Seagate Installation Guide for DVD Recorder Models ST32171N and ST34371N

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14	Barracuda 4LP Installation Guide, Rev. B

[2]Standard factory units are formatted 512 data bytes per sector with sparing equivalent to eighty spare sectors per eight cylinder region. Spares are located at the end of each sparing region.

[3]Includes controller overhead.

Table 2a. DC power requirements (Amps)

					ST34371/ST34571
					N/W/WC		WD/DC
					Single-ended		Differential
Voltage					+5V	+12V	+5V	+12V
Regulation [5]					±5%	±5%[2]	±5%	±5%[2]
Max. operating current
DC3σ [1]					0.81	0.95	1.21	0.95
				[1]	0.46	0.54	0.70	0.54
Avg. idle current DCX				[1]	0.46	0.54	0.70	0.54
Max. starting current
(peak DC) DC3σ [3]					0.78	2.44	1.1	2.44
(peak AC) AC3σ [3]						3.1		3.1
Delayed motor start (max)
DC3σ [1][4]					0.48	0.20	0.90	0.20
Peak operating current
		[1][6]			0.75	0.76	1.05	0.76
Typical DCX		[1][6]			0.75	0.76	1.05	0.76
Maximum DC3σ [1]					0.81	0.95	1.21	0.95
Maximum (peak) 3σ					1.5	2.5	2.0	2.5

Notes for this table follows Table 2b.

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Contents Barracuda 4LP Disc Drive Contents Preface Electrostatic discharge protectionImportant safety information and precautions Page Wichtige Sicherheitshinweise Page Barracuda 4LP Installation Guide, Rev. B European Union Compliance SeaFONE at 1-800-SEAGATE Seagate Technology online servicesSeaNET Seagate CompuServe Forum SeaBOARDBBS Location Modem number Seagate Technology FAX services SeaFAX Seagate technical support FAXSeagate technical support Location Telephone numberSeaTDD General description Drive characteristics RPMDC power requirements Amps ST34371/ST34571 Single-ended DifferentialDC power requirements Amps ST32171/ST32271 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 Barracuda 4LP Installation Guide, Rev. B 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 KabelBarracuda 4LP Installation Guide, Rev. B DC power connector Abbildung 5. Gleichstromanschluß Hinweis Page 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 Host Alternate Terminating the drive W model shown Front DC Power Enlarged to Show detail Connector Other option jumpers are available as illustrated below WC/DC drives Applicable jumper options Jumper optionsPage Page