Seagate ST423451N/W/WD manual Multiple-drive connection to host adapter

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Elite 23 Installation Guide, Rev. A

23

*SCSI ID X (or last drive)

“W” Model

Drive

Note: Do not mix “W” and “WD” model drives on the daisy chain.

“WD” Model

Drive

Terminator

Module

SCSI ID 1

SCSI ID 0

Additional

SCSI devices

*“X” means up to ID15 or the maximum allowable number of devices on the SCSI bus. See Table 1.

Pin 1

(check your adapter

for Pin 1 location)

SCSI ID 7

Host

Adapter

PCB

Figure 3d. Multiple-drive connection to host adapter

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Contents Elite Disc Drive ST423451N/W/WD Contents Electrostatic discharge protection PrefaceImportant safety information and precautions Page Wichtige Sicherheitshinweise Page European Union Compliance Page SeaFONE at 1-800-SEAGATE Seagate Technology Online servicesSeaNET BBS Location Modem number SeaBOARDSeagate Technology Forum on CompuServe SeaFAX Seagate Technology FAX servicesLocation Telephone number Seagate technical support FAXSeaTDD Seagate technical support lineGeneral description Drive characteristics Elite 23 Installation Guide, Rev. a Dimensions of the drive General information Drive modelsScsi ID jumpers Drive termination Circuits and data path widths Terminator powerCable characteristics for single-ended circuits Fifty-pin I/O connection to drive Multiple drive connection to host adapter Multiple-drive connection to host adapter Providing adequate cooling Kühlung des Systems Suggested air flow Abbildung 4. Empfohlener Luftstromverlauf Installation des Laufwerkes und Anschluß der Kabel Mounting the drive and connecting cablesElite 23 Installation Guide, Rev. a Pin Gleichstrom Pin PowerHinweis Page Mounting configuration dimensions Quick reference desktop system notes Formatting the driveSetting the Scsi ID on N models Setting the Scsi ID jumpersTerminating the drive Terminating the driveSetting terminator power jumpers on N models Additional jumper options Other applicable jumper optionsWD drives Terminating the drive ST423451W shown Setting terminator power jumpers on W models Other option jumpers are available as illustrated below LED indicator connections for all drive models Active, Ready, and Fault indicatorsPage Page