U-boot v2015.10 432 MHz DRAM Cubieboard 2

[prof343]

Hello!

 

For the Cubieboard 2 on the SD card I use the image Armbian_5.25_Cubieboard2_Debian_jessie_default_3.4.113.img. It is only loaded with U-boot v2015.10.rar. But this U-boot v2015.10 480 MHz DRAM. At this frequency, my Cubieboard 2 freezes. Can anyone build U-boot v2015.10 to 432 MHz DRAM? I will be very grateful. I'm not very good at Linux. I apologize for the bad english.