[pups] Problems booting PDP11/40 using vtserver

[kdavis@ndx.net (Kirk B. Davis)]

Hmm, tricky. If you send me the 11/40, I'll have look for you :-)

Kirk

> Hi there,
> 
> I have my PDP11/40 connected to a MicroVAX 2 (running NetBSD/vax
> 1.5.2) via serial line and want to boot a 2.9BSD or 2.11BSD using 
the
> vtserver software.
> When I toggle in vtserver's boot code, the first file is being loaded
> correctly by the PDP. Then, following the instructions in vtserver
> documentation, the serial line should be used as a serial console - 
and
> some text should appear! And this is the problem: I don't get any
> output.
> 
> When manually sending characters from the PDP, there is no 
problem.
> I've set the serial line characteristics to:
> Speed 2400, Character Size 8, Modem Control enabled, and RTS/
CTS flow
> control disabled. (I've changed these characteristics in many ways 
with
> stty, but still no success...)
> Using a break-out-box, I switched RTS/CTS and DTR/CTS flow 
control on
> and off, forced the CTS line to be on, etc., but it still didn't work.
> After successfully loading the bootloader via vtserver, the PDP's 
CPU
> goes into an endless loop.
> 
> So, my question: Does anybody know what's going wrong here?
> 
> Thanks in advance - Michi
> 
> 
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