[Info-vax] Tertiary VMB?

[johnwallace4 at yahoo.co.uk]

On Jan 13, 8:35 pm, gerr... at no.spam.mail.com wrote:
> On Tue, 13 Jan 2009 06:54:27 -0500, JF Mezei <jfmezei.spam... at vaxination.ca>
> wrote:
>
> > Just did a search of [vms$common...]*.exe tertiary_vmb.exe and got:
> > %SEARCH-I-NOMATCHES, no strings matched
>
> I did that too, but then I realized that the MOP request which would
> eventually start a downline load of TERTIARY_VMB.EXE would be probably encoded
> in the request packet with something as little as a single bit, i.e. the
> request packet would not contain the actual file name, but something with a
> meaning of "send me whatever tertiary loader you have been told to send me."
>
> > Perhaps this was a leftover from older versions of VMS ?
>
> I don't think so because references to TERTIARY_VMB.EXE can be found in
> V7.3-revised manuals and that file is actually present both in distribution
> media and patches for current releases such as OpenVMS VAX V7.3.
>
> > I have version 4.4 of the VAX/VMS Iternals and Data Structures, and it
> > doesn't have any entry for tertiary_vmb nor NCSCS_LOAD.EXE . And the
> > section about VMB.EXE doesn't mention the tertiary either.
>
> I have both V4.4 and V5.2 IDSMs. Only the latter has a little paragraph about
> NISCS_LOAD. Instead, neither one has anything about TERTIARY_VMB...
>
> Thanks,
> G.

Were LAVCs (and hence NISCS_LOAD) present, supported, and documented
in 4.4 or was it a bit later than that (eg maybe 4.5/4.6/4.7)???