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