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

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22	Elite 23 Installation Guide, Rev. A

*SCSI ID X (or last drive)

SCSI ID 1

SCSI ID 0

“N” Model

Drive

Additional

SCSI devices

*“X” means up to ID6 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 3c. Multiple drive connection to host adapter

Image 24

Contents Elite Disc Drive ST423451N/W/WD Contents Preface Electrostatic discharge protectionImportant safety information and precautions Page Wichtige Sicherheitshinweise Page European Union Compliance Page Seagate Technology Online services SeaFONE at 1-800-SEAGATESeaNET SeaBOARD BBS Location Modem numberSeagate Technology Forum on CompuServe Seagate Technology FAX services SeaFAXLocation Telephone number Seagate technical support FAXSeagate technical support line SeaTDDGeneral description Drive characteristics Elite 23 Installation Guide, Rev. a Dimensions of the drive Drive models General informationScsi ID jumpers Drive termination Terminator power Circuits and data path widthsCable 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 Mounting the drive and connecting cables Installation des Laufwerkes und Anschluß der KabelElite 23 Installation Guide, Rev. a Pin Power Pin GleichstromHinweis Page Mounting configuration dimensions Formatting the drive Quick reference desktop system notesSetting the Scsi ID jumpers Setting the Scsi ID on N modelsTerminating the drive Terminating the driveSetting terminator power jumpers on N models Other applicable jumper options Additional jumper optionsWD drives Terminating the drive ST423451W shown Setting terminator power jumpers on W models Other option jumpers are available as illustrated below Active, Ready, and Fault indicators LED indicator connections for all drive modelsPage Page