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8.4-GB Quantum Hard Drive Specifications
The specifications for the 8.4-GB Quantum Fireball SE hard drive are included
in the following table.
Feature
Hard Drive
Formatted Capacity
Nominal Rotational Speed
Number of Disks
Number of R/W Heads
Sectors
Recording
Performance
Buffer Size
Power
Temperature (non-condensing)
Humidity (non-condensing)
Altitude
Dimensions
Weight
8.4-GB Quantum Fireball Hard Drive Specifications
Specification
8.4-GB Quantum Fireball SE
8400 MB
5,400 rpm
4
8
Sectors per drive: 12,594,960
Bytes per sector: 512
Recording technology: Multiple Zone
Maximum linear density: 208,147 fci (max)
Encoding method: 16/17 PRML
Track density: 8400 tpi
Maximum effective areal density: 1645 Mbits/in
Seek times
Track-to-track: 2.0 ms typical
Average: 9.5 ms read, 11 ms write
Maximum: 12.0 ms read, 13 ms write
Data transfer rate
Buffer to disc: 158 Mb/sec.
Buffer to host: 33 MB/sec. max.
Interleave: 1:1
128 KB
+5V +/-5%; 100 mV peak-to-peak allowable ripple/noise
12V +/-10%; 250 mV peak-to-peak allowable ripple/noise
Operating: 5 to 55 C (41 to 131 F)
Non-operating: -40 to 65 C (-40 to 149 F)
Operating: 5% to 85% rh, 30 C (86 F)
Non-operating: 5% to 95% rh, 40 C (104 F)
Operating: -200 m to 3,000 m (-650 to 10,000 ft.)
Non-operating: -200 m to 12,000 m (-650 to 40,000 ft.)
Height: 1.0 inches (25.4 mm)
Width: 4.0 inches (101.6 mm)
Depth: 5.75 inches (146.1 mm)
1.2 lbs (0.5 Kg)
2
Specifications 10-9
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