Thompson, Steve wrote:
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Edward Jaffe
Sent: Friday, February 09, 2007 1:23 PM
To: [email protected]
Subject: Re: Running OS/390 on z9 BC
<SNIP>
OS/390 V2R10 was the first operating system release to support the
2-level TLB implemented on z990/z890 and higher processors. It's no
surprise that OS/390 V2R9 has problems on these machines. But, that
doesn't prove OS/390 V2R10 won't work.
I agree z/VM will hide most of the incompatibilities.
<SNIP>
The original question was: "...if OS/390 1.3 will run on a z9 BC as well
as it does on a Multiprise 2003/103.".
You're right! I got caught up in the later posts and missed the original
point of the thread entirely.
FWIW, I tried IPLing a totally *unmaintained* z/OS V1R1 system under a
fully maintained z/VM 4.4 on our z9BC and it loaded a wait state code.
The same system had previously been working on a z800 machine. My oldest
system right now is OS/390 V2R8 running under VM/ESA on a final
generation P/390 system.
--
Edward E Jaffe
Phoenix Software International, Inc
5200 W Century Blvd, Suite 800
Los Angeles, CA 90045
310-338-0400 x318
[EMAIL PROTECTED]
http://www.phoenixsoftware.com/
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