SCA818S Backplane User’s Guide D: GEM 318 (SAF-TE: SCSI Accessed Fault-Tolerant Enclosures) This chip allows the system to use a set of pre-defi ned SCSI commands to monitor the status of disk drives and provide disk drive information to the user through LED indicators and buzzers. (*Note: This function is available only when a RAID controller with a RAID set is present and enabled. Please refer to the table below for the information on SAF-TE LED Indicators .) SAF-TE LED Indicators A-6 LED# Location Description D4 Front Overheat or Drive Failure (red light flashing, buzzer: on) D5 Rear SCA#0 Fail LED (red light flashing, buzzer: on) D6 Rear SCA#1 Fail LED (red light flashing, buzzer:
on) D16 Rear SCA#2 Fail LED (red light flashing, buzzer: on)