Micropolis 3243WD-Model

DRIVE SERIES SPECIFICATIONS

DRIVE SPECIFICATIONS - MODEL 3243WD (Wide, Differential Interface)

Formatted Capacity

Per Drive			4,294 MB

Bytes per Sector		512

Sectors per Track		Variable
	
Cylinders			3,956

Performance

Data Rate

Avg. Seek Time (including settling time)	8.9 msec

Avg. Rotational Latency				4.17 msec

Rotational Speed				7200 rpm +/- 0.5%

Data Transfer Rate at Interface

Synchronous			up to 20 MB/sec

Asynchronous			up to 10 MB/sec

Internal Data Rate		46 to 80 Mbits/sec

MTBF (power-on hours)		650,000

Positioner			Fully balanced rotary voice coil

Parking				Automatic park and lock

General Functional Specifications

Interface				Fast SCSI-2

Supports Full Common Command Set	Yes

Drivers/Receivers			Wide/Differential

Power Requirements

+12V +/-5% (average)			0.9 A

+12V +/-5% (max during start-up)	1.66 A

+5V +/-5% (average)			1.0 A



Power Dissipation, typical, idling	16 Watts

Power Dissipation, typical, writing	17.2 Watts

Power Dissipation, typical, reading	19.2 Watts

Power Dissipation, typical, seeking	18 Watts

Drive Configuration Information

(Board Layout and Jumper Options)

Drive Warranty Information