DRIVE SERIES SPECIFICATIONS
DRIVE SPECIFICATIONS - MODEL 4221WAV
(Wide, Single-Ended Interface)
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/Single-Ended
Power Requirements
+12V +/-5% (average) 0.5 A
+12V +/-5% (max during start-up) 1.7 A
+5V +/-5% (average) 0.9 A
Power Dissipation, typical, idling 10.25 Watts
Power Dissipation, typical, seeking 11.5 Watts
(Board Layout and Jumper Options)
Drive Warranty Information