Dan,

thanks for the explanation. I've marked order code 20 as unavailable.

Thanks also for your answers to my other posts.

Kind regards, and do enjoy your retirement!
Abe
===


Op 24-9-2017 om 0:27 schreef Dan Greiner:
> One of the unpleasant attributes of the software with which the PoO is 
> rendered (Adobe FrameMaker) is that it occasionally gets its knickers tied in 
> a knot rendering two-column material. This is the case in programming-note 1 
> on page 10-184.  For an instruction description, programming notes usually 
> follow the description of any program exceptions. FrameMaker somehow got it 
> into its head that there was a page-wide text break immediately above the 
> programming notes, thus it began rendering the notes in the left column.  
> PN#1 actually continues immediately to the right, under the list of program 
> exceptions.  (This has been a known FM bug for over 10 years; but, as with 
> many software vendors, there's little money to be made in fixing bugs.)
>
> Regarding SIGP order code 20 (0x14): As I recall, this is used only by the 
> LPAR hypervisor, and should not have appeared in the external PoO. Since I'm 
> now retired, I don't have access to the internal stuff any more, but I don't 
> believe order code 20 is available to a logical partition or virtual machine. 
> So, don't sweat it.
>

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