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1.2 Device Specifications
1.2.1 Specifications summary
Table 1.1 shows the specifications of the disk drive.
Table 1.1 Specifications
MPG3153AT MPG3307AT MPG3102AT MPG3204AT MPG3409AT
Formatted Capacity (*1) 15.37 GB 30.74 GB 10.24 GB 20.49 GB 40.99 GB
Number of Disks12112
Number of Heads 24124
Number of Cylinders
(User + Alternate & SA)
28,928 + 698 30,784 + 769
Bytes per Sector 512
Recording Method 48/51 CC2EPRML
Track Density 31,000 TPI 33,000 TPI
Bit Density 388,716 BPI 478,415 BPI
Rotational Speed 5400 rpm
Average Latency 5.56 ms
Positioning time (Fast)
• Minimum
• Average
• Maximum
(Read) 1.0 ms typical, (write) 1.2 ms typical
(Read) 9.5 ms typical, (write) 10.5 ms typical
(Read) 17 ms typical, (write) 18 ms typical
Positioning time (Slow)
• Minimum
• Average
• Maximum
(Read) 1.0 ms typical, (write) 1.2 ms typical
(Read) 12 ms typical, (write) 13 ms typical
(Read) 20 ms typical, (write) 21 ms typical
Start/Stop time
• Start (0 rpm to Drive
Read)
• Stop (at Power
Down)
Typical: 8 sec. Maximum: 15 sec.
Typical: 20 sec. Maximum: 30 sec.
Interface ATA-5
(Maximum Cable length: 0.46 m [18 inch])
Data Transfer Rate
• To/From Media
• To/From Host
22.7 to 38.6 MB/s
16.6 MB/s Max. (burst PIO mode4, burst
DMA mode2)
66.6 MB/s Max. (burst ultra DMA
mode4),
100.0 MB/s Max. (burst ultra DMA
mode5)
27.5 to 49.8 MB/s
16.6 MB/s Max. (burst PIO mode4, burst DMA mode2)
66.6 MB/s Max. (burst ultra DMA mode4),
100.0 MB/s Max. (burst ultra DMA mode5)
Data buffer 512 KB (option: 2,048 KB)
Physical Dimensions
(Height
×
Width
×
Depth)
26.1 mm max.
×
101.6 mm
×
146.0 mm
(1.03” max.
×
4.0”
×
5.75”)
Weight 600 g or less
*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.