NEC POWERMATE PROFESSIONAL 9000 Service Manual page 65

Table 1-25 4.55-GB Quantum Viking SCSI Hard Disk Drive Specifications
Feature
Data Transfer Rate
Buffer to Disk (MB/second)
Buffer to Host (MB/second)
Interleave
Buffer Size
Interface
Actuator
Areal Density
Track Density
Maximum Data Rate from Media
Bytes per Sector
Setup Geometry of Drive
Servo Type
Maximum Linear Density
Recording Method
Power On To Ready
Start/Stop Cycles
Required voltages
Start Up
+5 VDC
+12 VDC
Idle Mode
+5 VDC
+12 VDC
Random Seek
+5 VDC
+12 VDC
Temperature
(non-condensing)
RelativeHumidity
(non-condensing)
Altitude
MTTF
Specification
139 (Burst)
40
1:1
512 KB
68-pin Wide Ultra SCSI-3
Rotary Voice Coil
2
849 Mbits/in
6,432 track per inch
139 Mbyte/second (Burst)
512 (default)
6,144 cylinders x 8 heads x 8,899,737 sectors
Sectored
140,000 fci
16/17 PR4-ML
15 seconds (typical)
30 seconds (max)
40,000 (minimum)
Current (amps, average)
.5
1.3
.47
.41
.54
.85
Operating: 5 to 55 C (41 to 131 F)
Non-operating: -40 to 75 C (-40 to 167 F)
Operating: 5% to 85%, maximum wet bulb 78.8 F
(26 C)
Non-operating: 5% to 95%, maximum wet bulb 104 F
(40 C)
Operating: -305 m to 3050 m (-1000 to 10,000 ft.)
Non-operating: -305 m to 12,200 m (-1000 to 40,000 ft.)
800,000 hours
Technical Information
Total Power (watts, average)
15.6
7.3
12.9
1-47