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3G-iot jumper settings

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Post time 2019-6-10 20:37:32 | Show all posts |Read mode
Hi,
I hve looked for the function of the jumpers, and I am unable to work out what is the correct position for flashing from usb, or booting from sd card.
There are a number of pictures
Page 16 of this manual shows one orientation
https://drive.google.com/file/d/1VIUxeu016MZgI5H9tDwq76Je3RqR2FXJ/view

Then this vew
http://www.orangepi.org/orange%20pi%203g-iot-512mb%20-%20B/
shows a different orientation!

could you tell me what the jumpers do in each position

Thanks

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Post time 2019-7-12 06:27:09 | Show all posts
There is a post elsewhere which tries to explain, but the image is labeled in Chinese.   

For downloading over the micro USB connector, jumper 1-3 and 2-4 (labeled as "OTG" mode).   To use the larger Type-A USB connector for a keyboard & mouse, jumper 3-5, 4-6.   

One of the photos in the manual shows 1-2, 3-4 which shorts out the D-/D+ pins on the micro connector and the chip -- so you have no data on either port, but either port should allow power IN (to supply the Orange Pi).

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 Author| Post time 2019-7-14 13:56:12 | Show all posts
Thanks!
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