BEAGLE BONE GREEN UART 2 AND UART 4 IS NOT WORKING FOR MODBUS APPLICATION

BEAGLE BONE GREEN UART 2 AND UART 4 IS NOT WORKING FOR MODBUS APPLICATION FOR HIGHER BAUD RATE IN JAVA APPLICATION BUT IT IS WORKING WITH UART 1 SAME CODE AND ALSO WITH THE BEAGLE BPNE BLACK IS THERE ANY CHANGES WITH THE BLACK AND GREEN WIRELESS PLEASE LET ME KNOW