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