If you are sure the board has an issue, request an RMA. http://www.elinux.org/Beagleboard:BeagleBoneBlack#RMA_Support
Gerald On Wed, May 7, 2014 at 6:26 PM, Jason Kridner <[email protected]>wrote: > On Wed, May 7, 2014 at 6:06 PM, Samer Shatta <[email protected]> > wrote: > > Hello > > i have beaglebone black Rev A5C that works correctly with the Serial > debug > > header > > > > yesterday i have bought a new beaglebone black Rev A6A (new BBB) , but > when > > i connect the serial FTDI debugger it didn't work at all > > there is nothing displayed on the host terminal when the new BBB boot up > > > > i have tried to connect TX with RX from the debug header of the new BBB > and > > used minicom on the new BBB using with the following settings : > > ttyO0 > > 115200N1 > > no hardware flow control > > > > > > and try to write some chars , but nothing received , i think that the > FTDI > > debug header is not connected with the ttyO0 , i think that there is a > > hardware bug from the BBB factory . > > Are you certain you've got the hardware still setup properly (cable > plugged in right direction, terminal software configured the same, > etc)? > > If you have access to a scope, I suggest monitoring the line. > > Do you see the LEDs blink? Have you tried booting off of uSD? > > > > > if what i think is true so , i have to redirect the u-boot console > output to > > another tty like ttyO4 , but i don't know how to do that . > > It might work to specify ttyO4 in the uenv.txt console= command line > argument and add the config enablement to the device tree. If you are > serious about this, I can break down a few of those steps for you. Of > course, that would just move the kernel output, not the u-boot output. > > Much of the relevant config info is in: > http://git.denx.de/?p=u-boot.git;a=blob;f=include/configs/am335x_evm.h > > (It is a bit of an odd legacy that the config is in am335x_evm, but it > was to make the code common with several other boards.) > > > > > please help . > > > > -- > > For more options, visit http://beagleboard.org/discuss > > --- > > You received this message because you are subscribed to the Google Groups > > "BeagleBoard" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to [email protected]. > > For more options, visit https://groups.google.com/d/optout. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
