> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Rich Smrcina
>
> Technically, isn't that a 'virtual' hole?
No, it's "real" in the sense that any program that tries to address
anything in that space will incur a S0C4 interruption. Peter Relson
explained why a few (dozen) posts ago.
-jc-
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