NEC POWERMATE PROFESSIONAL 9000 Service Manual page 66

1-48 Technical Information
Table 1-25 4.55-GB Quantum Viking SCSI Hard Disk Drive Specifications
Feature
Dimensions
Table 1-26 4.55-GB Seagate Barracuda SCSI Hard Disk Drive Specifications
Feature
Hard Disk Drive
Interface
Actuator
Track Density
Maximum Data Rate from Media
Bytes per Sector
Setup Geometry of Drive
Servo Type
Recording Density
Recording Method
Seek Times
Track to Track, Read/Write
Average, Read/Write
Full Stroke, Read/Write
Average Latency
Rotation Speed
Data Transfer Rate
Buffer to Disk (MB/second)
Buffer to Host (MB/second)
Interleave
Buffer Size
Power On To Ready
Spindle Stop Time
Formatted Capacity
Rotational Speed
Number of Disks
Number of R/W Heads
Data Surfaces
Specification
Height: 1.0 inches (25.4 mm)
Width: 4.0 inches (101.6 mm)
Depth: 5.75 inches (146.1 mm)
Weight: 1.16 lb. (530 g)
Specification
4.55-GB Seagate Barracuda ST34572W
Ultra SCSI
Balanced Rotary Voice Coil
6,800 track per inch
17.5 Mbyte/second (Burst)
512 (default)
5,178 cylinders x 8 heads x 8,496,884 sectors
Embedded
139,209 bits/inch (maximum)
RLL (0, 4, 4) Partial Response Maximum Likelihood (PRML)
1.7/1.8 ms (typical)
9.4/10.4 ms (typical)
19.7/20.2 ms (maximum)
4.17 ms
7200 RPM
17.5 (Burst)
2.5 to 40
1:1
512 KB
20 seconds
20 seconds
4.55 GB
7,200(rpm)
4
8
8