Seagate ST19101N/W/WC/WD/DC manual Drive characteristics

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16	Cheetah 9 Installation Guide, Rev. B

Table 1. Drive characteristics

Characteristics of the various drives covered by this manual are given in the following tables.

Interface type:	SCSI Fast-20 (also called
	Ultra SCSI1)
Cylinders (user accessable):	6,526
Disk rotation:	10,033 r/min ±.5%
Avg. latency:	2.99 msec
Seek time2
Average read (typical)	8.2 msec
Average write (typical)	9.7 msec
Internal transfer rate	122 to 177 Mbits/sec
(variable with zone)
Multi-segmented cache	442 Kbytes of the .5 Mbyte
	physical buffer space

1Also operates per SCSI-1/SCSI-2/SCSI-3 protocols.

2Includes on-board controller overhead.

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Contents ST19101N/W/WC/WD/DC Contents Preface Electrostatic discharge protection Important safety information and precautions Cheetah 9 Installation Guide, Rev. B Wichtige Sicherheitshinweise Cheetah 9 Installation Guide, Rev. B Page Regulatory agency compliance Electromagnetic susceptibilityElectromagnetic compliance Electromagnetic compliance for the European Union Australian C-TickOnline services Seagate.comSeagate CompuServe forum FAX services SeaFAXDirect-support services Seagate technical supportCustomer service centers Manufacturer’s representativesGeneral description Drive characteristics Additional drive characteristics DC power requirements Amps ST19101 WC models WD, DC models +12V +5V Voltage regulation ± 5%Dimensions of the drive Drive models General informationScsi ID jumpers Drive termination Terminator power Circuits and data path widthsCable 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 Suggested air flow Abbildung 4. Empfohlener LuftstromverlaufMounting the drive and connecting cables Installation des Laufwerkes und Anschluß der KabelPage Pin Power Pin GleichstromHinweis Cheetah 9 Installation Guide, Rev. B Mounting configuration dimensions Formatting the drive Quick reference desktop system notesSetting the Scsi ID jumpers Setting the Scsi ID on model N drivesTerminating the drive Terminating the driveSetting terminator power jumpers Other applicable jumper options Additional 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 Applicable jumper options Jumper optionsDrive Active indicator Drive Active LED indicator connectionsPage Page