>3033 and 3081 in 370 mode were 24bit 16mbyte) addressing (real & virtual).
We had 40M on our 3081 in 370 mode. Virtual was 16, but the OS could use the extra 24M, not as efficiently as XA, but it was used. - Too busy driving to stop for gas! ---------------------------------------------------------------------- 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