NEC PowerMate Enterprise, Руководство пользователя

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Technical Information 1-39
Table 1-23 4.3-GB Quantum Fireball ST Hard Disk Drive Specifications
Feature Specification
Hard Disk Drive 4.3-GB Quantum Fireball ST
Physical Configuration
Formatted Capacity
Nominal Rotational Speed
Number of Disks
Number of R/W Heads 4310
5,400 rpm
3
6
Data Organization Zones per surface: 15
Tracks per surface: 7,066
Total tracks: 42,396
Sectors per Track Inside zone: 143
Outside zone: 239
Total user sectors: 8,418,816
Bytes per sector: 512
Number of tracks per cylinder: 6
Recording Recording technology: Multiple Zone
Maximum linear density: 152,390 fci
Encoding method: 16/17 PRML
Interleave: 1:1
Track density: 7,777 tpi
Maximum effective areal density: 1115 Mbits/in
2
Performance Seek times
Read-on-arrival: 10.0 ms typical; 12.0 ms max.
Track-to-track: 2.0 ms typical
Average write: 11.0 ms typical; 13.0 ms max.
Full stroke: 20.0 ms typical; 24.0 ms max.
Data transfer rate
Disk to read buffer: 70 Mb/sec. min.; 119 Mb/sec. max.
Read buffer to IDE bus (PIO Mode with IORDY):
16.7 MB/sec. max.
Read buffer to IDE bus (Ultra ATA Mode):
33 Mb/sec. max.
Buffer Size 128 KB
Power +5V +/-5%; 100 mV peak-to-peak allowable ripple/noise
12V +/-10%; 250 mV peak-to-peak allowable ripple/noise
Temperature (non-condensing)
Operating: 5
°
to 55
°
C (41
°
to 131
°
F)
Non-operating: -40
°
to 65
°
C (-40
°
to 149
°
F)
Humidity (non-condensing)
Operating: 5% to 85% rh, 30
°
C (86
°
F)
Non-operating: 5% to 95% rh, 40
°
C (104
°
F)
Altitude Operating: -200 m to 3,000 m (-650 to 10,000 ft.)
Non-operating: -200 m to 12,000 m (-650 to 40,000 ft.)
Dimensions Height: 1.0 inches (25.4 mm)
Width: 4.0 inches (101.6 mm)
Depth: 5.75 inches (146.1 mm)