On Friday, 11/07/2003 at 07:32 CST, "McKown, John" <[EMAIL PROTECTED]> wrote: > Alan, > Do you know why IBM did this? Just curious since it seems so strange to > disable a "coprocessor" function in this manner.
It was a side effect of basing IFLs on Coupling Facility engines. Part of the h/w sees them as IFL, the other sees them as CF. CFs can't have crypto. I'm investigating whether there was a change to PCICA attachment to IFLs and, if so, when it happened. I.e. if it was model- or machine-specific. Alan Altmark Sr. Software Engineer IBM z/VM Development
