A reconfigurable Linux computer that connects to the real world: ARM + FPGA + Wi-Fi + 180 I/O

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Jul 19, 2017

Project update 43 of 60

In Search of Yield Issue Root Cause


Quick update on what’s been happening with snickerdoodle:

Work continues on establishing the root cause of this ridiculous manufacturing yield issue. We have been around and around with Xilinx support, our contract manufacturer, and our parts vendors…discovering seemingly promising evidence at every step along the way that ultimately turns up a dead end. Days, weeks, and months of troubleshooting, testing, reworks, and reworks of reworks have left us continuing our search.

The one “reassuring” aspect of an otherwise dumbfounding situation is both the failure AND the remedy are very specific to the Zynq and very repeatable - unfortunately the ‘remedy’ can’t be practically implemented in shipped product, so we really need to figure out what is causing the problem.

piSmasher is progressing, although snickerdoodle has taken a front seat.

In both cases, it is a matter of “when,” not “if” we will get these issues resolved and (finally) move everything to volume production. We kindly ask that you bear with us a little bit longer. Please also understand this is an extremely stressful situation for everyone involved. We are more eager than anyone to get back to building & shipping product and we are working day and night to make that happen.

As always, if you’d like to contact us, please email us or tweet us at @krtkl_inc and we’ll get back to you as soon as possible.

Kind regards,
the krtkl crew

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