NEC Express5800/R140a-4 User Manual page 207

IMPORTANT:
If you install Windows Server 2003 R2, do not apply Service Pack
by Express Setup. If you install Service Pack, apply Windows
Server 2003 R2 DISC 2 after Express Setup completion, and then
install Service Pack by "Updating the system".
About partition size
– Specify the partition size larger than required minimum size for
OS installation.
– Do not specify larger partition size than the capacity of
connected hard disk drive.
– You can not specify a logical drive larger than 2,097,144MB at
RAID system.
If you select "Create a new partition" at "Windows system drive
settings", the contents of the hard disk will be all deleted.
If "Use existing partitions" is selected, EXPRESSBUILDER
installs the Operating System to the 1st partition (1st partition is
deleted). The data in the other partition is kept if the system has
two or more partitions. (See the figure below.)
First
Partition
Deleted
You can not re-install the system with the existing partition that is
upgraded to Dynamic Disk remained. Do not select "Use existing
partitions" at "Windows system drive settings".
Installing the Operating System with Express Setup 5-13
Second
Partition
Retained
Third
Partition
Retained