On Thu, Aug 6, 2015 at 12:41 PM, Guy Sotomayor <g...@shiresoft.com> wrote: > Back to the MP 3000. There are a number of CPUs in the box. Two are the > most > obvious: the SBC running OS/2 and the actual S/390 CPU. However, there is > another > S/390 CPU in the box as well. It is not visible (at least directly) to S/W. > It is responsible > for providing the high performance I/O capabilities (like native disk access > and making > them appear as conventional channel attached devices instead of RAID-5 SSA > drives). > The OS/2 SBC is there to emulate some of the slower devices (card > reader/punch, > direct attached 3270s, etc).
So the OS/2 computer is actually a component of the mainframe's control processor, not a separate PC?
