IBM IC35L036UWDY10 Hard Drive Specifications - Page 42
jumper block, These controls work
UPC - 000004119524
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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. +5V +5V Connected to 5V via Polyswitch for 68-pin and Resistor NC for 80-pin models. (150 ohms) J4 J6 To transistor collector 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) Resistor 68-pin = 150 Ohm 80-pin = 0 Ohm 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