<html><head></head><body>Using a powered splitter / switch should solve the issue for you, as they tend to include level shifting themselves.<br><br><div class="gmail_quote">On November 25, 2015 11:27:12 AM MST, Trevor Woerner <twoerner@gmail.com> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">On 11/24/15 16:49, Leigh Gawne wrote:<br /><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;"><br /> The Minnowboard A2 rev has a hardware issue with missing level<br /> shifters so the HDMI output is not compliant, which is a problem for<br /> some monitors. I had big problems with this which I could only resolve<br /> using an external level shifter.</blockquote><br /><br />Googling around and including the phrase "level shifter" lead me to:<br /><br /><a href="http://wiki.minnowboard.org/MinnowBoard_MAX#Weak_HDMI_signal_causing_some_monitors_to_not_work">http://wiki.minnowboard.org/MinnowBoard_MAX#Weak_HDMI_signal_causing_some_monitors_to_not_work</a><br /><a href="https://bugzilla.yoctoproject.org/show_bug.cgi?id=7027">https://bugzilla.yoctoproject.org/show_bug.cgi?id=7027</a><br /><br />Thanks for the tip! As it turns out, I'm using a passive HDMI splitter:<br /><br /><a
href="http://www.amazon.ca/Portta-PET0301D-Switch-1-5-Feet-Support/dp/B0030AZ44O/ref=sr_1_3?s=electronics&ie=UTF8&qid=1448475845&sr=1-3&keywords=hdmi+splitter">http://www.amazon.ca/Portta-PET0301D-Switch-1-5-Feet-Support/dp/B0030AZ44O/ref=sr_1_3?s=electronics&ie=UTF8&qid=1448475845&sr=1-3&keywords=hdmi+splitter</a><br /><br />and it's causing me issues. If I plug my MinnowBoardMAX directly into my<br />monitor, then apply power to the board, the HDMI works fine. I'm still<br />curious to know how others are solving this issue with the level<br />shifters, it would be nice to be able to continue using my splitter (or<br />maybe a powered splitter?).<br /><br />Best regards,<br /> Trevor<br /><hr /><br />elinux-MinnowBoard mailing list<br />elinux-MinnowBoard@lists.elinux.org<br /><a href="http://lists.elinux.org/mailman/listinfo/elinux-minnowboard">http://lists.elinux.org/mailman/listinfo/elinux-minnowboard</a><br /><br
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