NEC PowerMate Enterprise, Руководство пользователя

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1-36 Technical Information
Table 1-20 1-GB Seagate Medalist EIDE Hard Disk Drive Specifications
Feature Specification
Hard Disk Drive 1-GB Seagate Medalist (ST31012A) (non-Ultra DMA 32
drive)
Physical Configuration
Formatted Capacity
Nominal Rotational Speed
Number of Disks
Data Surfaces
Number of R/W Heads 1082 MB
4500 rpm
1
2
2
Data Organization Track density: 5990
Areal density: 685 Mbits/in.
2
Sectors per Track Bytes per sector: 512
Number of tracks per cylinder: 3
Performance Seek times
Track-to-track: 2.0 ms typical
Average read/write: 12.5 ms typical; 14.5 ms max.
Maximum read/write: 22.0 ms typical; 23.0 ms max.
Data transfer rate
Buffer to disk: 87.8 Mb/sec. max.
Buffer to host: 33.3 Mb/sec. max.
Interleave: 1:1
Buffer Size 128 KB
Power +5Vdc
+12Vdc
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: 8% to 80% rh
Non-operating: 8% to 80% rh
Altitude Operating: -61 m to 3,000 m (-200 to 10,000 ft.)
Non-operating: -61 m to 12,000 m (-200 to 40,000 ft.)
Dimensions Height: 1.3 inches (26.2 mm)
Width: 4.03 inches (102.4 mm)
Depth: 5.78 inches (146.8 mm)