Installing the Operating System with Express Setup 5-138. Specify the installing medium and the Windows system partition.[Specify medium / Partition] steps are displayed. Confirm the parameters, modify ifnecessary, and then click [Next].IMPORTANT: About partition size– Specify the partition size larger than required minimum size forOS installation.– Do not specify larger partition size than the capacity ofconnected hard disk drive.– You can not specify the partition size larger than 2,097,152MB(2TB) at RAID system. If you select "Create a new partition" at "Windows system drivesettings", the contents of the hard disk will be all deleted. If "Use existing partitions" is selected, EXPRESSBUILDERinstalls the Operating System to the 1st partition (1st partition isdeleted). The data in the other partition is kept if the system hastwo or more partitions. (See the figure below.)FirstPartitionDeletedSecondPartitionRetainedThirdPartitionRetained You can not re-install the system with the existing partition that isupgraded to Dynamic Disk remained. Do not select "Use existingpartitions" at "Windows system drive settings".