?