Auxiliary Connector On 68-Pin Model - Hitachi HUS151473VL3800 - Ultrastar 73.4 GB Hard Drive Specifications

7.7 Auxiliary connector on 68-pin model

In addition to the Option Jumper Block, the 68-pin models have an Auxiliary Connector between the power connector and the
68-pin SCSI connector. The settings at the Option Jumper Block and the Auxiliary Connector work as a logical OR. The drive
conforms to SFF-8009, Rev 2.0.
• Pin numbers 1, 3, 5, and 7 specify SCSI-ID as 1D0, 1D1, 1D2, 1D3.
• Pin numbers 2, 4, 6, and 12 are reserved and should be open.
• Pin #8 is for external LED cathode.
34
68
+5V
(Reserved)
LED cathode
NC
11 9
12 10
Ground
Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification
1
35
Bit 3
Bit 2
Bit 1
Bit 0
7 5 3 1
8 6 4 2
(Reserved)
(Reserved)
(Reserved)
25
SCSI ID