The Principles of Operation is very clear on the characteristics of where instructions and data are fetched for all of the ASC modes.
Instructions are fetched ffrom home, data from home. Peter Relson z/OS Core Technology Design ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html