SGI O2 boots and plays chime but VGA output is all black

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Dec 13, 2017, 9:04:52 AM12/13/17

So finally got a SGI O2 a machine some when i was young.. ;)
the issue is that the machine i have does boot and playes the little chime after boot but the no matter the screen i plug it in to shows an output.
the monitors i have tried it on does register that there is a signal but the screen is black

what am i missing ? or is there something special regarding screens i have to be aware of.


John-Paul Stewart

Dec 13, 2017, 11:12:51 AM12/13/17
The system might be set to use a serial console. Try connecting a null
modem cable between the O2 and another machine (PC, Mac, Linux, whatever
you have handy) running a terminal emulator and see what that says. You
may find an error message about failed graphics causing it to fall back
to a serial console or maybe that it's configured for one regardless.

If you haven't already, check out both and
the wiki there for more info about diagnosing and fixing SGI systems.
Those forums are much more active than this newsgroup. I have several
SGIs but I don't have any hands-on experience with an O2. So,
unfortunately, I can't offer any more advice than that.

Good luck!


Dec 14, 2017, 1:28:36 AM12/14/17
So after looking around a bit. I found that yes i need to remember to have a keyboard plugged in as well as have an ethernet cable plugged in.

All working now just have to find a PS2 mouse ;)
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