NEC Express5800 User Manual page 381

13.
Click [New], enter a partition size, and then click [Apply].
NOTE:
When new partition is created, initial 100MB is assigned as
boot partition by Windows OS.
14.
Select the partition created in step 13, and then click [Format].
15.
Select the partition created, and then click [Next].
NOTE:
The number of partitions displayed to a screen by environment
of the use is different.
Installing Windows Server 2008 R2 D-13