<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">It also happened to me. I had a combined 5V and 12 V poor supply that I connected to a experiment board. From that board I fed Minnowboard Max with 5V and a mini HDMI monitor with 12V. However, the yellow cable from the power supply was 5V and the red 12V, so they got the wrong voltage and my Minnowboard Max was smoked.<div class=""><br class=""></div><div class="">As the power supply had a black, red and yellow cable I took for granted that they were following the standard. It was an expensive lesson to always measure first before connecting.</div><div class=""><br class=""></div><div class="">Best regards,</div><div class=""><br class=""></div><div class="">B-O Bergman</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">21 jul 2015 kl. 17:44 skrev Gerard Bucas <<a href="mailto:gerard.b@tekmagic.net" class="">gerard.b@tekmagic.net</a>>:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="content-type" content="text/html; charset=utf-8" class=""><div dir="auto" class=""><div class="">The same symptoms are exhibited when you insert a 12V power supply by accident!! I have done that with 3 different minnowMAX boards and had to replace U35 to fix them. </div><div class=""><br class=""></div><div class="">Hope this helps!</div><div class=""><br class=""></div><div class="">Gerard</div><div class=""><br class=""><br class=""></div><div class=""><br class="">On Jul 21, 2015, at 5:39 PM, Matthew J Blandin <<a href="mailto:hbbs10@gmail.com" class="">hbbs10@gmail.com</a>> wrote:<br class=""><br class=""></div><blockquote type="cite" class=""><div class=""><div dir="ltr" class="">Before I go into trying to get it re-flashed either by CiruitCo or by getting the DediProg, could this potentially be a symptom of not enough power? Originally I got a power supply, but somehow confused myself and bought the wrong one, so I've been supplementing a 5V 1A power adapter that I had laying around until I get the correct power adapter that supplies enough Amperage.<div class=""><br class=""></div><div class="">Thanks,</div><div class="">-Matt</div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Tue, Jul 21, 2015 at 10:49 AM, Eric owens <span dir="ltr" class=""><<a href="mailto:ericolv@cox.net" target="_blank" class="">ericolv@cox.net</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class=""><div class=""><div style="font-family:Calibri,sans-serif;font-size:11pt" class="">The same thing happened to me.  I had to get an RMA from CircuitCo, shippped it back and they reflashed it.  They charged me to get it shipped back (another topic).      To do this yourself, you need a Dediprog SF100 spi programmer $230.</div></div><div dir="ltr" class=""><hr class=""><span style="font-family:Calibri,sans-serif;font-size:11pt;font-weight:bold" class="">From: </span><span style="font-family:Calibri,sans-serif;font-size:11pt" class=""><a href="mailto:hbbs10@gmail.com" target="_blank" class="">Matthew J Blandin</a></span><br class=""><span style="font-family:Calibri,sans-serif;font-size:11pt;font-weight:bold" class="">Sent: </span><span style="font-family:Calibri,sans-serif;font-size:11pt" class="">‎7/‎21/‎2015 7:23 AM</span><br class=""><span style="font-family:Calibri,sans-serif;font-size:11pt;font-weight:bold" class="">To: </span><span style="font-family:Calibri,sans-serif;font-size:11pt" class=""><a href="mailto:elinux-minnowboard@lists.elinux.org" target="_blank" class="">MinnowBoard Development and Community Discussion</a></span><br class=""><span style="font-family:Calibri,sans-serif;font-size:11pt;font-weight:bold" class="">Subject: </span><span style="font-family:Calibri,sans-serif;font-size:11pt" class="">Re: [MinnowBoard] New Board not Video Output</span><br class=""><br class=""></div><span class=""><div dir="ltr" class="">Thank you all for the quick replies. Where might I get an SP1 programmer?<div class=""><br class=""></div><div class="">Thanks,</div><div class="">-Matt</div><div class=""><br class=""></div></div></span><div class="gmail_extra"><br class=""><div class="gmail_quote"><span class="">On Tue, Jul 21, 2015 at 2:44 AM, Berth-Olof Bergman <span dir="ltr" class=""><<a href="mailto:bo.bergman@winzenttech.com" target="_blank" class="">bo.bergman@winzenttech.com</a>></span> wrote:<br class=""></span><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><span class="">Hi,<br class="">
<br class="">
I think the firmware are not present or faulty, as you should have 2 LEDs lighting. It looks like this if you have a empty SPI flash.<br class="">
<br class="">
Best regards,<br class="">
<br class="">
B-O Bergman<br class="">
</span><div class=""><div class=""><br class="">
<br class="">
> 20 jul 2015 kl. 22:13 skrev Bill Traynor <<a href="mailto:btraynor@gmail.com" target="_blank" class="">btraynor@gmail.com</a>>:<span class=""><br class="">
><br class="">
> On Mon, Jul 20, 2015 at 4:08 PM, Matthew J Blandin <<a href="mailto:hbbs10@gmail.com" target="_blank" class="">hbbs10@gmail.com</a>> wrote:<br class="">
>> Hello,<br class="">
>><br class="">
>> I have just received my Minnowboard Max. Currently, I only have an empty<br class="">
>> micro SD card, however, I am under the impression that when powered up it<br class="">
>> will default to the UEFI command line. When powered and plugged into and<br class="">
>> HDMI compatible screen, the screen says that it is not receiving any video<br class="">
>> input from the HDMI cable and goes into power saving. The board itself has<br class="">
>> only one LED light up (the LED closest to the switch). Does anyone know what<br class="">
>> is causing the problem?<br class="">
><br class=""></span>
> <a href="http://elinux.org/Minnowboard:MinnowMax#Known_Issues" rel="noreferrer" target="_blank" class="">http://elinux.org/Minnowboard:MinnowMax#Known_Issues</a><span class=""><br class="">
><br class="">
> I've had this occur with a faulty hdmi cable as well.<br class="">
><br class="">
>><br class="">
>> Thanks,<br class="">
>> -Matt B<br class="">
>><br class="">
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