[Bug 75491] Radeon HD7750 no Monitors connected

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Mar 3 07:19:00 PST 2014


https://bugs.freedesktop.org/show_bug.cgi?id=75491

--- Comment #8 from Eric Grüttefien <freedesktop at donewell.de> ---
> Maybe they are too cheap and don't properly connect the ddc wires or pull
> the right pins down. 

I've open one cable you seem be right. DDC alias AUX CH+/- seems not to be
connected. 

Cable Adaptor Detect alias Config 1 I' have still to check.

They are passive ones using a NPX/Phillips PTN3361B level shifter.

I will fix the cable and report back.

Thank you very much for the hint.

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