On the machine I have here, that's a square shaped, digital out port.
There's no light on it or the similar looking port below it. But then,
I don't have anything that uses those ports, so do not know if they work
or not... Guess I can't be of help here. Since I built this machine
from parts of others that were trashed in various ways, so its possible
that those ports do not work on this machine. What sort of cable or
device hooks to those ports? If I knew, and had one, then I could check
to see if they work?
Kris Tilford
November 1, 2011 8:16 PM
No. It's the optical audio port on the back. It's the 3rd port down
from the top, just beneath the Airport & Bluetooth antenna ports. It
says "out" beside it. It should be faintly red all the time.
Jack Countryman
November 1, 2011 8:12 PM
On my dual 2.7 here, the only external light that's on when running is
the one near the power switch. I don't see any lights around the
optical drive. Which light is it that is always on for you on your dual
2.7 machines? Somewhere inside the machine?
Valter Prahlad
November 1, 2011 7:22 PM
I have a G5 2.7 DP, and the red optical light is always on.
But I got it used, so I don't know if this is the default.
The audio output works fine, thou.
Both internal speaker, rear audio port (3,5mm), and front audio port.
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