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I found this and it works for me.  It would be nice to have just a little documentation on this stuff.  [url]https://forum.armbian.com/index.php?/topic/3837-psa-orange-pi-zero-expansion-board-tv-out-not-working-solution/[/url] 
 
$ bin2fex /boot/script.bin ~/script.fex 
$ nano ~/script.fex 
 
find these lines: 
fb0_width = 0 
fb0_height = 0 
 
and change them to: 
fb0_width = 680 
fb0_height = 536 
 
then: 
$ fex2bin ~/script.fex ~/script.bin 
$ sudo cp ~/script.bin /boot 
$ sudo reboot 
 
Then install devmem2: 
 
wget http://free-electrons.com/pub/mirror/devmem2.c 
gcc ./devmem2.c 
sudo mv ./a.out /usr/local/bin/devmem2 
 
Then: 
 
sudo devmem2 0x01E00130 w 0x00140028 
 
 
And last, to make permanent: 
$ sudo nano /etc/rc.local 
 
paste following line: 
devmem2 0x01E00130 w 0x00140028 
 
You should really read the full posts to make sure that you are doing it right for your OS but it works. |   
 
 
 
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