Your main question will the latest product not be able to run older
versions of the OS? True. There is LIC or Licensed Internal Code, that
has been updated for newer hardware. And they won't cobble old code to
support old hardware into newer releases. You can't run Windows 10 on a
dual diskette PC. You can't run DOS 1.0 on the latest laptops.
My questions:
Will your existing machine run anything higher than V5R4? What model is
it? WRKHDWRSC *PRC
See this chart:
http://www-01.ibm.com/support/docview.wss?uid=ssm1platformibmi
Is the vendor getting a 'new' machine, using one they already have, or
trying to buy a used one on the cheap?
Make sure that the platform will run everything from 7.1 to 7.3. I've not
yet heard of a machine which will run 7.3 but won't run 7.1. However
there are machines which will run 7.1 but not 7.3.
http://www-01.ibm.com/support/docview.wss?uid=ssm1platformibmi
Even though you are skipping 6.1 it is imperative you CLOSELY read the 6.1
version of the Memo To Users (MTU)
http://www.ibm.com/support/knowledgecenter/ssw_ibm_i_61/rzahg/rzahgmtu.htm?lang=en-us
Read the 7.1 MTU closely
http://www.ibm.com/support/knowledgecenter/ssw_ibm_i_71/rzahg/rzahgmtu.htm?lang=en-us
Especially (but not exclusively!) the part about ANZOBJCVN.
Rob Berendt
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