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WZ9V

Tinkerboard S and Pi-Top CEED

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I put a TinkerBoard in a Pi-Top CEED and using TinkerOS 2.0.8 it boots and the LCD works fine.  Using Armbian it looks like it boots but nothing is displayed on the LCD.  The Pi-Top CEED uses a HDMI to 30-pin converter board and the current LCD is a 1920x1080 14in that I used to upgrade the original.  Any ideas why the Raspberry running Raspbian and The Tinkerboard running TinkerOS would work with the display but Armbian wouldn’t?

 

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15 minutes ago, WZ9V said:

Any ideas why the Raspberry running Raspbian and The Tinkerboard running TinkerOS would work with the display but Armbian wouldn’t

Drivers.  I don't know what the HDMI --> TFT adapter is, maybe RTD2660H?  In any case, without one I'd never be able to debug it properly, throwing some kernel modules at it *might* fix it, or not.  If you can get me real tech specs, such as chipsets used, etc, that makes it more likely to get a positive outcome.

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This biggest chip I can see on the top side of the HDMI to 30pin board has the number STDP2600 not entirely sure since I couldn't find the magnifiers and had to use the aging Mark 1 eyeballs.

 

Took picture with phone and magnified part number is STDP2600  if that doesn't sound right I can see if there is some other chip on the bottom of the board.

 

Pretty sure it is the converter on the hub board because Le Potato board also does not start the video correctly.

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So it's booting, but it doesn't like your display.  Do you have a uart adapter so you can get to the serial console via terminal emulator?  then you could provide some debug information.  Another option is to boot Tinker OS and identify the monitor that way

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Ordered a serial FTDI cable so I can hookup the debug terminal.  Until that arrives from Amazon I can pull information from TinkerOS 2.0.8 if you tell me what you want me to run and capture.

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Armbian 5.59 Bionic Legacy 4.4.152 boots and displays desktop

Armbian 5.59 Bionic Mainline 4.14.67boots but no desktop

 

When the FTDI cable arrives I'll capture the serial output of 4.14.67. 

Do you need 4.4.152 also for comparison?

 

BTW, Legacy stops working if I do the software update in the Armbian config utility.  So it appears it something since that image was updated caused it to break.

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