Seagate ST19101N/W/WC/WD/DC manual Multiple-drive connection to host adapter

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Cheetah 9 Installation Guide, Rev. B		27
“W” Model	“WD” Model
Drive	Drive

SCSI ID 1

SCSI ID 0

2 through X SCSI devices [1]

Note:

Do not mix

“W” and “WD” model drives [2] on the daisy

chain.

Terminator

Pin 1

(check your

adapter for Pin 1 location)

SCSI ID 7

Host Adapter

PCB

[1]“X” means up to 15 or the maximum allowable number of devices on the SCSI bus. See system documentation and Table 4.

[2]External terminator. Used only on end “WD” drive.

Figure 3d. Multiple-drive connection to host adapter

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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 compliance Regulatory agency complianceElectromagnetic susceptibility Australian C-Tick Electromagnetic compliance for the European UnionSeagate.com Online servicesSeagate CompuServe forum SeaFAX FAX servicesSeagate technical support Direct-support servicesManufacturer’s representatives Customer service centersGeneral description Drive characteristics Additional drive characteristics +12V +5V Voltage regulation ± 5% DC power requirements Amps ST19101 WC models WD, DC modelsDimensions of the drive General information Drive modelsScsi ID jumpers Drive termination Circuits and data path widths Terminator powerCable 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 Abbildung 4. Empfohlener Luftstromverlauf Suggested air flowInstallation des Laufwerkes und Anschluß der Kabel Mounting the drive and connecting cablesPage Pin Gleichstrom Pin PowerHinweis Cheetah 9 Installation Guide, Rev. B Mounting configuration dimensions Quick reference desktop system notes Formatting the driveSetting the Scsi ID on model N drives Setting the Scsi ID jumpersTerminating the drive Terminating the driveSetting terminator power jumpers Additional jumper options Other applicable 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 Jumper options Applicable jumper optionsDrive Active LED indicator connections Drive Active indicatorPage Page