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== HDMI resolution ==
In order to configure HDMI resolution, we must pass the correct parameters to the kernel using UBoot. *Stop autoboot by pressing a key when prompted to access terminal and type:<pre>printenv</pre>*Then change hdmi resolution by tweaking video_args_hdmi:<pre>setenv video_args_hdmi setenv video_args $video_args video=mxcfb${fb}:dev=hdmi,1920x1080M@60,if=RGB24</pre>''Where 'under construction''1920''' is horizontal resolution in pixels, '''1080''' is vertical resolution in pixels, and '''60''' is the refresh rate in Hz.''*Supported iMX6 resolutions are:<br>{| cellspacing="1" cellpadding="1" border="1" style="width: 287px; height: 235px;"|-| Resolution | Refresh Rate|-| rowspan="5" | 1920x1080p| 60 Hz|-| 50 Hz|-| 30 Hz|-| 25 Hz|-| 24 Hz|-| 1440x576p | 50 Hz|-| 1440x480p | 60 Hz|-| 1440x288p| 50 Hz|-| 1440x240p| 60 Hz|-| rowspan="4" | 1280x720p | 120 Hz|-| 100 Hz|-| 60 Hz|-| 50 Hz|-| 720x576p| 50 Hz|-| 720x480p| 60 Hz|-| rowspan="2" | 640x480p| 60 Hz|-| 59 Hz<br>|}
== modem Modem USB ==
*In order to connect to the GSM network, you need to connect a modem in the J1100 connector and insert a SIM card in J1102. Then, when powering up the board, kernel should recognise the modem and list it under /dev/ as a list of ttyUSB devices. We are using a Quectel UC20 Modem, in this case.
