Seagate ST118202LW/LC manual General description

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Cheetah 18 Installation Guide, Rev. A

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General description

Cheetah 18 SCSI disc drives are high-speed, random-access digital-data storage devices capable of operating in single-ended (SE) or low voltage differential (LVD) modes.

These two modes are offered to allow you to use this drive in systems that use the traditional SE technology or to use it in LVD-capable systems. Refer to page 20 for additional informa- tion about LVD technology.

The drive is a component for installation in an enclosure designed for the drive. This is often a rack within the system or an external enclosure designed to house one or more disc drives or other peripheral units. In either case, the disc drive must receive adequate cooling (refer to “Providing adequate cooling”) and it must be sufficiently grounded and shielded from emis- sions. The Cheetah 18 Product Manual (part number 83329260) contains guidelines for a properly designed enclosure.

Attention. This high performance Cheetah disc drive must have proper power and cooling for reliable operation.

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Contents Cheetah Disc Drive ST118202LW/LC Installation Guide Contents Electrostatic discharge protection PrefaceImportant safety information and precautions Page Wichtige Sicherheitshinweise Page Cheetah 18 Installation Guide, Rev. a Electromagnetic susceptibility Regulatory agency complianceElectromagnetic compliance for the European Union Seagate Technology support services SeaNET Seagate CompuServe forum Online servicesSeaFAX FAX services Technical support Direct-support servicesCustomer service centers Manufacturer’s representatives General description Cheetah 18 family drive ST118202LW shown Characteristics ST118202LW/LC DC power requirements ±5%1 +5 +12 General information Drive modelsScsi ID jumpers Single-ended and low voltage differential modesPage Drive termination Circuits and data path widths Terminator powerCable 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 Installation des Laufwerkes und Anschluß der Kabel Mounting the drive and connecting cablesCheetah 18 Installation Guide, Rev. a DC power connector Abbildung 8. Gleichstromanschluß Hinweis Page Mounting configuration dimensions LW model Mounting configuration dimensions LC model Quick reference desktop system notes Formatting the driveLW drives Setting the Scsi ID jumpersTerminating the drive Setting terminator power jumpers Several other jumper options are available as illustrated Other applicable jumper optionsAdditional jumper options Drive Active LED indicator connections are shown below Drive Active indicatorLC drives Terminating the drive Other option jumpers are available as illustrated below Drive Active indicator