NEC POWERMATE PROFESSIONAL 9000 Service Manual page 68

1-50 Technical Information
Table 1-27 6.4-GB Quantum Fireball IDE Hard Disk Drive Specifications
Feature
Seek Times
Track to Track (typical)
Average, Read/Write
Maximum, Read/Write
Average Latency
Rotation Speed
Data Transfer Rate
Buffer to Disk (Mbits/sec)
Buffer to Host (Mbits/sec)
Interleave
Buffer Size
Power On To Ready (Typical)
Power On To Ready (Maximum)
Spindle Stop Time (Typical)
Spindle Stop Time (Maximum)
Start/Stop Cycles (Minimum)
Formatted Capacity
Number of Disks
Number of R/W Heads
Data Surfaces
Required voltages
Start Up
+5 VDC
+12 VDC
Idle Mode
+5 VDC
+12 VDC
Random Seek
+5 VDC
+12 VDC
Standby
+5 VDC
+12 VDC
Temperature
(non-condensing)
Specification
2.0 ms
9.5/11 ms
12/13 ms
5.56 ms
5400 RPM
158 (maximum)
33 (maximum)
1:1
128 KB
15 seconds
45 seconds
9 seconds
15 seconds
40,000
6448 Mbytes
3
6
6
Current (amps, average)
.650
1.65
.420
.280
.520
.830
.170
.018
Operating: 5 to 55 C (41 to 131 F)
Non-operating: -40 to 65 C (-40 to 167 F)
Total Power (watts, average)
23.05
5.46
12.56
1.07