J2
LED cable connector for drives 1, 2, 3
J3, J4
Drive ID and configuration jumper blocks
J5
Wide SCSI bay drive 1
J6
Wide SCSI bay drive 2
J7
Wide SCSI bay drive 3
J8
Narrow SCSI cable, output
J9
LED cable connector for drives 4, 5, 6
J10
Power and ground from power distribution board and power supply
J11
I²C bus connector
J12
Wide SCSI drive bay 4
J13
Wide SCSI drive bay 5
J14
Wide SCSI drive bay 6
J15
Wide SCSI cable connector, input from channel A or B