Micropolis 3243-Series

DRIVE SERIES SPECIFICATIONS

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