In your case, the storage that you were attempting to modify was at primary
zero.

To alter low addresses you would also have to reset CR0 bit 35.

On Wed, 16 Oct 2013 07:56:47 -0400 Micheal Butz <[email protected]>
wrote:

:>Hi
:>
:>As I am in the middle of debugging my TSO command processor code
:>
:>I just want to re-iterate reason code 4 associated with a S0C4
:>
:>When the PSW key bits 8 - 11 don't match the 4K storage key
:>
:>What is meant by not matching is if the PSW storage key is higher than 
:>The storage key
:>
:>A program in PSW storage key 0 
:>
:>Can access subpool 0 which is always key 8
:>
:>Thank you everyone for your help

--
Binyamin Dissen <[email protected]>
http://www.dissensoftware.com

Director, Dissen Software, Bar & Grill - Israel


Should you use the mailblocks package and expect a response from me,
you should preauthorize the dissensoftware.com domain.

I very rarely bother responding to challenge/response systems,
especially those from irresponsible companies.

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