[rescue] Help with Sun 3's

Mike Loewen mloewen at cpumagic.scol.pa.us
Mon Dec 24 15:04:58 CST 2018

    The Sun 3/60 Installation Manual is on Bitsavers:


    It lists the diagnostic LED patterns and serial port (DTE) pinouts.  I 
didn't see anything there about a serial console, but I haven't actually 
worked with a 3/60 since 1990.

On Mon, 24 Dec 2018, Peter Stokes wrote:

> Hi Daniel
> As far as the serial port is concerned, I think mouse has it covered, always a
> pain unless you have a known working cable.
> Not sure if the old handbook with all the docs for the Sun 3s and diag info
> for the lights is available online. I know the 3s were deleted from the paper
> handbook at some point. If you need any scans of them, I could do it, but
> hoping some are already online (anyone know?).
> Peter
> Sent from my iPad
>> On 24 Dec 2018, at 14:30, Daniel Salive <two32 at hotmail.com> wrote:
>> Hey guys!  New here.  Recently acquired a few sun 3's (mostly 3/60's, but
> some
>> 3/50's and a 3/110) and can't get any of them to boot.
>> I've tried both with a monitor and with a serial terminal using a 25 pin to
> 9
>> pin  null modem cable and then a 9 to 25 adapter so I had 25 on both ends.
>> I have many to pick from, and most of them were known to be working when
> taken
>> out of service, though that was likely 20 years ago.  I've opened them up
> and
>> looked inside and the majority of them have no obvious internal problems.
>> I have never used a sun 3 before, and rarely used other UNIX stuff, so all
>> this is new to me.
>> Most of them have all the red LED lights light up on the back, though a few
>> only light up 3 (which 3 I forget, though I can look into it more when I
> try
>> again).  But no output to either the monitor or the serial terminal.
>> I waited a long time to see if systems would come up, but still nothing.
>> Any ideas what could be wrong here?
>> _______________________________________________
>> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
> _______________________________________________
> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue

Mike Loewen				mloewen at cpumagic.scol.pa.us
Old Technology				http://q7.neurotica.com/Oldtech/

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