DRIVE SERIES SPECIFICATIONS
DRIVE SPECIFICATIONS - 1570 Series
Capacity
Model Number
1574-07 1575-08 1575-09 1576-10 1576-11 1577-12 1577-13 1578-14 1578-15
Unformatted Capacity (MBytes)
178.4 203.9 229.4 254.9 280.3 305.8 331.1 356.8 382.3
Read/Write Heads
7 8 9 10 11 12 13 14 15
Formatted Capacity (MBytes)
154.6 177.1 198.9 221.3 243.2 265.6 2878.4 309.9 331.7
(All other specs are common for all members of the 1570 Series)
Bytes per Sector 512
Sectors per Track 36
Cylinders 1,224
Bytes per Track 20,832
Performance
Seek Time (including settling time)
Track-to-Track 4 msec
Average 16 msec
Maximum 35 msec
Avg. Rotational Latency 8.33 msec
Rotational Speed 3600 rpm +/- 0.5%
Data Transfer Rate at Interface
Synchronous 4 MB/sec
Asynchronous 1.6 MB/sec
Data Transfer Rate 10 Mbits/sec
MTBF (power-on hours) 150,000
Positioner Fully balanced rotary voice coil
Parking Automatic park and lock
General Functional Specifications
Form-Factor 5 1/4-inch, "full-height"
Interface SCSI
Supports Full Common Command Set Yes
Write Precompensation Start Cylinder 1224
Reduced Write Current Start Cylinder 1224
Landing Zone 1224
Mounting Plane Any orientation
Drivers/Receivers Single-ended
Power Requirements
+12V +/-5% 2.25 A average
+12V +/-5% (max. during start-up) 4.25 A
+5V +/-5% (average) 2.0 A
Power Dissipation, typical 32 Watts
(Board Layout and Jumper Options)
Drive Warranty Information