3.0 Drive Characteristics
This chapter provides the characteristics of the drives.
3.1 Logical Drive Format
The customer usable data capacity is as shown below.
Figure 3. Drive Parameter
Descriptions
Logical Head Number
Logical Sectors/Track
Logical Cylinder Number
Logical Sector Size
Total Customer Usable Data Sectors
Total Customer Usable Data Bytes
3.2 Data Sheet
Figure 4. Data Sheet
Media transfer rate [ Mb/sec]
Interface transfer rate [ MB/sec]
Data buffer size [ KB]
Rotational speed [ R P M ]
Average latency [ msec]
Recording density [ Kbpi]
Track density [ TPI]
Areal density [ Mb/sq.in.]
Number of zone
Number of disks
Number of heads
Servo design method
Copyright IBM Corp. 1997
DTNA-21800
16
63
3500
512
3 528 000
1800 MB
(1,806,336,000)
39.1 - 61.6
16.6 MB/sec Max ( PIO-4 / DMA-2 )
96 KB
( Read / Write )
4000
7.5
147.8 Maximum
8670
1280 Maximum
8
3
5 / 6
Embedded sector servo
DTNA-22160
16
63
4200
512
4 233 600
2160 MB
(2,167,603,200)
9