Mikrotik + Intel C232 chipset support (eg HP DL20G9)?

I have HP DL20 G9 with Intel C232 chipset and mikrotik does not recognize drive connected to usb.

I set boot to “legacy boot” and pendrive with mikrotik 6.39rc55 does not boot.

I just only get:

Loading system with initrd
ERROR: could not find disk!
Please attach it to somewhere else.

It is my first time that mikrotik is not recongnizing usb controller correctly.

Any ideas how to resolve it?