The engines are firmware engined to be an IFL or a zOS engine 

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> On Jun 8, 2023, at 18:39, John McKown <john.archie.mck...@gmail.com> wrote:
> 
> Z/OS runs a DIAGNOSE instruction with a function code which, on the
> LinuxOne, fails. Which results in z/OS loading a hard wait.
> 
> All of the CPs in a z box are identical in a basic hardware sense. But they
> load different firmware which defines whether they are a general CPU or a
> SAP or an IFL or ...
> 
>> On Thu, Jun 8, 2023, 18:34 Lennie Dymoke-Bradshaw <
>> 0000032fff1be9b4-dmarc-requ...@listserv.ua.edu> wrote:
>> 
>> Can someone please explain what IBM have done on the LinuxOne machines to
>> stop them running z/OS?
>> 
>> I ask out of curiosity only.
>> 
>> 
>> 
>> Lennie Dymoke-Bradshaw
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
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