More... Re: VS4000 hardware questions

From: Michael Schneider <ms_at_silke.rt.schwaben.de>
Date: Tue Dec 25 13:34:45 2001

No, really, that's not odd. The output drivers of your terminals serial
line short the transmit line (which is your VAXens receive line) to
ground when powered off. This is interpreted as a BREAK, which, by
definition, is the "if-all-else-fails"-signal to halt the CPU, whatever
it might be doing.

ms


On Tue, 2001-12-25 at 00:44, Doc wrote:
> On 24 Dec 2001, Michael Schneider wrote:
>
> > Disconnect your terminal.
> > As a proof, this email is sent to the list via my 4000/60, running
> > NetBSD without a console terminal attached. (Some proof, i know ... 8-)
> > The 4000/vlc works just as well.
> >
> > To get the 4000/60 autobooting you have to have
> >
> > SET BOOT dka0 (or whatever your system disk is)
> > SET HALT 1
> > SET BFLG 0
>
> It works. :^)
> The "disconnect your terminal" part was the thing. I find it odd that
> the box won't even finish power-up diags if the terminal is connected
> and turned off.
>
> Doc
>
>
-- 
Michael Schneider                       email: ms_at_vaxcluster.de
Germany                                  http://www.vaxcluster.de
            People disagree with me.  I just ignore them.
                         (Linus Torvalds)
Received on Tue Dec 25 2001 - 13:34:45 GMT

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:33:41 BST