NEC POWERMATE PROFESSIONAL 9000 Service Manual page 67

Table 1-26 4.55-GB Seagate Barracuda SCSI Hard Disk Drive Specifications
Feature
Required voltages
Start Up
+5 VDC
+12 VDC
Idle Mode
+5 VDC
+12 VDC
Temperature
(non-condensing)
RelativeHumidity
(non-condensing)
Altitude
MTTF
Dimensions
Table 1-27 6.4-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
Specification
Current (amps, average)
.78
2.44
.46
.54
Operating: 5 to 50 C (41 to 122 F)
Non-operating: -40 to 70 C (-40 to 158 F)
Operating: 5% to 90%, 10%/hour maximum
Non-operating: 5% to 95%,
Operating: -305 m to 3050 m (-1000 to 10,000 ft.)
Non-operating: -305 m to 12,200 m (-1000 to 40,000 ft.)
1,000,000 hours
Height: 1.0 inches (25.4 mm)
Width: 4.0 inches (101.6 mm)
Depth: 5.74 inches (145.8 mm)
Weight: 1.5 lb. (.68 g)
Specification
6.4-GB Quantum Fireball SE64A012-01-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)
Technical Information
Total Power (watts, average)
33.18
8.78
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