Seagate ST34501WD, ST34501DC, ST34501WC, ST34501N manual Applicable jumper options, Jumper options

Page 51

Cheetah 4LP Installation Guide, Rev. B

49

WC/DC drives

Applicable jumper options

Option jumpers are available as illustrated below.

Delay Motor Start option

Pin 1

J2 R R R R E DMWP E E E S S E P D S S S

The host system has complete control over motor start functions. Do not install a jumper on these pins.

Enable Motor Start option

The host system has complete control over motor start functions. Do not install a jumper on these pins.

Write Protect option

Write protect = Off (enables writing – default)

Write protect = On (disables writing)

Parity Check option

Enable parity check of SCSI bus (default).

Disable parity check.

 

J6

J2

 

SCSI I/O J1

 

 

 

Drive

Connector

 

 

 

Front

 

J2 Jumper Type

 

DC Power

(enlarged to

 

Connector

show detail)

 

 

Figure 16. Jumper options

Image 51
Contents ST34501N/W/WC/WD/DC Contents Preface Electrostatic discharge protection Important safety information and precautions Cheetah 4LP Installation Guide, Rev. B Wichtige Sicherheitshinweise Cheetah 4LP Installation Guide, Rev. B Page Regulatory agency compliance Electromagnetic susceptibilityElectromagnetic compliance Australian C-Tick Electromagnetic compliance for the European UnionOnline services Seagate technical support servicesSeagate CompuServe forum SeaFAX FAX servicesSeagate technical support Direct-support servicesManufacturer’s representatives Customer service centersGeneral description Drive characteristics Additional drive characteristics +12V8 +5V8 Voltage regulation5 ± 5% ± 5%2 DC power requirements Amps ST34501 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 4LP 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