NEC Express5800/R120b-1 User Manual page 171

<Server Core Installation>
In the following screen, enter your password into "Password", and click
Hereinafter, proceed operations according to the message.
Now the Setup using Express Setup has completed.
After Express Setup has completed, be sure to execute the tasks described in "Installing and Setting
Device Drivers".
Installing the Operating System with Express Setup 5-21
.