NEC POWERMATE PROFESSIONAL 9000 Service Manual page 69

Table 1-27 6.4-GB Quantum Fireball IDE Hard Disk Drive Specifications
Feature
RelativeHumidity
(non-condensing)
Altitude
MTTF
Dimensions
Table 1-28 8.4-GB Quantum Fireball IDE Hard Disk Drive Specifications
Feature
Hard Disk Drive
Interface
Actuator
Track Density
Maximum Data Rate from Media
Bytes per Sector
Setup Geometry of Drive
Areal Density
Servo Type
Recording Density
Recording Method
Seek Times
Track to Track (typical)
Average, Read/Write
Maximum, Read/Write
Average Latency
Rotation Speed
Specification
Operating: 5% to 85%, maximum wet bulb 86 F
(30 C)
Non-operating: 5% to 95%, maximum wet bulb 104 F
(40 C)
Operating: -198.25 m to 3050 m (-650 to 10,000 ft.)
Non-operating: -198.25 m to 12,200 m (-650 to 40,000 ft.)
500,000 hours
Height: 1.0 inches (25.4 mm)
Width: 4.0 inches (101.6 mm)
Depth: 5.74 inches (146.1 mm)
Specification
6.4-GB Quantum Fireball SE84A012-01-A-H
40-pin IDE
Rotary Voice Coil Motor (VCM)
8,400 track per inch
158 Mbits/second (Burst)
512 (default)
13,328 cylinders x 15 heads x 12,594,960 sectors
2
1,645 Mbits/in
Embedded Sectored
208,147 fci (maximum)
16/17 Partial Response Maximum Likelihood (PRML)
2.0 ms
9.5/11 ms
12/13 ms
5.56 ms
5400 RPM
Technical Information 1-51