We are currently running a production OS390 V2R10 on a z9 BC.

BUT, we have to do any HCD changes from a z/OS 1.4 lpar with the z990
compatibility ptfs installed.

I do not know about V2R4.

Silvio

On Mon, 1 Oct 2007 10:56:34 -0700, "Rankin, Bob"
<[EMAIL PROTECTED]> said:
> Our production environment is running OS390 V2R4 (9708 PUT). My
> management wants to purchase a Z9 to replace our aging Multiprise 2003-
> 125 and move our existing OS to run on the Z9. While we know that
> OS390 V2R4 has not been certified to run on the Z9, my management
> thinks it possible that it might work anyway. Personally I don't think
> this is feasible but IBM has done stranger things in the past.
>
>
>
> Can anyone out there provide more specific information regarding this
> topic. While I know that there are significant instruction set
> differences, perhaps V2R4 may not encounter them, I don't know.
>
>
>
> Has anyone done this?
>
>
>
> Does anyone know what will happen if we attempt to do this?
>
>
>
> Bob Rankin
>
> City of Portland, Oregon
>
>
>
>
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