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1.2 Device Specifications
C141-E050-02EN 1-5
Table 1.2 shows the specfications of the disk drives (MHD2021AT/MHD2032AT).
Table 1.2 Specifications (MHD2021AT/MHD2032AT)
MHD2021AT MHD2032AT
Format Capacity (*1)
2.16 GB
3.25 GB
Number of Heads
3 4
Number of Cylinders (User)
7,290
7,322
Bytes per Sector
512
Recording Method
(16/17) EPR4ML
Track Density
11,960 TPI
Bit Density
191 Kbpi
217 Kbpi
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
5.9 to 10.0 MB/s
6.3 to 10.6 MB/s
• To/From Host
33.3 MB/s Max.
(U-DMA mode 2)
Data Buffer Size
512 KB
Physical Dimensions
(Height
×
Width
×
Depth)
9.5 mm
×
100.0 mm
×
70.0 mm
(0.37"
×
3.94"
×
2.75")
Weight
95 g
*1: Capacity under the LBA mode.
Under the CHS mode (normal BIOS specification), formatted capacity,
number of cylinders, number of heads, and number of sectors are as
follows.