System Features 13LED indicatorsThere are five LEDs on the front panel. These LEDs are defined in thefollowing table.Bezel door and keylockThe bezel door provides access to the power, reset, and keyboard lock/ECCclear buttons, as well as the 3.5-inch diskette drive, the other external3.5-inch drive bay, the 5.25-inch drive bays and the RAID Cage bays. Thedoor can be locked to prevent unauthorized access.RAID cage bayThe RAID Cage bay supports connection of up to three 3.5-inchhot-swappable LVD SCA SCSI hard drives. The backplane automaticallysets the SCSI ID numbers and provides termination. The backplane is at theback of the RAID Cage which is not shown in Figure 2 on page 11. TheRAID Cage is a common option that occupies two 5.25-inch drive bays. Itmay appear as part of the standard configuration.LED Meaning When LitPower The system is onHard disk controlleractivityThe hard disk is beingaccessedP1 activity The first processor is activeP2 activity The second processor isactiveECC fault A memory error has beendetectedWarning!The bezel door must beclosed and locked while thesystem is running.