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C141-E045-02EN1 - 4
1.2 Device Specifications
1.2.1 Specifications summary
Table 1.1 shows the specifications of the disk drive.
Table 1.1 Specifications
MPB3021AT MPB3032AT MPB3043AT MPB3052AT MPB3064AT
Formatted Capacity (*1) 2162.76 MB 3243.66 MB 4325.52 MB 5249.66 MB 6488.29 MB
Number of Heads 2 3 4 5 6
Number of Cylinders
(User + Alternate & SA)
8,983 + 123
Bytes per Sector 512
Recording Method 8/9 PRML
Track Density 9531 TPI
Bit Density 161,815 BPI
Rotational Speed 5400 rpm ± 0.5%
Average Latency 5.56 ms
Positioning time
• Minimum
• Average
• Maximum
2.5 ms typical
(Read) 10 ms typical, (Write) 11 ms typical
(Read) 19 ms typical, (Write) 20 ms typical
Start/Stop time
• Start (0 rpm to Drive Read)
• Stop (at Power Down)
Typical: 8 sec., Maximum: 16 sec.
Typical: 20 sec., Maximum: 26 sec.
Interface ATA–3
(Maximum Cable length: 0.46 m)
Data Transfer Rate
• To/From Media 9.58 to 16.71 MB/s
• To/From Host 16.7 MB/s Max. (burst PIO mode 4, burst DMA mode 2),
33.3 MB/s Max. (burst ultra DMA mode 2)
Data buffer 256 KB
Physical Dimensions
(Height × Width × Depth)
25.4 mm × 101.6 mm × 146.0 mm
(1.0” × 4.0” × 5.75”)
Weight 500 g
*1: Capacity under the LBA mode and the CHS mode.
Under the CHS mode (normal BIOS specification), formatted capacity, number of cylinders,
number of heads, and number of sectors are as follows.
Model Formatted Capacity No. of Cylinder No. of Heads No. of Sectors
MPB3021AT 2162.76 4,470 15 63
MPB3032AT 3243.66 6,704 15 63
MPB3043AT 4325.52 8,940 15 63
MPB3052AT 5249.66 10,850 15 63
MPB3064AT 6488.29 13,410 15 63