IBM IC35L036UWDY10 - Ultrastar 36.7 GB Hard..., Specifications, Page: 42 / 249

7.2 Option jumper block
Two jumper blocks, J4 and J6, are located on the card of 68- and 80-pin models as shown in the figure
below.
J4 has 14 positions numbered #1 - #14 and controls Terminator Power supply.
As described in Section 7.1.7, "Auxiliary connector on 68-pin model" on page 25, some of the jumper pins
on J4 of the 68-pin models can also be controlled through the Auxiliary Connector. These controls work
as logical OR between the Option Jumper Block and the Auxiliary Connector.
As described in Section 7.1.2.2, "SCSI signal connector (80-pin SCA-2 model)" on page 23 some of the
jumper pins on J4 of the 80-pin models can also be controlled through the 80 pin SCA-2 connector. These
controls work as a logical OR between the Option Jumper Block the SCA-2 connector.
J6 has 14 positions numbered #1 - #14.
Resistor
(150 ohms)
+5V +5V
J4
To
transistor
collector
J6
Connected to 5V via Polyswitch for 68-pin and
NC for 80-pin models.
Resistor
68-pin = 150 Ohm
80-pin = 0 Ohm
ID bit 3
ID bit 2
ID bit 1
ID bit 0
Force SE mode
Term power (SCSI I/F for 68-pin models
NC for 80-pin models)
To LED pin 8 Aux connector (68-pin models)
To LED out pin 77 (80-pin models)
Reserved
Disable unit attention
TI sync negotiation
Disable parity
Delay start 6/12
Auto start delay
Enable auto spin (68-pin models)
Disable auto spin (80-pin models)
Figure 22. Jumper pins
Note: J4 pin 3 is connected to 5V via Polyswitch for 68 pin and NC for 80 pin models.
Ultrastar 146Z10 hard disk drive specifications
26