<snip> But when I request a particular number of cylinders, some busybody component (sometimes?) adjusts the requested number downward by the ratio of 3380 cylinder size to 3390 cylinder size. </snip>
That certainly sounds like the Default Device Geometry in the SMS Base Configuration. Jack Kelly 202-502-2390 (Office) ---------------------------------------------------------------------- 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