A20-OlinuXino_MICRO-Installation AsteriskNow

[itnetworks]

Dear All
I 'm junior on the forum and i need your help. I have the Board like A20-OLinuXino_MICRO
I need to install AsteriskNow. I have install AsteriskNow on SD Card 32GB, but when put it on board, cannot start. I monitoring the startup steps through a console port.
Can someone help with this issue?

Best Regards
John