Hi,

I don't know any specifics about z/OS 1.4, but I believe OSA-Express QDIO
support
was implemented before HiperSockets.  Maybe somebody on the list with z/OS
experience
can address that question.

You mention that you have an exec doing the DEFINE NIC and COUPLE in the
guest
(would that be ZOSPROD?)

If you have to have a predictable CHPID for your virtual NIC (and you do
for the z/OS
guest) then add the CHPID 03 option to the DEFINE NIC command issued by
ZOSPROD.

For example you could have the following commands in the PROFILE EXEC of
ZOSPROD:

      CP DEFINE E100 DEV 8 CHPID 03
      CP COUPLE E100 TO SYSTEM HSLAN

When you LOGON ZOSPROD, and IPL CMS, these statements in your PROFILE EXEC
would be executed automatically to create the virtual NIC and COUPLE from
ZOSPROD.

You could issue CP DISPLAY SCHIB ALL at this point to see that CHPID 03 is
being
used by your virtual NIC.

Then (from ZOSPROD) you can IPL the z/OS operating system.  By doing the
DEFINE
and COUPLE before starting z/OS you would eliminate the possibility of
confusion from
dynamically adding the adapter.


Regards,
Dennis Musselwhite ([EMAIL PROTECTED])
IBM z/VM Development -- CP Network Simulation

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