Seagate ST19101N/W/WC/WD/DC manual Model W and WD drive alternate ID select and LED connection

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44	Cheetah 9 Installation Guide, Rev. B

W/WD drives

68 Pin
SCSI I/O Connector
J1	Pin 1	J1A [2][4]	Pin 1
	Pin 1	J1A [2][4]	Pin 1
		4P	3P 2P	1P
	Pin 12		J1-DC Power

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.

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 12. Model “W” and “WD” drive alternate ID select and LED connection

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Contents ST19101N/W/WC/WD/DC Contents Preface Electrostatic discharge protection Important safety information and precautions Cheetah 9 Installation Guide, Rev. B Wichtige Sicherheitshinweise Cheetah 9 Installation Guide, Rev. B Page Electromagnetic susceptibility Regulatory agency complianceElectromagnetic compliance Electromagnetic compliance for the European Union Australian C-TickOnline services Seagate.comSeagate CompuServe forum FAX services SeaFAXDirect-support services Seagate technical supportCustomer service centers Manufacturer’s representativesGeneral description Drive characteristics Additional drive characteristics DC power requirements Amps ST19101 WC models WD, DC models +12V +5V Voltage regulation ± 5%Dimensions of the drive Drive models General informationScsi ID jumpers Drive termination Terminator power Circuits and data path widthsCable characteristics for single-ended circuits Pin I/O connection to drive Multiple drive connection to host adapter Multiple-drive connection to host adapter Scsi I/O Providing adequate cooling Kühlung des Systems Suggested air flow Abbildung 4. Empfohlener LuftstromverlaufMounting the drive and connecting cables Installation des Laufwerkes und Anschluß der KabelPage Pin Power Pin GleichstromHinweis Cheetah 9 Installation Guide, Rev. B Mounting configuration dimensions Formatting the drive Quick reference desktop system notesSetting the Scsi ID jumpers Setting the Scsi ID on model N drivesTerminating the drive Terminating the driveSetting terminator power jumpers Other applicable jumper options Additional jumper optionsWD drives Model W and WD drive alternate ID select and LED connection Terminating the drive W model shown Drive Front Other option jumpers are available as illustrated below WC/DC drives Applicable jumper options Jumper optionsDrive Active indicator Drive Active LED indicator connectionsPage Page