9-8 Upgrading Your ServerHARD DISK DRIVEAll drive slots may contain a hard disk drive approximately 25.4 mm (1 inch) high. One of thefollowing types can be installed, depending on the hard disk drive installation option used in yourserver chassis and the drives supported by your server mother board.NTOE: The hard disk drives are not installed in the standardconfiguration. Purchase the hard disk drive suitable to your systemseparately.SATA 3.5-inch Hot-swap Hard Disk Drive ModelUp to three hard disk drives can be installed in the disk bay of the front of the server. The drive IDsare assigned in the figure shown below.Channel 3Channel 0 Channel 1IMPORTANT: Use the hard disk drives authorized by NEC. Installinga third-party hard disk drive may cause a failure of the server as well asthe hard disk drive. Purchase hard disk drives of the following models:– N8150-207A (80GB, 7,200 rpm, serial ATA2/300)– N8150-208A (160GB, 7,200 rpm, serial ATA2/300)– N8150-209A (250GB, 7,200 rpm, serial ATA2/300)