IBM DTCA-23240 - Travelstar 3.2 GB Hard Drive, Specifications

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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.
3.2 Data Sheet
Figure 3. Drive Parameter
Descriptions DTCA-23240 DTCA-24090
Logical Head Number 16 16
Logical Sectors/Track 63 63
Logical Cylinder Number 6304 7944
Logical Sector Size 512 512
Total Customer Usable Data Sectors 6 354 432 8 007 552
Total Customer Usable Data Bytes 3240 M B
(3,253,469,184)
4090 M B
(4,099,866,624)
Figure 4. Data Sheet
Media transfer rate [ Mb/sec] 51.7 - 83.4
Interface transfer rate [ MB/sec] 33.3 MB/sec Max ( Ultra D M A Mode-2 )
16.6 MB/sec Max ( PIO-4 )
Data buffer size [ KB] 512 KB ( Read / Write )
Rotational speed [ R P M ] 4000
Average latency [ msec] 7.5
Recording density [ Kbpi] 211 Maximum
Track density [ TPI] 12,500
Areal density [ Gb/sq.in.] 2.64 Maximum
Number of zone 12
Number of disks 3
Number of heads 5 / 6
Servo design method Embedded sector servo
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Copyright IBM Corp. 1997
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