On Mon, 28 Oct 2002 15:12:52 -0500, Adam Thornton
<[EMAIL PROTECTED]> wrote:

>On Mon, Oct 28, 2002 at 12:56:08PM -0600, Ward, Garry wrote:
>> Not to mention, every time I've seen or used CMS, it has been under VM,
>> not in an LPAR by itself. I don't think CMS can run native in an LPAR.
>
>Hasn't been able to since CMS v3.  Head over to alt.folklore.computers
>and ask Lynn Wheeler about it.  Basically, CMS uses a VM DIAGNOSE to do
>its I/O, rather than talking to the metal (or, at least, the emulated
>metal provides a function the physical metal doesn't).
>
>Although it *might* be able to under Hercules.  I remember way back in
>the 1.54 days or so that some of the DIAGNOSE instructions were being
>put into the instruction set so that CMS could run "native" on Herc.  I
>don't know if that was ever completed though.

Very early CMSes, back in CP/67 days could run standalone. A good way
to do maintenance, I have been told... like booting into DOS and
fiddling with a Windows system.

john alvord

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