Supero SC825TQ-R720LPB User Manual page 75

D-5 GEM 318 Chip (SAF-TE: SCSI Accessed Fault-
Tolerant Enclosures)
This chip allows the system to use a set of pre-defined SCSI commands to moni-
tor 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
LED Location
D4 Front
D5 Rear
DA5 Rear
D6 Rear
DA6 Rear
D16 Rear
DA16 Rear
D18 Rear
DA18 Rear
D-6 CD-ROM/Floppy Drive Power Connectors
The 4-pin power connectors supply power to the CD-ROM and floppy drives. See
the table below for pin definitions.
CD-ROM/Floppy Drive Four-Pin Power Connectors
Pin 1
Pins 2 and 3
Pin 4
SAF-TE LED Indicators
Overheat or drive failure red light flashing, buzzer on
Channel A ID#0 Failure LED red light flashing, buzzer on
Channel B ID#0 Failure LED red light flashing, buzzer on
Channel A ID#1 Failure LED red light flashing, buzzer on
Channel B ID#1 Failure LED red light flashing, buzzer on
Channel A ID#2 Failure LED red light flashing, buzzer on
Channel B ID#2 Failure LED red light flashing, buzzer on
Channel A ID#3 Failure LED red light flashing, buzzer on
Channel B ID#3 Failure LED red light flashing, buzzer on
+5V
Ground
+12V
D-5
SCA-825S2 Backplane Specifications
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Description