Seagate ST118202LW/LC manual Multiple-drive connection to host adapter

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26

Cheetah 18 Installation Guide, Rev. A

“LW” Model

Drive

Note:

 

Do not mix

 

“LW” and “WD”

 

model drives

 

on the daisy

[2]

chain.

 

SCSI ID 1

SCSI ID 0

Terminator

2 through X SCSI devices [1]

Pin 1

(check your

adapter for Pin 1 location)

SCSI ID 7

Terminated

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 1.

[2]External terminator. Used only on end “LW” drive. Use only SPI-2- compliant active LVD terminators on SCSI Ultra2 buses.

Figure 5. Multiple-drive connection to host adapter

Image 28
Contents Cheetah Disc Drive ST118202LW/LC Installation Guide Contents Preface Electrostatic discharge protectionImportant safety information and precautions Page Wichtige Sicherheitshinweise Page Cheetah 18 Installation Guide, Rev. a Regulatory agency compliance Electromagnetic susceptibilityElectromagnetic compliance for the European Union Seagate Technology support services Online services SeaNET Seagate CompuServe forumFAX services SeaFAXDirect-support services Technical supportCustomer service centers Manufacturer’s representatives General description Cheetah 18 family drive ST118202LW shown Characteristics ST118202LW/LC DC power requirements ±5%1 +5 +12 Drive models General informationSingle-ended and low voltage differential modes Scsi ID jumpersPage Drive termination Terminator power Circuits and data path widthsCable characteristics for SE and LVD circuits Pin I/O connection to drive LW model Multiple-drive connection to host adapter Drive model LC with single 80-pin I/O and power connector Providing adequate cooling Kühlung des Systems Suggested air flow Mounting the drive and connecting cables Installation des Laufwerkes und Anschluß der KabelCheetah 18 Installation Guide, Rev. a DC power connector Abbildung 8. Gleichstromanschluß Hinweis Page Mounting configuration dimensions LW model Mounting configuration dimensions LC model Formatting the drive Quick reference desktop system notesSetting the Scsi ID jumpers LW drivesTerminating the drive Setting terminator power jumpers Other applicable jumper options Several other jumper options are available as illustratedAdditional jumper options Drive Active indicator Drive Active LED indicator connections are shown belowLC drives Terminating the drive Other option jumpers are available as illustrated below Drive Active indicator