Any update on this problem. I ordered a beaglebone blue from Arrow and I'm 
having the same problems. Writing/reading to the eMMC just randomly fails. 
They sent me another one, this ones a little better... but eventually i get 
input/output errors. I thought it was the power supply maybe at first, but 
I hooked them up to a known googd power supply that's 12V 5A (60w) and it 
still does this.

On Friday, May 19, 2017 at 5:02:02 AM UTC-5, Niels Jakob Buch wrote:
>
> I just checked and the JST-SH connector pins, inside the terminal are only 
> 1mm apart. https://is.alicdn.com/img/pb/863/022/524/524022863_862.jpg
>
> I guess I will wait for the wire assemblies.
>
> On Friday, 19 May 2017 00:06:02 UTC+2, William Hermans wrote:
>>
>>
>>
>> On Thu, May 18, 2017 at 2:06 PM, Niels Jakob Buch <[email protected]> 
>> wrote:
>>
>>> Argh, waiting on a pile of JST-XX connectors to get the Blue-world up 
>>> and running. But thanks!
>>>
>>
>> So, I actually have no idea of the pin pitch on those JST headers. But 
>> the serial debug cable I bought years ago, and still use. Has fairly thin 
>> slip on connectors. You only need RXD, TXD, and ground connected. The cable 
>> I bought was a Prolific PL2303HX cable very similar to the one stocked at 
>> Adafruit https://www.adafruit.com/product/954
>>
>> I actually bought mine off ebay for less than $3, but shipping took a lot 
>> longer too. Adafruit is stating on their page there that they're now using 
>> SilLabs something or another because of driver stability. But I've never 
>> experienced a problem with the PL2303HX cable.
>>
>> Anyway, my point is that you may not need a JST connector for this 
>> purpose.
>>
>

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