Seagate ST336607LC ST3146807LC Model Product Manual PDF - Page 50
Cheetah 10K.6 SCSI Product Manual, Rev. D, Notes for s 18, 19, and 20., default
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40 Cheetah 10K.6 SCSI Product Manual, Rev. D J2 Pin 1 RR Jumper S D M W P E E T Positions E S E P D S S P Force single-ended bus mode Delay Motor Start [2] Enable Remote Motor Start Write Protect Parity Disable *Additional notes on these functions in section 8.1.2. Reserved Term. Power to SCSI Bus (applies to LW models only; reserved on LC models) [3] J2 Jumper Plug (enlarged to show detail) J2 J6 Drive Front Figure 20. J2 option select header (on LW models only) 8.1.1 Notes for Figures 18, 19, and 20. [1] Notes explaining the functions of the various jumpers on jumper header connectors J2, J5, and J6 are given here and in Section 8.1.2. The term "default" means as standard OEM units are configured with a jumper on those positions when shipped from factory. "Off" means no jumper is installed; "On" means a jumper is installed. OFF or ON underlined is factory default condition. The PCBA on LC models does not have connector J5. The J5 connector signals conform to SFF-8009 Revision 2.0, Unitized Connector for Cabled Drives, signal assignments for auxiliary connectors. [2] These signals are also on 80-pin J1 I/O connector. See tables 17 and 18, note 9. [3] Voltage supplied by the drive. [4] Dashed area is optional host circuitry (external to the drive) connected to host supplied optional usage plug. [5] Do not connect anything to J5 pins 9, 11-12 or J6 pins 13-20. [6] Connect an external Drive Activity LED to J6 pins 11 and 12 (see Figure 18), or to J5 pin 8 (see Figure 19) and the drives +5V power source, through an appropriately sized current limiting resistor. The drive provides an internal 150 ohm current limiting resistor for the J6 connection.