On 40TB main memory now, so only 20,480 x since 1999 intro of 64 in 24 years.
Of course ¿ESA? did create access registers that point to 4K pages instead of bytes, so 8/16 TB was possible. On Tue, Aug 1, 2023, 14:54 Steve Thompson <[email protected]> wrote: > How about we change from Mainframe to zFrame? > > Yeah, I know, then when IBM comes up with a new Architecture... > How long will it take to need > 64bit addressing? > > Steve Thompson > > On 8/1/2023 3:44 PM, Phil Smith III wrote: > > Jon Perryman wrote: > >> The last Fujitsu mainframe is scheduled for 2030 and dropping all > >> support by 2035. Honeywell Bull GCOS and Unisys OS 2200 and MCP are > >> now x86 based. Are these mainframes or are they PCs? > > PCframes? mainCs? It is hard to define rigorously, but as someone else > quoted SCOTUS, "I know it when I see it". > > > > In common use, I'd argue (not very vociferously, I admit) that only IBM > machines-and maybe Fujitsus-are really mainframes: The others are just very > large computers. But this may be due entirely by the fact that I have to > explain to sales reps on a regular basis that our z/OS support means IBM > machines, not Unisys or whatever! > > > > > > ---------------------------------------------------------------------- > > 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 > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
