DRIVE SPECIFICATIONS - MODEL 3243

Formatted Capacity

Per Drive		4,290 MB
Bytes per Sector 512
Sectors per Track Variable
Cylinders 4,081

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
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
Model 3243W is 16-Bit Wide/Single-Ended,
Model 3243WD is 16-Bit Wide/Differential

Power Requirements

+12V +/-5% (average)			0.9 A
+12V +/-5% (max during start-up) 2.52 A
+5V +/-5% (average) 0.6 A

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

Drive Configuration Information

(Board Layout and Jumper Options)

Drive Warranty Information

Last Update 16 August 1995