Getting Started With Your System 3System FeaturesThis section describes the major hardware and software features of your system. It also providesinformation about other documents you may need when setting up your system and how to obtaintechnical assistance.Major features of your system include:• Enclosure storage in an efficient rack-mount design• Capacity for either 15 3.5-inch, hot-plug, 3.0-Gbps, serial-attached SCSI (SAS) hard drivesor 15 3.5-inch, hot-plug, 3.0-Gbps, Serial ATA (SATA) hard drives• Host-based RAID support via a PERC 5/E adapter• Redundant hot-plug power supply and cooling fans that are integrated for improved serviceability• Optional second enclosure management module (EMM) for redundant system managementcapability• Support for either of the following direct-attach configurations:– Unified mode for direct connectivity of up to 15 hard drives– Split mode (with dual EMMs) providing direct connectivity to drives 0 through 6 on oneEMM and a separate direct connectivity to drives 7 through 14 on the second EMM• Front-panel, two-position switch for setting the enclosure mode (unified or split mode)• Support for up to three daisy-chained storage enclosures in unified mode for a total of 45 harddrives• In-band enclosure management provided through SCSI enclosure services (SES)• RAID and system management using Dell OpenManage™ Server Administrator StorageManagement Service• Four sensors for monitoring ambient temperatures (with redundant EMMs)• Over-temperature shutdown capability• Audible warning for critical component failure• Support for a wide range of servers (See your system’s readme file for supported systems.An updated readme can be viewed from the Dell website at support.dell.com.)