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