5-14 Installing the Operating System with Express SetupIMPORTANT: 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 a logical drive larger than 2,097,144MB atRAID 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, EXPRESSBUILDER installsthe Operating System to the Windows partition (The Boot partition(if it exists) and the Windows partition are deleted). The data in theother partition is kept if the system has two or more partitions. (Seethe figure below.)BootPartitionDeletedWindowsPartitionDeletedUser DataPartitionRetained You cannot re-install the system with the existing partition that isupgraded to Dynamic Disk remained. Do not select "Use existingpartitions" at "Windows system drive settings".