On Wed, 17 Mar 2021 14:53:36 -0400, Brian Chapman wrote:

>I may need wrong, but I seem to remember reading that the 12 bit lower
>order value had some relation to the processor ID. This ensured the STCK
>value would be unique across the sysplex.
>
The patent is no help: https://patents.justia.com/patent/20030101365

It never states, but one might infer that the high-order byte of ETOD
might be incremented (by software?) when the clock wraps.


>On Wed, Mar 17, 2021, 1:55 PM Farley, Peter x23353 wrote:
>
>> But is it documented anywhere?  PoOP is silent on the value of the field.
>> 
RCF needed.

-- gil

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO IBM-MAIN

Reply via email to