Fujitsu MHD2021AT 用户手册
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
(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.
number of cylinders, number of heads, and number of sectors are as
follows.