In <m3iqcgkcqb....@garlic.com>, on 12/08/2009 at 11:11 PM, Anne & Lynn Wheeler <l...@garlic.com> said:
>for the 3090 service processor ... it started out with 4331 running a >highly customized version of vm370 release6 ITYM VM/SP R6; I don't believe that IBM was still using VMF/370 (free VM) internally by the time the 3090 came out. >DOS/VS was for virtual storage. 370 was initially announced w/o virtual >memory (just a few new instructions, TOD-clock, a few other things). But there were strong indications that the 370/145 had paging. The implementation of the DOS Emulator Feature only made sense if the hardware was designed for paging. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see <http://patriot.net/~shmuel/resume/brief.html> We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) ---------------------------------------------------------------------- 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