Led Driver Out (Position 11-12); Positions #13-14 - Hitachi HUS151473VL3800 - Ultrastar 73.4 GB Hard Drive Specifications

7.9.5 LED Driver Out (position 11-12)

The LED pins are used to drive an external Light Emitting Diode. Up to 30 mA of sink current capability is provided. The
LED Anode must be tied to the current limited +5V source provided at the Location #11 on J6 jumper block.
The LED Cathode is then connected to pin #12 on J6 jumper block to complete the circuit.

7.9.6 Positions #13-14

No connection should be made.
Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification
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