Dual Address Space support is not mentioned anywhere... http://www.bitsavers.org/pdf/ibm/3033/GA22-7060-3_3033_FuncChar_Jan79.pdf
Joe On Sun, Jan 3, 2021 at 4:14 PM WILLIAM H BLAIR <[email protected]> wrote: > | Does anybody remember the first models to support > | Dual Address Space for MVS/SP Version 1? I'd like > | to add that to the wiki [[IBM System/370]] article. > > In hardware, it was the 3033 (as well as the 3042 Attached Processor), as > well as a hardware assist MES for the 3031. It was also, of course, also > supported on the 3081 (and all processor models thereafter).If I remember > correctly, this support was not offered for the 3032 in any form. > > For additional information, refer to: > http://www.computinghistory.org.uk/downloads/8823 > on page 114. > > In software, it was supported on any System/370. The ABENDs were > intercepted by FLIH and the unsupported instructions and control registers > emulated. > > This worked on my 370/158 at the time (1980). > > -- > William Blair > Sugar Land TX > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
