[rescue] tip between 2 Ultra 2's

John Williams teecee50 at pacbell.net
Fri Oct 1 00:25:29 CDT 2004


    "tip -9600 /dev/term/a"   is the command you are looking for.

    I have a serial cable with a null modem adaptor running between a U2
and an E6500.


Patrick Giagnocavo wrote:

> OK, help is needed here.
> I have 2 Ultra 2's; one is known good, working condition.  The other I
> just received and have been trying to get a prompt on.
> First, I stuck a normal SBus CG6 or whatnot in, attached monitor and
> keyboard, and pressed the power switch.  Waited, nothing appeared on
> screen.
> Second, I removed the SBus card and inserted a known-good Creator in
> the UPA slot.  Booted; got nothing.
> Third, I thought, well, maybe the PROM is set to only send output to
> ttya... so I have connected ttya on the working U2 to ttya on the
> suspect U2.
> I am using the command "tip tip9600 /dev/cua/a" - is that the correct
> command?
> I have check the motherboard jumpers on both systems and they are both
> set the same (default position for RS432 signaling).
> I have tried both with and without a null modem connector.
> What is the proper setup, and what should I do next?
> --Patrick
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