1. Installing Internal OptionsExpress5800/53Xi, Y53Xi User's Guide52Chapter 2 Preparations1.4 Hard Disk DriveUp to two hard disk drives can be installed in your workstation.Install the first hard disk drive in drive bay 0, and the second one in drive bay 1.Important Do not use any hard disk drive that is not authorized by NEC. Installing a third-partyhard disk drive may cause a failure in the workstation as well as the hard disk drive.Repair of any failure or damage in the workstation caused by such a hard disk drivewill be charged.Note If two hard disk drives are installed, the indication order of hard disk drives on BIOS is notidentical to that on operating system.Install the hard disk drives as shown in the figure below.Bay 1(2nd hard disk drive)Bay 0(1st hard disk drive)