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Orchestrating a brigher world

USA

D3146H Hard Drive

Capacity Formatted: 40.3 MB
Unformatted: 51.24 MB
Configuration Information
Switches Drive Address Switch:
SW2-1 "on," all others "off" = addr 1
SW2-2 "on," all others "off" = addr 2
SW2-3 "on," all others "off" = addr 3
SW2-4 "on," all others "off" = addr 4
Terminating Resistor Switch:
Serial configuration-SW1-1 always "off";
if one drive, set SW1-2 thru 8 to "on."
If more than one drive, set SW1-2 thru 8 to "off."
Parallel configuration-set SW1-1 thru 8 to "on" for all drives.
Dimensions
Height 1.6 in/41 mm
Width 4.0 in/101 mm
Depth 5.8 in/146 mm
Weight 2.0 lb/0.9 KG
Disk Configuration
Disk Size 3.5"
Disks 4
Data Heads 8
Data Surfaces 8
Tracks/Surface 615
Track Density 850 tpi
Bit Density 14,000 bpi
Record Method MFM
Rotational Rate 3,600 RPM
Start/Stop Time 15 seconds typical
Environmental
Shock Operating = 2 G (10 ms) Non-operating = 40 G (10 ms)
Vibration Operating = 0.2 G Non-operating = 0.5 G
Performance Specifications
Seek Times Average = 40 ms Track to track = 8 ms Maxiumum = 80 ms
Latency, Avg 8.33 ms
Interface ST412
Data Transfer 625 KB/sec
Power
Voltage Required +5V/+12V
Power Dissipation Ready mode = 9.2 watts
Reliability
MTBF 30,000 POH
MTTR 30 Minutes