OK, I know I am asking lots of questions. Sorry but ... Does the X15 RevC need an **isolated** power supply? If not, did any rev?
---- The TI GPEVM says that you need an "isolated" power supply. [1] I don't see any such statement on the X15 wiki or UG. [2] I bought the power supply recommended by the Digikey website which is VEC65US12. This is one of the recommendations of the eLInux x15 wiki page. With the power supply disconnected, I measure continuity from the AC ground plug to the outside barrel of the 12V connector. To me this means it is not isolated. Is my definition of isolated correct? [1] http://processors.wiki.ti.com/index.php/AM572x_GP_EVM_Hardware_Setup [2] http://elinux.org/Beagleboard:BeagleBoard-X15 ---- I would be happy to update the eLinux wiki with your answers to these questions if I am allowed. On Sun, Sep 3, 2017 at 7:27 PM, Gerald Coley <[email protected]> wrote: > The market picks it. We typically use what we can buy. It can change from > one production build to the next. > > > > This happens all the time on the Hardware world. That is why the SW has to > be ready to handle all of them. > > > > Gerald > > > > *From:* [email protected] [mailto:[email protected]] > *On Behalf Of *William A. Mills > *Sent:* Sunday, September 3, 2017 3:32 PM > *To:* beagleboard <[email protected]> > *Subject:* Re: [beagleboard] BB-X15 Rev C Schematics & ewiki update? > > > > Thanks Gerald. I did find the change sheet after a bit. > > > > When you have alternatives like the Kingston vs Micron for eMMC and DDR > parts, who picks which one is used? The manufacturer (PTI)? Can it change > from one production run to another? Or do you dictate when that happens > and potentially give it a new RevC3 etc? > > > > Thanks, > > Bill > > > > On Sun, Sep 3, 2017 at 2:00 PM, Gerald Coley <[email protected]> > wrote: > > The BOM has a revision page with the changes for each revision. We addd > some new par tnumbers for some alternate sources due to some obsolete parts > a while back. But that was it. Nothing in the design itself changed. > > > > > > *From:* [email protected] [mailto:[email protected]] > *On Behalf Of *William A. Mills > *Sent:* Sunday, September 3, 2017 12:11 PM > *To:* beagleboard <[email protected]> > *Subject:* Re: [beagleboard] BB-X15 Rev C Schematics & ewiki update? > > > > Gerald, > > > > Thanks. If that is all it is, then no hurry on the Rev C schematics. > Jason can just put a note on the wiki &| the github files stating as much. > > > > I am currently trying to diff the BOMs. diff is useless so it looks like > I will have to write a script. > > > > Thanks, > > Bill > > > > > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/beagleboard/CACgK%2BxnCg6ZCbzWwEs1pL6j8Nq599skMx > 6FVdiv9y%3Dg5YszVQQ%40mail.gmail.com > <https://groups.google.com/d/msgid/beagleboard/CACgK%2BxnCg6ZCbzWwEs1pL6j8Nq599skMx6FVdiv9y%3Dg5YszVQQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/beagleboard/0b53f6b6aa50462aad98dbfb884f0a > de%40winhexbeus11.winus.mail > <https://groups.google.com/d/msgid/beagleboard/0b53f6b6aa50462aad98dbfb884f0ade%40winhexbeus11.winus.mail?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/beagleboard/CACgK%2Bx%3DPCVbd_GA2tN_LhouPumPfA7hqGYMyfyrXSDobN7kxj > g%40mail.gmail.com > <https://groups.google.com/d/msgid/beagleboard/CACgK%2Bx%3DPCVbd_GA2tN_LhouPumPfA7hqGYMyfyrXSDobN7kxjg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/beagleboard/bbacc34d53d1410b91fcec73628f51 > 09%40winhexbeus11.winus.mail > <https://groups.google.com/d/msgid/beagleboard/bbacc34d53d1410b91fcec73628f5109%40winhexbeus11.winus.mail?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CACgK%2Bxk_tNLGNKog_rL%3D3bnAmtWbAo8WNd9vKxtAhmQ%2BK2iJTQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
