Micropolis 4221WDAV-Series

DRIVE SERIES SPECIFICATIONS

Formatted Capacity

Per Drive			2,050 MB

Bytes per Sector		512

Sectors per Track		Variable
	
Cylinders			4,150

Performance

Data Rate

Max. Sustained					7.3 MB/sec

Min. Sustained					4.0 MB/sec



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		49 to 83 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)			0.5 A

+12V +/-5% (max during start-up)	1.52 A

+5V +/-5% (average)			1.25 A



Power Dissipation, typical, idling	12.25 Watts

Power Dissipation, typical, writing	13.45 Watts

Power Dissipation, typical, reading	15.45 Watts

Power Dissipation, typical, seeking	13.5 Watts

Drive Configuration Information

Drive Warranty Information