Seagate ST118202LW/LC manual Additional jumper options

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Cheetah 18 Installation Guide, Rev. A				43
					LW drives
	68 Pin
SCSI I/O Connector
	J1	Pin 1	J5/J1A [2][4]	Pin 1
		Pin 1

Pin 12

J1A Pin 1

SCSI Address A0

SCSI Address A1

SCSI Address A2

SCSI Address A3

No connection

+5V

Fault LED*

Vendor Unique*

Reserved

Activity LED*

Ground

*These pins are driven low for 250 ms after PWR ON or RESET to allow jumper selectable SCSI ID as shown to the right.

4P

3P 2P

1P

J1-DC Power

SCSI ID = 0

SCSI ID = 1

SCSI ID = 2

SCSI ID = 3

SCSI ID = 4

SCSI ID = 5

SCSI ID = 6

SCSI ID = 7

SCSI ID = 8

SCSI ID = 9

SCSI ID = 10

SCSI ID = 11

SCSI ID = 12

SCSI ID = 13

SCSI ID = 14

SCSI ID = 15

Figure 13. Additional jumper options

Figure 14. Alternate ID select and LED connection

Image 45

Contents Cheetah Disc Drive ST118202LW/LC Installation Guide Contents Electrostatic discharge protection PrefaceImportant safety information and precautions Page Wichtige Sicherheitshinweise Page Cheetah 18 Installation Guide, Rev. a Electromagnetic susceptibility Regulatory agency complianceElectromagnetic compliance for the European Union Seagate Technology support services SeaNET Seagate CompuServe forum Online servicesSeaFAX FAX servicesTechnical support Direct-support servicesCustomer service centers Manufacturer’s representatives General description Cheetah 18 family drive ST118202LW shown Characteristics ST118202LW/LC DC power requirements ±5%1 +5 +12 General information Drive modelsScsi ID jumpers Single-ended and low voltage differential modesPage Drive termination Circuits and data path widths Terminator powerCable characteristics for SE and LVD circuits Pin I/O connection to drive LW model Multiple-drive connection to host adapter Drive model LC with single 80-pin I/O and power connector Providing adequate cooling Kühlung des Systems Suggested air flow Installation des Laufwerkes und Anschluß der Kabel Mounting the drive and connecting cablesCheetah 18 Installation Guide, Rev. a DC power connector Abbildung 8. Gleichstromanschluß Hinweis Page Mounting configuration dimensions LW model Mounting configuration dimensions LC model Quick reference desktop system notes Formatting the driveLW drives Setting the Scsi ID jumpers Terminating the drive Setting terminator power jumpers Several other jumper options are available as illustrated Other applicable jumper optionsAdditional jumper options Drive Active LED indicator connections are shown below Drive Active indicatorLC drives Terminating the drive Other option jumpers are available as illustrated below Drive Active indicator