Funded! This project was successfully funded on October 27, 2012.

Update #43

The Parallella is feeling blue..

24 comments
67 likes

The fabs are back and as you can see we have made a late change to the look of the Parallella board. It's now blue! Interestingly enough I don't think the question of color ever came up once during the last year. Hopefully most of you won't mind the change. Designer's choice:-)

The changes made to this RevC board (or Gen 1.1) include;

  • Fixed HDMI wiring issue
  • Made the USB port host-mode only as default build option
  • Removed flaky mechanical jumper for 5V mounting hole power feed
  • Added more ground vias for improved thermal performance
  • Changed Tantalum caps to ceramic caps to avoid material procurement issues

The new board sources can be found HERE.

Here are the 200 fabs about to be sent off to the local contract manufacturer this morning for final assembly. Expecting the first boards to come off the line in 5-7 business days if there are no issues. Fingers crossed...

Kurtis Mullins, Anton, and 65 more people like this update.

Comments

    1. Adapteva_220x220.small

      Creator Adapteva on December 10

      The good news is that the new boards are on schedule and will arrive tomorrow.

      The big "announcement" has been delayed by a few more days, unfortunately the timing is largely out of our control.

    2. Adapteva_220x220.small

      Creator Adapteva on December 10

      @beau, @andres The caps being switched out were 100uF decoupling capacitors for the Zynq supplies. We "should" be OK baesd on calculations and reference design comparisons.

    3. Adapteva_220x220.small

      Creator Adapteva on December 10

      @all Thanks for the encouragement and feedback about the color. Looks like we made the right choice!

    4. Fb_profile_picture.small

      Creator Corey O'Connor on December 6

      Thanks for the updates!
      Anybody else going to work on haskell (ghc) support for these systems?

    5. Me.small

      Creator Raymond J. Harmon on December 5

      Nice! Glad to hear things are moving a little better. Thank you for your diligence.

    6. P1020851.small

      Creator David Harris on December 5

      The strips on the top and bottom break off, I think.

    7. Missing_small

      Creator kloplop321 on December 5

      Glad there's progress!

      Seems like they aren't meeting the small size as initially desired :)

    8. Fb_profile_picture.small

      Creator Beau Webber on December 5

      Love the blue ...
      But also worried re the Tant => Cer capacitor change.
      Tantalums damp resonances and so are good for decouplers.
      Ceramic are higher Q. I like to use both, for best performance.

    9. Fb_profile_picture.small

      Creator James Kennedy on December 5

      it's magnificent; scout's honor!

    10. Missing_small

      Creator Miro Karnik on December 5

      I love it :-) for me it can be even pink with red dots, sofar it is working well :-)

    11. Missing_small

      Creator Andres Huwely on December 5

      I am so looking forward to see what can be done with that piece...

      With the new ceramic capacitor - did you recheck that the different (lower) esr of ceramic is still OK?

      Here some hints what I mean:

      www.physicsforums.com/showthread.php…
      http://www.ti.com/lit/an/slva214a/slva214a.pdf

    12. Punk%20punk%20illegal.small

      Creator 'Yngvald' aka HannesFury on December 5

      "take the safe root"... ha, I geddit, clever!

    13. Missing_small

      Creator Simon Huwyler on December 5

      pfffff..... blue..... booooring! I'd prefer mine in porky-pink! ;-)

    14. Missing_small

      Creator Fedor Rusak on December 5

      Looks awesome!

      Parallella plans became reality. Can't wait to play with it :)

      Cheers,
      Fedor

    15. Fb_profile_picture.small

      Creator Dacian Herbei on December 5

      greeeeaaaaaaaat!
      I can't wait to get mine!

    16. Fb_profile_picture.small

      Creator David Preece on December 5

      Nice one, well done :)

    17. F2.small

      Creator Federico Lucifredi on December 5

      I love blue boards, and Yay on the progress!

    18. Adapteva_220x220.small

      Creator Adapteva on December 5

      @Anton We were having some issues booting from a USB drive and wanted to take the safe root. One of the issues was not having the required 100uF capacitor on the VBUS. All the Zynq boards we have reviewed so far all had build or jumper options for choosing between OTG and host mode.

    19. Missing_small

      Creator Khushwant Peswani on December 5

      Blue is good! Thanks:-)

    20. Adapteva_220x220.small

      Creator Adapteva on December 5

      @kenichi Mine too!

    21. Avatar_400x400.small

      Creator Anton on December 5

      Can you give some more details about the change "Made the USB port host-mode only as default build option"?

    22. Missing_small

      Creator Hector Silva on December 5

      The blue reminds me of those old iMac boards

    23. Missing_small

      Creator Kurtis Mullins on December 5

      That's great news. Thanks for the updates!

    24. Fb_profile_picture.small

      Creator Kenichi Kato on December 5

      Blue, my favourite color!

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