Device Overview

1-4 C141-E104-02EN

1.2 Device Specifications

1.2.1 Specifications summary

Table 1.1 shows the specifications of the disk drives (MHL Series a nd MHM Seri es).

Table 1.1 Specifications (1/2)

MHL2300AT MHM2200AT MHM2150AT MHM2100AT
Format Capacity ( *1) 30 GB 20 GB 15 GB 10 GB
Number of Heads 6 4 32
Number of Cylinders (User) 19,904
Number of Sectors (User) 58,605,120 39,070,080 29,498,112 19,640,880
Bytes per Sector 512
Recording Method 16/17 MTR
Track Density 32,300 TPI (1271 track/mm)
Bit Density 499.7 Kbpi (19.67 k bit/mm)
Rotational Speed 4,200 rpm ± 1%
Average Latency 7.14 ms
Positioning time (read and seek)
• Minimum (Track to Track)
• Average
• Maximum (Full)
1.5 ms (typ.)
Read: 12 ms (typ.)
22 ms (typ.)
Start/Stop time
• Start (0 rpm to Drive Read)
• Stop (at Power Down)
Typ.: 5 sec
Typ.: 5 sec
Interface ATA-5 (Max. Cable length: 0.46 m)
Data Transfer Rate
• To/From Media 16.4 to 28.7 MB/s
• To/From Host 66.6 MB/s Max.
(U-DMA mode 4)
Data Buffer Size 2 MB
Physical Dimensions
(Height × Width × Depth) 12.5 mm ×
100.0 mm ×
70.0 mm
9.5 mm × 100.0 mm ×70.0 mm
Weight 134 g 98 g
*1: Capacity under the LBA mode.