4 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guidehalt command, 2-14, 3-21Halted message, 3-21height of filer, 2-3help toolsAutoTech service, 4-3Internet, 4-2TechConnect BBS, 4-3TechFax service, 4-3humidity, environmental requirements,2-2informational messagessee error and informational messagesinstallation brackets, 1-2installing the filer, 2-1, 2-8connecting to a disk storage shelf, 2-11connecting to a power source, 2-20connecting to a tape backup device,2-14connecting to the network, 2-15establishing a terminal connection,2-18in a rack, 2-4preparing for the installation, 2-1Internet help tools, 4-2Invalid PCI card slot n message, 3-14ISA IOCHK message, 3-212L2 parity error message, 3-11LCDsee Liquid Crystal DisplayLEDssee Light Emitting DiodesLight Emitting Diodes (LEDs), 1-2, 3-210/100Base-T Ethernet cards, 3-5, 3-6activity LED on the front panel, 3-3built-in Ethernet interface, 3-5front panel, 3-2, 3-3power LED on the front panel, 3-3power supply, 3-3quad-port 10/100Base-T Ethernet card,3-6status LED on the front panel, 3-3Liquid Crystal Display (LCD), 1-3Liquid Crystal Display (LCD) messages,3-9Data disk n x% rebuilt, 3-17Disk hung during swap!, 3-21Disk labels scramble!, 3-13Disk n is broken, 3-17Fault on shelf n, 3-18Maintenance mode, 3-18NFS service not enabled, 3-18No FC-AL or SCSI disk controllers!,3-15Non Maskable interrupt, 3-18Parity disk is broken, 3-18, 3-19Parity disk x% rebuilt, 3-19POST error messages, 3-11Power supply degraded!, 3-19Replace NVRAM batteries!, 3-19Reporting SNMP traps, 3-20Setting time from remote host, 3-20Setting up SNMP trap host, 3-20STDBY/SERV, 3-3Unsupported NVRAM size xMB, 3-16x default route, 3-20x route to y, 3-20#Maintenance mode message, 3-18maximum current, for the filer, 2-2memorySee also DIMMS