Micropolis 3221-Series

DRIVE SERIES SPECIFICATIONS

DRIVE SPECIFICATIONS - MODEL 3221/3221AV

Formatted Capacity

Per Drive		2,050 MB
Bytes per Sector 512
Sectors per Track Variable
Cylinders 3,956

AV Specifications (3221AV Only)

Max. Sustained Data Rate	6.9 MB/sec
Min. Sustained Data Rate 3.8 MB/sec


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 10 MB/sec
Asynchronous up to 5 MB/sec
Internal Data Rate 46 to 80 Mbits/sec
MTBF (power-on hours) 650,000 (Office Environment)
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 8-Bit ("Narrow") Single-Ended

Power Requirements

+12V +/-5% (average)			0.9 A
+12V +/-5% (max during start-up) 1.66 A
+5V +/-5% (average) 0.7 A

Power Dissipation, typical, idling 14 Watts
Power Dissipation, typical, seeking 16 Watts

Drive Configuration Information

(Board Layout and Jumper Options)

Drive Warranty Information