Auxiliary Connector On 68 Pin Model - IBM Ultrastar 36LZX Specifications

7.1.7 Auxiliary connector on 68 pin model

The 68 pin models have an Auxiliary Connector between the power connector and the 68 pin SCSI
connector in addition to the Option Jumper Block. The settings at the Option Jumper Block and the
Auxiliary Connector work as logical OR. The drive conforms SFF-8009 Rev3.0.
Ÿ Pin #1,3,5,7 specify SCSI-ID as -DAS0,1,2,3. Tie-down to the ground is to assert.
Ÿ Pin #2,4,6,12 are reserved, and should be open.
Ÿ Pin #8 is for external LED cathode.
34
68
NC
+5V
(Reserved)
Ground
LED cathode
Figure 21. Auxiliary connector
1
35
11 9
7 5 3 1
12 10 8 6 4 2
Ultrastar 36LZX hard disk drive specifications
Bit 3
Bit 2
SCSI ID
Bit 1
Bit 0
(Reserved)
(Reserved)
(Reserved)
32