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Parallella Community Supercomputing for Everyone 2014-07-04T16:10:37+00:00 https://parallella.org/forums/feed.php?f=12&t=1128 2014-07-04T16:10:37+00:00 2014-07-04T16:10:37+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=9025#p9025 <![CDATA[Re: what about power it by USB]]>
It seems the U13 was the part burning out, and in later runs it was removed completely. If you have a bunch of blank pads and just a smt resistor where U13 is labelled near the USB port the fix is already in place on your board. I still wouldn't power it this way, but this change was specifically implemented to prevent the burnout issue, so I don't think I've hurt anything (i hope!).

Thanks again for bringing a product like this to market. I'm sure it was a herculean effort.

Statistics: Posted by zmc — Fri Jul 04, 2014 4:10 pm

]]> 2014-07-04T12:03:07+00:00 2014-07-04T12:03:07+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=9017#p9017 <![CDATA[Re: what about power it by USB]]>
Regards,

Andrew

Statistics: Posted by 9600 — Fri Jul 04, 2014 12:03 pm

]]> 2014-07-04T10:52:32+00:00 2014-07-04T10:52:32+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=9014#p9014 <![CDATA[Re: what about power it by USB]]> Statistics: Posted by adexmont — Fri Jul 04, 2014 10:52 am

]]> 2014-07-04T10:49:20+00:00 2014-07-04T10:49:20+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=9013#p9013 <![CDATA[Re: what about power it by USB]]> Statistics: Posted by 9600 — Fri Jul 04, 2014 10:49 am

]]> 2014-07-04T10:10:30+00:00 2014-07-04T10:10:30+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=9012#p9012 <![CDATA[Re: what about power it by USB]]> Statistics: Posted by adexmont — Fri Jul 04, 2014 10:10 am

]]> 2014-07-04T08:47:00+00:00 2014-07-04T08:47:00+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=9011#p9011 <![CDATA[Re: what about power it by USB]]> Statistics: Posted by 9600 — Fri Jul 04, 2014 8:47 am

]]> 2014-07-03T22:14:16+00:00 2014-07-03T22:14:16+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=8989#p8989 <![CDATA[Re: what about power it by USB]]>
According to this thread it should be okay to power the board using the usb port near the micro-hdmi connector for "light loads"

However, post: states that this connector (j6) was not designed to handle this amount of load, and it will fry your usb chip if used for extended periods.

According to the posts at the jumper near the barrel power connector, selects if the board is to be powered via the barrel connector or the USB port near it. Shorting the 2 pins closest to the barrel connector selects it, and shorting the 2 pins closest to the Zynq selects power via usb.

Powering the board this way does work, what I'm not sure about is the safety of this method. I hope that I didn't seriously shorten the life of the usb chip powering the board from the wrong end for a day or so. If anyone can confirm or deny this information and to what board revisions it applies to it would be excellent.

Statistics: Posted by zmc — Thu Jul 03, 2014 10:14 pm

]]> 2014-04-25T18:51:54+00:00 2014-04-25T18:51:54+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=7050#p7050 <![CDATA[Re: what about power it by USB]]> However, the USB port just behind RJ45 do not work.
So I can powered it by USB, but I can't connect my keybord on the second USB.
And I can't put a Hub and in the same time plub the keybord and the power.
So I must need find a real DC power.
Over.

Statistics: Posted by Vaguereiz — Fri Apr 25, 2014 6:51 pm

]]> 2014-04-25T15:12:34+00:00 2014-04-25T15:12:34+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=7048#p7048 <![CDATA[Re: what about power it by USB]]> Statistics: Posted by gceline — Fri Apr 25, 2014 3:12 pm

]]> 2014-04-25T14:37:51+00:00 2014-04-25T14:37:51+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=7046#p7046 <![CDATA[Re: what about power it by USB]]> Statistics: Posted by Gravis — Fri Apr 25, 2014 2:37 pm

]]> 2014-04-25T08:51:48+00:00 2014-04-25T08:51:48+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=7042#p7042 <![CDATA[Re: what about power it by USB]]> Statistics: Posted by 9600 — Fri Apr 25, 2014 8:51 am

]]> 2014-04-25T02:29:19+00:00 2014-04-25T02:29:19+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=7036#p7036 <![CDATA[Re: what about power it by USB]]> Statistics: Posted by nmalinoski — Fri Apr 25, 2014 2:29 am

]]> 2014-04-24T20:27:38+00:00 2014-04-24T20:27:38+00:00 https://parallella.org/forums/viewtopic.php?t=1128&p=7031#p7031 <![CDATA[what about power it by USB]]> Statistics: Posted by Vaguereiz — Thu Apr 24, 2014 8:27 pm

]]>