rock2 square monitors

JT Croteau

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Oct 7, 2015, 10:51:37 AM10/7/15

to radxa

g'day, I just ordered a 4GB rock2 Square and wondering if I can use a USB monitor with it? I have a USB monitor with native resolution of 1366 x 768 and plan to run Rabian on my rock2.

Thanks

- JT

Tom Cubie

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Oct 7, 2015, 10:53:37 AM10/7/15

to JT Croteau, radxa

Hi, JT

USB monitor is interesting, does it works on your other Linux platform
such as a Linux desktop PC?

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JT Croteau

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Oct 7, 2015, 12:01:03 PM10/7/15

to Tom Cubie, radxa

Hi Tom

Yes, it has been working perfectly since kernel 3.9.0. I typically use Debian.

- JT

Tom Cubie

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Oct 7, 2015, 11:30:01 PM10/7/15

to JT Croteau, radxa

Good to hear that, we use 3.10 kernel, but it's arm platform. At least
you can try, it should work. If it doesn't, we will try to support it.
If we can't, you can return the board and we refund.

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Tom Cubie

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Oct 7, 2015, 11:30:23 PM10/7/15

to JT Croteau, radxa

Do you have the model number and product link for the monitor?

JT Croteau

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Oct 8, 2015, 4:48:35 AM10/8/15

to Tom Cubie, radxa

Hi Tom. It's an AOC E1649FWU portable USB monitor. I am not
worried if it doesn't work and will not be returning. I have a
desktop HDMI monitor if I need to build my own kernel to get it to
work or I will buy a portable HDMI monitor.
Here is a blog from a gentlemen experimenting with the same monitor a
few years ago. Hey lists all the related kernel messages if you'd
like to see the output.

http://jochen.kirstaetter.name/blog/linux/using-aoc-usb-monitor-in-ubuntu-1304-displaylink-e1649fwu.html

Tom Cubie

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Oct 8, 2015, 4:51:06 AM10/8/15

to JT Croteau, radxa

Hi, JT

Thanks for the info. It looks promising.

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JT Croteau

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Oct 8, 2015, 5:37:53 AM10/8/15

to Tom Cubie, radxa

Tom, I may have to do more research on the DisplayLink driver. It
doesn't look like you can use any DL (USB) monitor as a primary
display. I'm also worried about the rock2 being able to provide
enough power to power the monitor. Think I will be sticking with
HDMI.

- JT

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