At the back of the OP4510, insert the OPAL-RTLinux USB key installation in USB port number 5 that is of blue color.
Reboot the Red Hat machine by entering the Linux command at the terminal prompt in MobaXterm on your Windows computer.
reboot
When rebooting, get ready to enter the computer BIOS setup by pressing the Delete [DEL] key. See next step : Configure the Computer BIOS
You can also reboot the target by the Red Hat graphical interface.