On Monday, 12/14/2009 at 01:24 EST, Alan Ackerman <[email protected]> wrote: > I'm sorry, Sir Alan, but there really were "AP" (Attached Processor) mode > ls in which the base > processor could do I/O and the attached processor could not. the IBM 3033 > AP was one such > model. See http://www-03.ibm.com/ibm/history/exhibits/3033/3033_TR03.html > , for example.
To quote from the same article: "The 3033 host processor incorporates up to 16 data communication channels, which are used by both processors to reach the system's peripheral devices -- printers and displays, for example. Control of these channels may be switched from the host to the attached processor." Sir Alan, this seems to contradict you and support my statement, but I will grant you that it is IBM-speak and may not mean precisely what it says. :-) > No doubt this was before you were born. I wish. Then my joints wouldn't ache so much... ;-) Alan Altmark z/VM Development IBM Endicott
