NEC POWERMATE PROFESSIONAL 9000 Service Manual page 72

1-54 Technical Information
Table 1-30 8.4-GB IBM Deskstar 5 IDE Hard Disk Drive Specifications
Feature
Hard Disk Drive
Data Capacity
Number of Zones
Number of Disks
Number of Heads
Seek Time
Average Latency
Interleave
Areal Density
Media Transfer Rate
Interface Transfer Rate
Data Buffer Size
Rotational Speed
Recording Density
Track Density
Servo Design Method
Input Voltage
+5 V Supply
+12 V Supply
Ripple
+5 VDC
+12 VDC
Temperature (non-condensing)
Humidity (non-condensing)
Altitude
Dimensions
Specification
IBM Deskstar 5 DHEA-38451
8450 MB
8
4
8
9.5 ms for Read Operation
5.56 ms
1:1
2
1747 Mbits/in (maximum)
76.2 - 127.4 Mbits per second
33.3 MB per second
472 KB
5400 RPM
162.6 KBPI
10700 TPI
Embedded Servo Sector
During Run Up and Spin
5 V +5%
12 V +10%, -8%
100 mV peak-to-peak maximum ripple, 0-10 MHz
150 mV peak-to-peak maximum ripple, 0-10 MHz
Operating: 5 to 55 C (41 to 131 F)
Non-operating: -40 to 65 C (-40 to 149 F)
Operating: 8% to 90% rh, 29.4 C (84.9 F) Maximum Wet
Bulb
Non-operating: 5% to 95% rh, 35 C (95 F) Maximum Wet
Bulb
Operating: -300 m to 3048 m (-984 to 9,997.4 ft.)
Non-operating: -300 m to 12,200 m (-984 to 40,000 ft.)
Height: 1.0 inches (25.4 mm)
Width: 4.0 inches (101.6 mm)
Depth: 5.75 inches (146.1 mm)
Weight: 1.23 lb. (560 grams)
Absolute Maximum Voltage
7 V
15 V