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Re: SparcStation 4 serial console



On Mon, 27 May 2024 at 15:59, Riccardo Mottola
<riccardo.mottola%libero.it@localhost> wrote:
>
> Hi,
>
> I want to upgrade my SparcStation 4, so I need serial console access.
>
> I have a contraption of Sun Y Cable, adapter, gender-changer, null-modem
> cable to DB9 that works with SS10 and SS20 and a ThinkCentre PC with
> minicom.
> I
>   literally disconnect it one end the SS20 put it in the SS4 and nothing
> shows.
> The system boots and I can telnet into it!
>
> Off-head any clues about what could be wrong? different between SS4 and
> the SS10/SS20?

Hardware flow control? The old Sun FAQ should mention it if anything
is special on the SS4.

Could there be anything set in OpenFirmware to lock the console to framebuffer?

David


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