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Device Overview
1-4 C141-E042-01EN
1.2 Device Specifications
1.2.1 Specifications summary
Table 1.1 shows the specfications of the disk drive.
Table 1.1 Specifications
MHA2021AT MHA2032AT
Format Capacity (*1) 2.16 GB 3.25 GB
Number of Heads 4 6
Number of Cylinders (User) 6,372
Bytes per Sector 512
Recording Method (8/9) PRML
Track Density 10,555 TPI
Bit Density 157,422 BPI
Rotational Speed 4,000 rpm ± 1%
Average Latency 7.5 ms
Positioning time (read and seek)
• Minimum (Track to Track)
• Average
• Maximum (Full)
2.5 ms (typ.)
Read: 13 ms (typ.)
23 ms (typ.)
Start/Stop time
• Start (0 rpm to Drive Read)
• Stop (at Power Down)
Typ.: 5 sec, Max.: 10 sec
Typ.: 5 sec, Max.: 15 sec
(when the command is stopped) (when the power is off)
Interface ATA-3 (Max. Cable length: 0.46 m)
Data Transfer Rate
• To/From Media
• To/From Host
4.93 to 8.92 MB/s
16.6 MB/s Max.
(burst PIO mode 4, burst DMA mode 2)
Data Buffer Size 128 KB
Physical Dimensions
(Height × Width × Depth)
12.5 mm × 100.0 mm × 70.0 mm
(0.49" × 3.94" × 2.75")
Weight 145 g