Formatted Capacity

Per Drive			9,090 MB

Bytes per Sector		512

Sectors per Track		Variable
	
Cylinders			4,477

Performance

Data Rate

Max. Sustained			6.9 MB/sec

Min. Sustained			4.1 MB/sec


Avg. Seek Time (including settling time)	12 msec

Avg. Rotational Latency				5.56 msec

Rotational Speed				5400 rpm +/- 0.5%

Data Transfer Rate at Interface

Synchronous			up to 10 MB/sec

Asynchronous			up to 5 MB/sec

Internal Data Rate		47 to 77 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 1991WAV is 16-Bit Wide/Single-Ended)

Power Requirements

+12V +/-5% (average)			2.3 A

+12V +/-5% (max during start-up)	4.8 A

+5V +/-5% (average)			1.0 A


Power Dissipation, typical, idling	30 Watts

Power Dissipation, typical, seeking	33 Watts

Drive Configuration Information

(Board Layout and Jumper Options)

Drive Warranty Information