Micropolis 4221AV-Series

DRIVE SERIES SPECIFICATIONS

DRIVE SPECIFICATIONS - MODEL 4221AV

Formatted Capacity

Per Drive				2,050 MB

Bytes per Sector			512

Sectors per Track			Variable
	
Cylinders				4,050

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

Wide Synchronous		up to 20 MB/sec

Narrow Synchronous		up to 10 MB/sec

Asynchronous			up to 5 MB/sec

Internal Data Rate		49 to 81 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			Single-Ended

(Wide/Single-Ended or Wide/Differential are available as options)

Power Requirements

+12V +/-5% (average)			0.56 A
>
+12V +/-5% (max during start-up)	1.53 A

+5V +/-5% (average)			0.70 A



Power Dissipation, typical, idling	10.5 Watts

Power Dissipation, typical, seeking	11.5 Watts

Drive Configuration Information

(Board Layout and Jumper Options)

Drive Warranty Information